Alpha Loop Antenna 100w

Input power is 100 watt (the limit of my transmitter). λ/2 at 21 MHz. Technical. Power: No arcing in tests up to 100 watts CW. Buy Loop Antenna and get the best deals at the lowest prices on eBay! NEW Design! 100 Watt 10-40M +20W 60/80M Magnetic Alpha Loop Antenna. According to Peter, "There are no hard to get parts or complex workshop skills required to build this antenna. We perfected the antenna system as a whole. 98 List List Price $12. 18511 CR 304 St. I’ve worked Peter, VE3SO many times. 50MHz antennas plans, homemade antennas for the six meters category is a curation of 185 web resources on , The M2 6M7JHV Antenna, Comparison of Commercial 6m Antennas, 50 MHz Coax Dipole. Vertical antennas are radiate in all directions around the antenna, unlike dipoles which are a bit directional. • For best results, the lengths of the 3 sides should be approximately equal • The resistive impedance is ~130 interface with 4:1 BALUN • 2:1 VSWR Bandwidth Covers whole band at 40M and up (~ 4 % of Freq). Finally my 20 mtr antenna problems are over! After years of struggling with Home Brew & store bought Antennas, Dipoles, Verticals , Delta Loops, Etc. This excellent article covers all aspects of designing a resonant loop antenna, examining gain and radiation patterns, and describing practical notes on how to build this antenna. Moron of the Month Award goes to WA0RCR The award this month goes to egotistical moron WA0RCR for his 12 hours of one-way Broadcast on 1860 during the biggest 160-meter contest of the year. In this case, I use the term "Tiny" because the antenna's diameter is about 1/30,000 the wavelength, and at 5. Basically, maximizing ERP is the secret; and less efficient magnetic loop antennas cannot handle 100 watts. The QRP magnetic loop antenna, designed specifically for ICOM transceivers by alpha antenna™, is build to compliment transceivers such as the IC-705. Add to cart. 0 0 items 0 items. 10-40M $450 The v6. In Stock View Product. Find many great new & used options and get the best deals for Icom Ex-627 HF Automatic Antenna Selector at the best online prices at eBay! item 9 LDG AT-100ProII 100W Ham Radio CB HF Automatic Antenna Tuner 8 - LDG AT-100ProII 100W Ham Radio CB HF Design 100 Watt 10-40m 20w 60/80m Magnetic Alpha Loop Antenna. Build a CB 11 metre 27 Mhz No Capacitor DDRR Antenna Quarter Wave Vertical Performance but LOW Noise (DIY in 30 minutes) Below is a shot of the original Mag wheel I had my 9 foot Whip on which is clamped to the iron roof and quarter wave whip now removed and the RG58 Coax fly lead PL259 is reconnected into the new CQDX11. The Stealth ST-940B Mobile HF NVIS Magnetic Loop Antenna has been developed to address the emerging need to reduce the visibility of vehicles fitted with traditional HF antenna systems. Base Antenna 146/446/1200 MHz Tri Band Vertical Fiberglass Base Antenna. From July 2017 on, all antennas with a loop diameter larger than 1. 4 inches - 10 kg. ML&S Martin Lynch & Sons, Staines, Surrey UK. BUSINESS DEVELOPMENT Contract Basic ORIENTAL PAINT CO. 100 watt 7 MHz magnetic loop antenna for units and apartments. com 10-40 Meter 100W Base Alpha Magnetic Loop + Remote $ 999. As the advent of 5G technologies takes hold, Alpha Wireless' goal is to enable the roll out of next-generation telecommunications networks, globally. In part one of this series, I covered the use of one brand of commercially available, small transmitting loop antennas, also known as ‘magnetic loops’. The AL-705 is a new, versatile portable magnetic loop antenna from Alpha Antenna. 1) The magnetic loop antenna is an RF transformer. Trova antenna loop magnetico in vendita tra una vasta selezione di su eBay. This transmit/receive antenna deploys in approximately 60 seconds. In this video, Peter (VK3YE) shows us how to make a 100 watt, 7 MHz magnetic loop antenna suitable for both home and portable operation. A A & A sold the same antennas to Her Majesty's Navy. About Kaeferlein AMA magnetic loop antennas The resource is currently listed in dxzone. Very short antennas will not work efficiently on the lower bands. The recent resurgence of interest in them is the result of their small size and relative noise immunity. All audio, video and data functions are fully digital and using the RAP-2150 (or equivalent) cable you can run up to 300 meters from the entrance panel to the furthest audio station. Portable HF Antennas, Magnetic Loop magloop. The AL-705 is a versatile new portable magnetic antenna designed and manufactured by Alpha Antenna. 10-80 Meter Alpha Loop antenna (100W 10-40M, 20W 40-80M) with Tripod $ 550. The main category is HF Magnetic Loop Antennas suppliers that is about HF Magnetic Loop Antennas suppliers. or Best Offer. 15 λ, installed 0. ANTENNA LOOP MAGNETICA DA 100W di Antonio Flammia – IU8CRI Figura 1 – Prototipo di antenna Loop magnetica con tubo da 16mm in multistrato di alluminio. FOR SALE! The Alpha Delta DX-A is an 160m, 80m and 40m 1/4 twin 183550950861. Loop Antenna 1 λon 15 m (approx. 925 GHz - 7. The parts are readily available and with a little planning and shop time you can have a Magnetic Loop antenna to play with. Its probably just OK for 5w or so. The AL-705 is a new, versatile portable magnetic loop antenna from Alpha Antenna. Full-Wave Loop Antenna Length Calculator. I'm visiting with Randy, K7AGE at Pacificon 2016 and we'll meet one of the guys who's going to decide who is going home with a free Elecraft KX2. Loop Antenna Fields. Stick is tuned with wire tuner and artificial ground counter poise. It is an effective antenna for short-wave listeners (SWL) and amateur radio enthusiasts (HAM) to receive medium-wave and short-wave in the limited living area of the city. 100 watt 7 MHz magnetic loop antenna for units and apartments. 0 that is from the Multiband tuner free line of systems, fits in an included 16 inch Field Bag. The reasons for this selection as the first antenna to be installed are that. 10-40 Meter Loop Add to Cart Learn More Reviews 10-40M PREMIUM. Alpha Antenna released such an antenna; the Alpha 6-160 Meter HF J-Pole Antenna. x Alpha Loop is a 10-40 Meter transmit/receive antenna, which handles 100W PEP SSB, 50W CW, or 25W for sporadic use of digital modes (10W for continuous use of digital modes). Restricted Item. Product Title EEEkit AM FM Loop Antenna 2 Pin Bare Wire Connector Average rating: 4. 26 - 30 Mhz. Magnetic Loop Antennas for The Radio Operator with Limited Space pt. The Deluxe PreciseLOOP® HG-1 is a high gain Magnetic Loop Antenna (MLA) for receive and transmit use. Many articles have been written describing the construction of these antennas, but they have been deficient in many respects. 2m are shipped with a support tube. This version of the Alpha Loop has been designed to enable micro-tuning between the top outer and inner loops. Product Overview The Alpha Loop Jr Antenna is designed to operate on the 10, 12, 15, 17, 20, 30, and 40 Meter amateur radio bands. Connect the coupling loop between a wire antenna and a crystal set for a wave trap. I have now had the opportunity to try out the antenna from locations throughout the UK, with some excellent results. Find helpful customer reviews and review ratings for 10-80 Meter (100W 10-40M, 20W 40-80) Magnetic Alpha Loop Antenna at Amazon. SKU: GP-98 Comet. Pages Liked by This Page. It does compact down to 10 x 11 x 25 inches for storage in the lower compartment of the optional LC-192 backpack. Loft and Attic antennas for restricted places. Hence the loop should be operated in an out of reach location. 00 shipped, can't get anymore, 218-393-1375 Bruce. This support tube varies in size and material (aluminium, steel) depending on the size of the antenna. It will accept up to 30 Watts (PEP) of transmitter power on SSB. CHAMELEON ANTENNA F-Loop 2. There are a few options of which one of the best is a Magnetic Loop antenna. After other Slinky-antenna experiments, my brass coil has 86 turns left. It is a quiet HF antenna that is untuned but it happens to be resonant in the 60 meter band. We have 1 Alpha Antenna Alpha Loop Sr manual available for free PDF download: User Manual. The loop is also much quieter than a…. This is more than what a lot of the other ones can deal with, at least in this price range. THE WALL OF SHAME. It exhibits 1. The BALUN also acts as a common mode choke to reduce RFI. After consulting many of the available Internet sources, and by combining ideas, I was able to assemble an antenna that performed well, even under poor band conditions. 1,190 Followers, 292 Following, 11 Posts - See Instagram photos and videos from abdou now online (@abdoualittlebit). The antenna is only 34 inches in diameter and has a built in tuner at the base of the antenna. Small Loop HF antennas, often called magnetic antennas, seem to be all the rage these days. Minimum order of 1 items Multiples of 1 only Please enter a valid quantity. Pre-Order View Product. So let's review its characteristics. 39 watching. The antenna with the optional "booster loop" allowing operation on 80 & 60 meters installed, with it's tripod and mast. I fully agree, $400-500 for a loop that might do 50w is insane. NEW Design! 100 Watt 10-40M Magnetic Alpha Loop Antenna. And Jeff was in Indiana. Normally a wire, one-quarter wavelength long. Funziona anche in una certa misura con RTL-SDR V3 in modalità di campionamento diretto se si abilita RTL AGC. # hamradio # hamr. About Alpha Antenna The resource is currently listed in dxzone. Fred replied with two recommendations-I include his comments in quotes: Alpha-Delta DX-SWL Sloper $129. 8K views · June 7, 2019 Pages Businesses Science, Technology & Engineering Information Technology Company Telecommunication Company Alpha Antenna Videos 10-40M 100W Base Loop setup video. TL;DR: "The antenna configurations tested are typical of a SOTA deployment, and the experimental results suggest that the Inverted V antenna is about 15 dB better performance than the P-Loop. Not only that, but in many areas you will also find networks like PBS, The CW, Comet, Buzzr, MeTV, and so many more. ef-40/20 40m/20m 40m: 150 [email protected]:1 20m: 500 [email protected] (Nichols 2014) describes the loop as 12. Jan 14, 2017 - This is a updated collection of easy projects for radioamateurs and swl's. In general, I’m not really fond of magnetic loop antennas, but Peter has made his work. This support tube varies in size and material (aluminium, steel) depending on the size of the antenna. RG-8 Length not critical. Bushcomm Horizon Multi-Band Loop Antennas are all aluminum magnetic-loop antennas that are designed for operation as tight-bandwidth transceive or as receive-only antennas. Send repairs by UPS or FEDEX to: Tarheel Antennas, Inc. The Alpha Loop is a 10-40 Meter transmit/receive magnetic loop antenna, which handles 100 Watts PEP SSB, 50 Watts CW, and 25 Watts Digital. Full-wave loop antennas can be large at lower frequencies, but they are quieter than dipoles and have more gain broadside to the plane of the loop. DX Engineering RF-PRO-1B Active Magnetic Loop Antennas are designed for low-noise reception of signals within the frequency range of 100-kHz to 30-MHz. Buy Loop Antenna and get the best deals at the lowest prices on eBay! NEW Design! 100 Watt 10-40M +20W 60/80M Magnetic Alpha Loop Antenna. RE-IMAGINED PORTABLE MULTI-BAND 10-80 METER ALPHA DX EMCOMM ANTENNA! Thank you for your pride and patience as your system is prepared. AM box loop antennas (by Bruce Carter) The box loop antenna is a (relatively) compact and effective way to receive distant AM stations. This transmit/receive antenna deploys in approximately 60 seconds. 6-80 meter J-Pole Jr 34 foot end fed. The DX improvement is a big advantage of a loop; low takeoff angle for DX and the full loop can be easily matched. I have started with mono loop single band delta loop antenna on 20 m band using a 4 mm2 copper insulated wire, and I was able to tune it to 14. Alpha Antenna 10-160M ProMaster Sr. Maximum power is 20 Watts CW. Choose the units of measurement, English or metric. There's a lot of other stuff up there--a chimney, Romex, Cat 6 cable, RG-6. Cytological map position - 92B1-92B2. The Icom AL-705 magnetic loop antenna from alpha antenna™ operates on the 40 meter to 10 meter amateur bands. It seems one of the best kept secrets in the amateur radio community is how well a small diminutive magnetic loop antenna can really perform in practice compared with large traditional HF antennas. The same signal, received by Marconi T antenna (11m high with 45m top) compared with the easyloop. In Stock View Product. A full wavelength loop antenna Read more. This is my second Mag Loop. Description The Alpha Loop in its 40-6m form is a magnetic loop antenna consisting of a single (Faraday) loop of LMR-400 low-loss coaxial cable. 3-200 MHz: MFJ-1024 Outdoor. This link is listed in our web site directory since Wednesday May 2 2007, and till today "Loop Antennas and Calculator" has been followed for a total of 14962 times. Notebook showing Small Magnetic Loop antenna results by cutting and testing method. The pictures show that it is close to circular and I will take it to be a circle of perimeter 2. • Our regular antennas work by "recieving" the electric field portion of the radio wave. Portable Alpha Loop (version 6. If the inductor has a circumference of much less than, say, 1/10 th of a wavelength, then the efficiency of the antenna will suffer. MFJ-57B - PVC CrossWire for Loop. com for Small Magnetic Transmitting MagLoop Antennas by Alpha Antenna. 5:1 / Rated wind velocity. A loop of 1m diameter has radiation impedance of about 0. Maximum power is 20 Watts CW. DO YOU SEE ANY ANTENNAS? 10-30m and 40m balcony antennas. Earlier, the presence of large HF Whip or auto tune vehicular antenna used to make vehicles an easy target But, the unique design of the ST-940B provides for a hidden, almost undetectable presence of en. This means that the end fed wire antenna, which has a very high impedance of around 2500 Ohm, is transformed to an impedance of 50 Ohm. The larger the loop diameter, the greater the efficiency. VHF Antennas; UHF Antennas; VHF/UHF Dual-Band; 900MHz (ISM) Log Periodic; Mobile Antennas. 98 List List Price $12. 22-30 MHz: Bonito: Boni-Whip Active Antenna. o remain safe on many levels from the significant power a 100 watt magnetic loop presents, there is no upgrade path that we have found for all Alpha Loop systems purchased before January 1, 2018. Variations on the Theme Part of the beauty of dipole antennas, like many other simple things, is their flexi- bility. The first poor performing height at about 66 feet lines up well with observation 1 above and the 65 foot antenna pattern. DX Engineering Amplified Shortwave 50KHz - 30MHz loop Antenna (RF-PRO-1B) DX Engineering Amplified Shortwave 50KHz - 30MHz loop Antenna (RF-PRO-1B) Brand: DX Engineering;. Explosion Smoke Loop. View the brochure for TS590SG View the manual for TS590SG View the manufactures page for TS590SG View the eham review page for TS590SG Be witness to the evolution of KENWOOD's pride and joy - the TS-590S HF. To summarize, they gave five star customer service to get a blind ham on 80-10 meters with an Alpha Loop. but knowing something has to be done, I decided to go ahead and publish this video, even though updates have been msde to the coaxial loop antenna series. 00 New---- Used; TRAM 1180 38 inch Antenna - Black. Life long hair direto da fábrica Máscaras Com 12 Baldes De R$299. "LIGHT & SMALL!. The main category is HF Magnetic Loop Antennas suppliers that is about HF Magnetic Loop Antennas suppliers. New 2018 Version with reduction drive, upgraded power limits, and fully waterproof. 10-40 Meter Coaxial Alpha Loop The 3+ foot high and wide Coaxial Alpha Loop Antenna is perfect for those operating Condo, SOTA, Beach, RADAR, or any place you need a High-Q directional HF antenna with low noise capabilities designed. In Stock View Product. How did we accomplish 100W power levels? We perfected the antenna system as a whole. This had 4 x 2 inch coils in each corner of the loop with 30 turns of 1mm wire and I stretched the loop all around the garden and even inside the attic to make the loop as big as I could. AlexLoop Walkham Premier Small Portable Magnetic Loop Antennas are lightweight, can be quickly assembled and are easily tuned to any frequency between 6. So in my case (for 80 mtrs), "small" would be a circumference of less than 8 mtrs, e. 10-40M 100W Magnetic Alpha Loop MagLoop antenna with Tripod $ 500. It is an effective antenna for short-wave listeners (SWL) and amateur radio enthusiasts (HAM) to receive medium-wave and short-wave in the limited living area of the city. The principle of the 7 MHz full-wave loop operation on 3. Vedi Dettagli. Synonyms -. In the first couple hours of having it up I was able to hear stations I could not hear before. Manual 1:2 BalUn 600 Watts for Delta-loop & Quad-loop antennas; Manual 1:9 UnUn 600 Watts for long-wire antennas; Manual Common mode choke; Manual 1:49 UnUn for End Fed antenna’s 100 Watt; Manual 1:49 UnUn for End Fed antenna’s 250 Watt; Manual 1:49 UnUn for Mini End Fed antenna; Technique. This WordPress. Mounted vertically, a magnetic loop is claimed to be directional, similar to a dipole. DX Engineering RF-PRO-1B Active Magnetic Loop Antennas are designed for low-noise reception of signals within the frequency range of 100-kHz to 30-MHz. This makes them more efficient than 1/4 wavelength monopole antennas. 3: Calculated. On the 40m band an SWR of 1:1 was easily achieved. How did we accomplish 100W power levels?. The antenna is 40 ft long and my attic is about 5ft high by 55 ft long. Formula for length of full wave loop The formula for a calculating the length of a full wave loop antenna is: Length (feet) = 1005/f MHz. 2018 power ratings for the magnetic Alpha Loop antenna for 10 - 40 Meters. Array Solutions manufactures RF power splitters and phasing systems for antennas and switching systems for antennas and radios and Baluns and Un-uns as well as transmission line transformers and two radio contesting switching devices. Small transmitting loop with a vacuum cap would handle 100w, be unobtrusive and a 1. 00; 2 Meter Break-a-way J. Life long hair direto da fábrica Máscaras Com 12 Baldes De R$299. DISCONTINUED Alpha Antenna 10-40M (100W) Alpha Loop. More EFFECTIVE & EFFICIENT than any other manufactured loop: At 100W PEP SSB, the Alpha Loop antenna enables it to be heard and be more Effective than any other manufactured portable magnetic loop antenna. If the inductor has a circumference of much less than, say, 1/10 th of a wavelength, then the efficiency of the antenna will suffer. antenna loop, Loop Antenna. The Vertical Delta Loop • A three sided loop is known as a Vertical Delta loop sitting on the ground. 6-80 meter J-Pole Jr 34 foot end fed. So, I ordered the 100 watt Alpha Base Loop with the Remote Control tuner. replacing the EH antenna with a 1m diameter magnetic loop, in the same operating conditions, I've received RST 57 (+1 point) and I've sent RST 59+10 (+10dB). FOR SALE! 233779744243 NEW Design! 100 Watt 10-40M Magnetic Alpha Loop. 15 λ, installed 0. 2m are shipped with a support tube. Moonraker is a Radio Communications Manufacturer and Supplier. Portable and Base 100 Watt 10-80 meter Magnetic Loop antennas from Alpha Antenna MagLoop are the best for effective and efficient EmComm disaster preparednes. Mobile Antennas. This Alpha Antenna features fast tuning and an optional reduction drive can be added from the above selections. It is noticeable that the first metre of the coax loop, at the opposite end to which the inner core is connected to the outer. Loft and Attic antennas for restricted places. Review of Pracomm SML-1000-1 Loop Antenna (#95). 80 meter loop is 1005/3. Mounted vertically, a magnetic loop is claimed to be directional, similar to a dipole. The Alpha Loop is a receive/transmit 20W magnetic loop (ML) antenna. Product Title EEEkit AM FM Loop Antenna 2 Pin Bare Wire Connector Average rating: 4. DIAMOND - BB-6WS (NEW MODEL) - SINGLE WIRE WIDE BAND ANTENNA operating from 3 to 30 MHz - 250W p. No ratings or reviews yet. 0 RPM unloaded shaft speed. 5 MHz may be conceptualized by comparison with the HO loop, or halo antenna—a half-wave open loop antenna popular on VHF frequencies. ANTENNA LOOP MAGNETICA DA 100W di Antonio Flammia – IU8CRI Figura 1 – Prototipo di antenna Loop magnetica con tubo da 16mm in multistrato di alluminio. Resources listed under 50 MHz antenna plans category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Bushcomm Horizon Multi-Band Loop Antennas LOOP-20 March 25, 2021 No comments Antenna, Loop, Magnetic, 20-10M, 125 W PEP, Each Magnetic- loop antennas have existed almost since radio began. We had 2 of this item in stock at the time of the last update. NVIS Antennas: Page 1. So our antenna wire is 211 feet and the 450 ohm stub is 32 feet long. Equivalent Circuit. 4 out of 5 stars, based on 9 reviews 9 ratings Current Price $8. com in 2 categories. The AL-705 is a new, versatile portable magnetic loop antenna from Alpha Antenna. alphaantenna. A Magnetic Loop Antenna is basically just a resonant circuit using an oversized inductor and an adjustable capacitor. The antenna is made with 2. A MATCHING PRINCIPLE The first approach was to make use of a principle described by the writer in Amateur Radio, December 1985. My Alpha Antenna Adventure I had an interesting adventure with Alpha Antenna, and I wanted to recount it here. More EFFECTIVE & EFFICIENT than any other manufactured loop, as the Alpha. So our antenna wire is 211 feet and the 450 ohm stub is 32 feet long. Product Overview The Alpha Loop Jr Antenna is designed to operate on the 10, 12, 15, 17, 20, 30, and 40 Meter amateur radio bands. x Alpha Loop is a 10-40 Meter transmit/receive antenna, which handles 100W PEP SSB, 50W CW, or 25W for sporadic use of digital modes (10W for continuous use of digital modes). On 30 May 2013, a JT65 contact was successfully completed over 5,745 miles distance with EA7AH in Huelva, Spain, on 10. This support tube varies in size and material (aluminium, steel) depending on the size of the antenna. AKA mag loop. Details about 100W 10-40M Magnetic Alpha Loop Antenna w/ 40-80M booster cable included See original listing. Design your own tuning capacitor for use with this antenna with the Capacitance Calculator (Capacitor Design) To use the calculator: 1. MFJ-57B - PVC CrossWire for Loop. 5:1 66′ 100w: ef-quad 40m/20m/15m/10m 40m: 330 [email protected] In this well-produced video, Peter Parker (VK3YE) shows us how to design, build, and use a 100 watt 7 MHz magnetic loop antenna for restricted places such as apartments or in areas where HOAs and CC&Rs are present. 7m / Weight:1. The multi band HF loop antenna, a good performer on 80 and 40-10 meters. The recent resurgence of interest in them is the result of their small size and relative noise immunity. The Alpha Loop uses a design that maximizes efficiency, which is what enables this antenna to handle 100 watts. Many articles have been written describing the construction of these antennas, but they have been deficient in many respects. Antenna: Steel whip Length 8 ft. 0 that is from the Multiband tuner free line of systems, fits in an included 16 inch Field Bag. 5:1 20m: 350 [email protected] The Alpha Loop offers you a light 10-40 Meter transmit/receive magnetic loop antenna that is quick to deploy. Maximum power is 20 Watts CW. How did we accomplish 100W power levels?. They are made with the finest Stainless Steel that will last! Not cheap aluminum that will dissolve in your soil! "it is so beautiful, I want to frame it and put it up on the wall - not in the dirt under my vertical. The Dipole vs Indoor Magnetic Loop Antenna. Alpha Wireless is a market-leading specialist in designing and manufacturing high performing, superior quality antenna solutions. 00 shipping. MLAs operate urprisingly well even located only one meter above ground. 5 watts on QRP as a full 100 watts. The smallest antenna described for 80 metres was a magnetic loop. The 3 foot diameter magnetic loop antenna tuned from 9. You will be heard! - More EFFICIENT than others on 12-40M when the included Booster Cable is used in place of the 10-40 meter default outer loop, as this boosts the circumference of the outer loop to 11'9", which provides the most skin effect. Loop Antennas for ham radio. Chameleon Cha Hybrid-Mini Antenna. Read honest and unbiased product reviews from our users. Note:- Loops A -E have sides approximately (~) 1/3 wavelength but overall circumference delta loop is the same as an equivalent quad on the same frequency, i. 2018 power ratings for the magnetic Alpha Loop antenna for 10 - 40 Meters. For example, a loop for the frequency of 3. 10-40M 100W Magnetic Alpha Loop MagLoop antenna with Tripod $ 500. alphaantenna. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipment. Very short antennas will not work efficiently on the lower bands. x) for coverage of 10-80 Meters handles 100 Watts PEP SSB on 10-40 Meters and 20W PEP SSB on 40/60/80 Meters when the included Booster Cable is installed. • The New Alpha Antenna Direct Feed Inner Loop. 0 0 items 0 items. It depends upon the values of diameter of helix, D and its turn spacing, S. Only 3 left. This is from the Wellbrook website: “USA and Canada price guide inc. So far received 56 votes for a total score of 6. Place it on your table beside a rig for base ops, in the passenger seat of your vehicle for the best mobile antenna ever, or use it in the field as a high impact. The 3+ foot high and wide Coaxial Alpha Loop Antenna is perfect for those operating Condo, SOTA, Beach, RADAR, or any place you need a High-Q directional HF antenna with low noise capabilities designed into the system. Again the. 40M HIGH POWER MAG LOOP TUNER INVESTIGATED – G8ODE This design was successful in that it easily operates at the 100-watt level. Antenna impedance – Theory and practice examples. : Radio Antennas - Amazon. Your first antenna very. Choisissez votre langue. Read honest and unbiased product reviews from our users. Find many great new & used options and get the best deals for Design 100 Watt 10-40m 20w 60/80m Magnetic Alpha Loop Antenna at the best online prices at eBay! Free delivery for many products!. Fiberglass mast bottom. View in Order History. Magnetic- loop antennas have existed almost since radio began. Stick is tuned with wire tuner and artificial ground counter poise. Because I want to handle the loop alone, I choose for a diameter of 2. Design 100 Watt 10-40m 20w 60/80m Magnetic Alpha Loop Antenna. This enables the Alpha Loop to be heard and be more Effective than any other manufactured loop, as other loops just can’t take the power that is often needed to break through on 10, 12, 15, 17, 20, 30, & 40 meters. The FT-DX10 is a shortwave transceiver with 100W transmit power and a hybrid SDR receiver. Bushcomm Horizon Multi-Band Loop Antennas LOOP-20 March 25, 2021 No comments Antenna, Loop, Magnetic, 20-10M, 125 W PEP, Each Magnetic- loop antennas have existed almost since radio began. This is the 10-40 meter Alpha Loop ultra-portable magnetic HF antenna. This antenna normally has about a 3 DB gain over a 1/2 wave center fed dipole. Amateur Antennas The Icom AL-705 magnetic loop antenna from alpha antenna™ operates on the 40 meter to 10 meter amateur bands. A full wave loop, compressed in dimensions has much less than 1 dBd gain. This item is currently in stock. Small transmitting loop with a vacuum cap would handle 100w, be unobtrusive and a 1. 9 out of 5 stars 21 $45. The directional quality improves signal to noise ratio of the desired signal while rejecting signals perpendicular to the plane of the windings. 2m are shipped with a support tube. So far received 2 votes for a total score of 10. FOR SALE! The Whizz Loop is ideal for QRP Transceivers when space is limited 122168063608. A very nice antenna, though it’s slightly pricy. Here is a great article on building your own 3 foot diameter loop from copper pipe that will fit in the attic of a single story home. RHF wrote: > What is the Best Direction to 'Point' a Sloper Antenna for DX ? > > Given an area where you could locate a Sloper Antenna > with a Tall Mounting Pole "Top-End-Feed-Point' and the. Kaito AN-100 Tunable Passive AM Radio Loop Antenna for All Brands Like Kaito,Sony,Panasonic,Grundig and More (100W 10-40M, 20W 40-80) Magnetic Alpha Loop Antenna. TL;DR: "The antenna configurations tested are typical of a SOTA deployment, and the experimental results suggest that the Inverted V antenna is about 15 dB better performance than the P-Loop. 6-30MHz F2260B Automatic Antenna Tuner Kit 100W 0. So, I ordered the 100 watt Alpha Base Loop with the Remote Control tuner. With 100W on 14 MHz the RF voltage across the capacitor should be 3500 V peak and the RF current in the loop 16. • Quasi-monostatic: the transmit and receive antennas are slightly separated but still appear to be at the same location as viewed from the target (e. Status QUAD: 2/4/5 StQ 7- 2 elements 40/30 - 4 elements 20/17/15 - 5 elements 12/10 The built-in SWR indicator makes the Alpha Loop so very easy to tune! Now you can suddenly hear everyone, and they can hear you! The RT-100 is a 100 watt coax in / coax out remote tuner designed to be. These switches have a low-loss micro-strip cavity design, positive detent switching, master antenna ground function, a front panel removable arc-plug surge protection module, and excellent HF through UHF performance. As part of a special agreement with Icom, the AL-705 is now an official partner product for our ground-breaking new radio, the IC-705. com site is the cat’s pajamas. Alpha HD-FMJ, Buddipole, or Mag Loop for HOA Community Discussion in ' Antennas, Feedlines, Towers & Rotors ' started by K4NYM , May 18, 2020. 1: Calculator results for a loop with a diameter of 1 m (3. 96Inch OLED Display ATU100 Unassembled. HF/50 MHZ 100 WATT ALL MODE TRANSCEIVER. You previously purchased this product. So instead of radiating your power like the Alpha Loop does, that power arcs across their capacitors plates. For those with no trees, little room, maybe a patch of grass, or a deck or a sliding glass door where you can erect an antenna and only temporarily, for the bands above 7 MHz, I’d suggest an antenna commonly called a “magnetic loop”. 5 m (≈ 8 ft) PVC electrical conduit with 16 mm (≈ 5/8 inch) outside diameter. The Alpha Loop is a 10-40 Meter transmit/receive antenna, which handles 100 Watts PEP SSB, 50 Watts CW, and 25 Watts Digital. Earlier, the presence of large HF Whip or auto tune vehicular antenna used to make vehicles an easy target But, the unique design of the ST-940B provides for a hidden, almost undetectable presence of en. Resources listed under Magnetic Loop Antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Cyberpunk Vision and Human Manipulation in Don DeLillo’s Point Omega Ruzbeh Babaee [email protected] The pictures show that it is close to circular and I will take it to be a circle of perimeter 2. x Alpha Loop is a 10-40 Meter transmit/receive antenna, which handles 100 Watts PEP SSB, 50 Watts CW, and 25 Watts Digital. DX Engineering RF-PRO-1B Active Magnetic Loop Antennas are designed for low-noise reception of signals within the frequency range of 100-kHz to 30-MHz. Pre-Order View Product. The first poor performing height at about 66 feet lines up well with observation 1 above and the 65 foot antenna pattern. Details about 100W 10-40M Magnetic Alpha Loop Antenna w/ 40-80M booster cable included See original listing. Our antennas work great in Mobile, Home and Portable settings. You previously purchased this product. x Alpha Loop is a 10-40 Meter transmit/receive antenna, which handles 100W PEP SSB, 50W CW, or 25W for sporadic use of digital modes (10W for continuous use of digital modes). Frequency = 1. In addition to having a lower angle of radiation than the horizontally polarized loop, they also reduce the local QRM (stations within about 500 miles) by a couple of S-Units. The exact shape of the loop is not particularly important. The Alpha Loop uses a design that maximizes efficiency, which is what enables this antenna to handle 100 watts. This Alpha Antenna features fast tuning and an optional reduction drive can be added from the above selections. The Deluxe PreciseLOOP® HG-1 is a high gain Magnetic Loop Antenna (MLA) for receive and transmit use. Their integral, extra-high dynamic range, low-noise preamplifier is designed for minimum intermodulation distortion in the presence of very high-level signals that wou. A BALUN is needed to isolate the antenna common mode current from the station. It does compact down to 10 x 11 x 25 inches for storage in the lower compartment of the optional LC-192 backpack. Loft and Attic antennas for restricted places. NEW Design! 100 Watt 10-40M Magnetic Alpha Loop Antenna. Product Overview The Alpha Loop Jr Antenna is designed to operate on the 10, 12, 15, 17, 20, 30, and 40 Meter amateur radio bands. Note: Antenna has been discontinued LF Engineering M-607 AM BC Active Loop. AKA mag loop. Now with Canvas 10x8x5 inch MOLLE field bag with shoulder strap. Alpha 9500s Amplifier. 80-6M 100W HF Ham Radio Antenna OCF Off-Center Fed Dipole - Free Shipping. When deployed, the Military 2. Alpha HD-FMJ, Buddipole, or Mag Loop for HOA Community Discussion in ' Antennas, Feedlines, Towers & Rotors ' started by K4NYM , May 18, 2020. Moonraker is a Radio Communications Manufacturer and Supplier. (The 6 foot loop would require a 44 inch long coupling loop). Art image in fog by XYL Ulla Turnstile antenna GND view. Vertically polarized loops work better for DX whenever the antenna must be mounted closer to the ground. In Stock View Product. 1 + j300 ohm for 14MHz. Manufacturers of High Quality Amateur Radio / Ham Radio HF Yagi, Transmitting and Receiving Antennas. Loop diameter is 2m (ca. A full wavelength loop antenna Read more. HF VHF/ to COM loop scanner. Sign In / Register. when tuning antenna. It was about 20F with sharp wind, and spitting snow; wind gusts were high. Create New Account. A quarter wave length of 75 ohm co-ax may be inserted in the feed line for a closer match if you desire. This is the 10-40 meter Alpha Loop ultra-portable magnetic HF antenna. Coupling loop construction. 5' N CONNECTOR. 00 out of 5 $ 9. For proper installation, feed the antenna wire through the strain relief holes on each side of the Delta-C Center Insulator, wrap it back on itself approximately 3-5 turns, then route the end of the antenna wire to the solder lug on each set of connection hardware. Sign In / Register. If the inductor circumference approaches ¼ of a wavelength or more then the antenna would more accurately be characterized as an electrical. The sloper's feed point is anchored high above ground near the top of the tower on which sits a grounded HF yagi beam antenna. Normally a wire, one-quarter wavelength long. The Alpha Loop offers you a light 10-40 Meter transmit/receive magnetic loop antenna that is quick to deploy. 80-6M 100W HF Ham Radio Antenna OCF Off-Center Fed Dipole - Free Shipping AG6IF Talented Balun for build HF Ham radio Sky Loop antenna, 160m 80m & 40-10. The AL-705 is a new, versatile portable magnetic loop antenna from Alpha Antenna. TUNING: Aside from "Don't touch that antenna while transmitting!" , here's what you need to know:. Page 3 of 3 < Prev 1 2 3. Small Loop HF antennas, often called magnetic antennas, seem to be all the rage these days. And it was at the alternate New River site where the loop antenna truly saved the activation. My Wonder Loop was an attempt to make such an antenna, but it was less portable than transportable (by car) and has seen more use as a spare antenna from inside the shack. This information packet contains installation information for both Models DX-A Twin Sloper (160, 80 and 40 meters) and DX-B Single Wire (160, 80, 40, 30 meters) sloper antennas. On 80, 60 and 40 meters the antenna operates in NVIS (Near Vertical Incident Skywave) mode. 最大出力は20Wに制限される。. For any specified coupling loop wire radius, only one specific combination of coupling loop diameter and separation from the main loop yielded the non-reactive 50 ohm impedance match. Much has been printed in QST over the years on loop antennas. TUNING: Aside from “Don’t touch that antenna while transmitting!” , here’s what you need to know:. In Stock View Product. For proper installation, feed the antenna wire through the strain relief holes on each side of the Delta-C Center Insulator, wrap it back on itself approximately 3-5 turns, then route the end of the antenna wire to the solder lug on each set of connection hardware. Sub-3 minute deployment of the 100W Alpha Loop Antenna MagLoop Small transmitting Magnetic. The same signal, received by Marconi T antenna (11m high with 45m top) compared with the easyloop. This had 4 x 2 inch coils in each corner of the loop with 30 turns of 1mm wire and I stretched the loop all around the garden and even inside the attic to make the loop as big as I could. Antenna types and rigs are samples from a customer request. Loop Antennas are considered to be "samall" when their diameter drops below about 1/10 of the wavelength they are intended to be used at. This is the lightest magnetic loop ever manufactured. Alpha Antenna MOTO-FMJ 6-40M Multiband HF Mobile Antenna. Find many great new & used options and get the best deals for Design 100 Watt 10-40m 20w 60/80m Magnetic Alpha Loop Antenna at the best online prices at eBay! Free delivery for many products!. As my mag loop projects progress, I’m learning a lot about building them and using them. I fully agree, $400-500 for a loop that might do 50w is insane. com The CHA-P-Loophttp://www. All audio, video and data functions are fully digital and using the RAP-2150 (or equivalent) cable you can run up to 300 meters from the entrance panel to the furthest audio station. Cytological map position - 92B1-92B2. Review of Pracomm SML-1000-1 Loop Antenna (#95). THE WALL OF SHAME. Download the Vertical Magnetic Loop Antenna NEC file. amateurs insist that an antenna will work best if it's installed during a howling bliz- zard, such an approach is a bit in- timidating for a newcomer. λ/2 at 21 MHz. Since loop antennas are not as commonplace as the "garden variety" of directional antennas, such as multi-element directive arrays for amateur radio and TV use, a few words regarding loop antenna operation may be in order for a better understanding of the constructional details to. 1) The magnetic loop antenna is an RF transformer. In free space, the loop with the highest gain, how­ ever, is the loop with the shape that encloses the largest area for a given circumference. A loop of 1m diameter has radiation impedance of about 0. Earlier, the presence of large HF Whip or auto tune vehicular antenna used to make vehicles an easy target But, the unique design of the ST-940B provides for a hidden, almost undetectable presence of en. His antenna is an MFJ1788 magnetic loop antenna mounted inside his garage. Note: Antenna has been discontinued LF Engineering M-607 AM BC Active Loop. The GB2™ system uses simple 2-conductor non-polarized wiring making it ideal for new installations as well as for retrofit applications. pdf PDF ALPHA RF SYSTEMS. Using the 66pacific. Base Antenna 146/446/1200 MHz Tri Band Vertical Fiberglass Base Antenna. It exhibits 1. On the 40m band an SWR of 1:1 was easily achieved. The smallest antenna described for 80 metres was a magnetic loop. Max Power Rating: 150/150/100 Watts SSB,. Resonant loop antennas have a circum­ ference of 1 λ. Chameleon Cha Hybrid-Mini Antenna. Alpha Delta Coax Switches have a precision-machined switch shaft and quadrant mechanism for more accurate and stable switching performance. I will be purchasing the Alpha mag loop antenna that can output 100 watts in the near future for use with my portable 100 watt radio. After consulting many of the available Internet sources, and by combining ideas, I was able to assemble an antenna that performed well, even under poor band conditions. NEW Design! 100 Watt 10-40M Magnetic Alpha Loop Antenna. It's not safe to transmit 100 watts with an Alpha Loop, period. This enables the Alpha Loop to be heard and be more Effective than any other manufactured loop, as other loops just can't take the power that is often needed to break through on 10, 12, 15, 17, 20, 30, & 40 meters. 4 inches - 10 kg. Diagram of a Small Loop Antenna. Alpha 4520A 5KW Wattmeter with 160M to 6M Coverage Our Wattmeters can measure from 200 milliwatts to 5 kilowatts, from 160 meters to 6 meters with no slugs. A singular antenna system that covers all of the bands has been sought after as the Holy Grail of antenna systems. Oh yeah how a. 96Inch OLED Display ATU100 Unassembled. It was an 82m long square loop, fed with home-brew openwire and matched with a home-brew symmetrical matchbox. Using the antenna’s tuner, your radio’s transmission line SWR can be continuously tuned to a match. 100 watt maximum power. The vertical antenna has many devoted supporters in the ham community who claim to get fantastic results, 2. It is made to use in conjunction with the SW-200 SWR/Watt Meter. Visit us on 124 Griffiths Ave Bankstown NSW 2200 - Monday to Sunday 10AM to 6pm. It also seems to work well on 17m when used with an antenna matchbox, but you MUST reduce power so as not to blow the balun. I suppose this old concept offers hope to folks in the ever tightening constraints of shrinking antenna space. EUR 90,00 + Versand. AlexLoop Walkham Premier Small Portable Magnetic Loop Antennas are lightweight, can be quickly assembled and are easily tuned to any frequency between 6. For proper installation, feed the antenna wire through the strain relief holes on each side of the Delta-C Center Insulator, wrap it back on itself approximately 3-5 turns, then route the end of the antenna wire to the solder lug on each set of connection hardware. These ranged from a stocky little set of vertical dipoles to a portable set-up-anywhere vertical to a small loop to. Placing radials in soil DEGRADEs effectiveness compared to elevated radials but in ground is more practical. OVERVIEW If you are wanting a 100% American sourced 10-80 meter antenna from a U. So our antenna wire is 211 feet and the 450 ohm stub is 32 feet long. 5 MHz to 7 MHz when the Booster Cable is installed. And how to make one! By Chris, G0DWV. That is hardly high performance, and the stub destroys harmonic resonances that are normally useful in loops. I estimate this was around 60m in circumference. July 9, 2015 Title 29 Labor Parts 1911 to 1925 Revised as of July 1, 2015 Containing a codification of documents of general applicability and future effect As of July 1, 2015. Alpha Antenna 10-40M (100W) Alpha Loop. Alpha Antenna 4. Alpha 9500s Amplifier. Max Power Rating: 150/150/100 Watts SSB,. This Alpha Antenna features fast tuning and an optional reduction drive can be added from the above selections. How did we accomplish 100W power levels? We perfected the antenna system as a whole. 8dB gain over a 1/2-wave dipole. July 9, 2015 Title 29 Labor Parts 1911 to 1925 Revised as of July 1, 2015 Containing a codification of documents of general applicability and future effect As of July 1, 2015. Assembling version 4 of the 100 watt 10-40 meter magnetic loop antenna (20 watts with 40-80 meter Booster Cable) from Alpha Antenna ® at www. Array Solutions manufactures RF power splitters and phasing systems for antennas and switching systems for antennas and radios and Baluns and Un-uns as well as transmission line transformers and two radio contesting switching devices. MFJ-57B - PVC CrossWire for Loop. 5 meter, aluminium tube of 50 mm and the 40m band and also one for 80 m. • For best results, the lengths of the 3 sides should be approximately equal • The resistive impedance is ~130 interface with 4:1 BALUN • 2:1 VSWR Bandwidth Covers whole band at 40M and up (~ 4 % of Freq). If you get a tuner from the MFJ 935 family, which is basically the "tuner" part of the STL, you can easily build a nice efficient loop yourself out of flexible copper tubing or similar and have an outfit that will run 100 W. 10-40M 100W Magnetic Alpha Loop MagLoop antenna with Tripod $ 500. This excellent article covers all aspects of designing a resonant loop antenna, examining gain and radiation patterns, and describing practical notes on how to build this antenna. MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier. Alpha Antenna released such an antenna; the Alpha 6-160 Meter HF J-Pole Antenna. Watch The Setup Video ~ CLICK HERE~. They work about the same as a mobile antenna. On 30 May 2013, a JT65 contact was successfully completed over 5,745 miles distance with EA7AH in Huelva, Spain, on 10. How did we accomplish 100W power levels? We perfected the antenna system as a whole. 10-80 Meter Alpha Loop antenna (100W 10-40M, 20W 40-80M) $ 500. Technical. It was an 82m long square loop, fed with home-brew openwire and matched with a home-brew symmetrical matchbox. Manual 1:2 BalUn 600 Watts for Delta-loop & Quad-loop antennas; Manual 1:9 UnUn 600 Watts for long-wire antennas; Manual Common mode choke; Manual 1:49 UnUn for End Fed antenna's 100 Watt; Manual 1:49 UnUn for End Fed antenna's 250 Watt; Manual 1:49 UnUn for Mini End Fed antenna; Technique. Base HF Antennas, Magnetic Loops, Systems Under R&D. 0 Directional tuner free Unlike any other antenna, the multiband Military 2. Sort Page: 1; 2; 3; Next ; 3. It has a built in tuner with a 6:1 reduction drive that allows you to easily match the antenna for transmit and receive from 7 MHz to 29. 6-80 meter J-Pole Jr 34 foot end fed. The RT-100 provides full- and semi-automatic antenna tuning across the entire HF spectrum plus 6 meters, at power levels up to 100 watts. One of the problems with a Magnetic Loop is that they are fairly expensive. Alpha HD-FMJ, Buddipole, or Mag Loop for HOA Community Discussion in ' Antennas, Feedlines, Towers & Rotors ' started by K4NYM , May 18, 2020. ANTENNA: I had only one antenna, a "Lazy Loop" made of wire, and hanging from the trees. This excellent article covers all aspects of designing a resonant loop antenna, examining gain and radiation patterns, and describing practical notes on how to build this antenna. AD7QQ Rating: 2021-01-13; Great antenna for portable use, easy to erect and tune Time Owned: more than 12 months. They also have a 100 watt loop tuner and several other loop tuners. The RT-100 provides full- and semi-automatic antenna tuning across the entire HF spectrum plus 6 meters, at power levels up to 100 watts. Sort Page: 1; 2; 3; Next ; 3. The Alpha 2000 dummy load is capable of dissipating four times the legal limit 6 kW for 2 minutes and legal limit 1500 watts key down, forever. regularly on 80-meter CW with a 100-watt transceiver. Design of a NEC Model for Small High Frequency Magnetic Loop Antennas by Dr. If you get a tuner from the MFJ 935 family, which is basically the "tuner" part of the STL, you can easily build a nice efficient loop yourself out of flexible copper tubing or similar and have an outfit that will run 100 W. Add to cart. 41 watchers. 2 Meter Loop; LDG AT-100ProII 100W Automatic Antenna Tuner $219. This is why it is critical that you prepare your radio for proper operation by adjusting your Mic Gain. Portable HF Antennas, Magnetic Loop magloop. The next generation in Design and manufacturing. 94 out of 5 $ 36. So, I ordered the 100 watt Alpha Base Loop with the Remote Control tuner. The E field antenna has more statics, and the loop is less sensitive under 1. It exhibits 1. On 80, 60 and 40 meters the antenna operates in NVIS (Near Vertical Incident Skywave) mode. , separate transmit and receive antennas on the same aircraft). Safety Tips. FOR SALE! The Alpha Delta DX-A is an 160m, 80m and 40m 1/4 twin 183550950861. The DX Vertical is our non-stealth OCF HF vertical dipole antenna. 30 Watts QRP, 80-10 Meters. User manuals PDF. AKA mag loop. Alpha 2000 Dummy Load. I have considered Buddipole, Buddistick, Super Antenna, and magnetic loops. alphaantenna. 2: approximate radiation pattern of a vertically oriented Small Transmitting Loop close to ground (circumference = 0. Highlights from the Logbook WB2OZA in New York in 1970-1976. This is the Alpha Base Magnetic Loop after the 100+ MPH winds I first saw the Alpha Loop antenna at a club meeting and was impressed by its’ small size and easy setup. Please note: Our 100 Watt antenna is a low power antenna and is not intended for operation on a standard 100 Watt transceiver unless you have a perfect 1:1 SWR (which is rare. Since loop antennas are not as commonplace as the "garden variety" of directional antennas, such as multi-element directive arrays for amateur radio and TV use, a few words regarding loop antenna operation may be in order for a better understanding of the constructional details to. The efficiency of such an antenna is very. Maybe I could use this loop to strain my spaghetti. 96Inch OLED Display ATU100 Unassembled. What is a Delta Loop • It's a Full wave loop in the shape of a triangle, with sides of 1/3 wave length (this is not critical but it's best to keep as equal as possible). Magnetic Loop Antennas on 3. This makes them more efficient than 1/4 wavelength monopole antennas. - Perfect for field operation. outside dimensions. Add to cart. There is a 20 KHz bandwidth on 20 meters. The antenna is only 34 inches in diameter and has a built in tuner at the base of the antenna. Peter says there are no hard to get parts or complex workshop skills needed to build this portable antenna. antenna loop, Loop Antenna. Read honest and unbiased product reviews from our users. It ensures that the SWR is always brought down to acceptable levels for my QRP transceiver. 39 watching. Ein Produktfokus liegt auf individuellen Lösungen für Rental-Unternehmen. We have 1 Alpha Antenna Alpha Loop Sr manual available for free PDF download: User Manual Alpha Antenna Alpha Loop Sr User Manual (11 pages). Antenna phasing makes a difference After waiting for the second Alpha Delta DX-SWL Sloper for two weeks and one dayit finally arrived. Buy It Now. Alphaantenna. Product Overview The Alpha Loop Jr Antenna is designed to operate on the 10, 12, 15, 17, 20, 30, and 40 Meter amateur radio bands. 569km!!!) using 10W from the TX,. The Alpha 4500A Series High Frequency RF Power Meter is a laboratory grade device capable of measuring and displaying Transmit Forward power, Reflected power, Delivered power, and SWR at. The antenna was in my drive way in front of the garage that you see here. These days it seems like everyone and their mother is attacking the very popular, small, lightweight, and extremely portable, magnetic loop antenna. Aufgrund ihrer Kompaktheit kann die Loop Antenne gut im - von ICOM optional erhältlichen Multifunktionsrucksack LC-192- verstaut werden. The multi band HF loop antenna, a good performer on 80 and 40-10 meters. Alpha Antenna 10-40 METER 100W BASE ALPHA LOOP Portable Antenna HAM RADIO. A singular antenna system that covers all of the bands has been sought after as the Holy Grail of antenna systems. 0 demonstrated that an indoor magnetic loop antenna was only around one to two S-units lower, on both transmit and receive, than an outdoor full size quarter wave vertical antenna. The antenna was erected in a 90 degree angle. Alpha 4520A 5KW Wattmeter with 160M to 6M Coverage Our Wattmeters can measure from 200 milliwatts to 5 kilowatts, from 160 meters to 6 meters with no slugs.