am antenna1295 links - and 9 categories
Antennas : 2M
- QM5 Yagi for 2 meters band
- The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
[ Hits: 6708 | Votes: 4 | Rating: 5.25 ]
- QM7 7 elements 144 MHz Yagi-Uda Antenna
- The QM7 antenna is a simple 7 elements Yagi with 3.70 m boom length for the lower 144 MHz SSB/MGM band, used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 11.35 dBd; i.e. 13.5 dB forward gain over the isotropic radiator, while the F/R is about 12.5 dB
[ Hits: 5299 | Votes: 15 | Rating: 5.27 ]
- Collection of Beverage Antenna Information
- KB1GW's collection of beverage antenna information
[ Hits: 2510 | Votes: 1 | Rating: 5 ]
- The Beverage Antenna Memorandum
- Memorandum on the Beverage Wave Antenna for Reception of Frequencies in the 550 - 1500 Kilocycle Band", FCC Report 9.2.1, by Benjamin Wolf and Adolph Andersen
[ Hits: 1187 | Votes: 0 | Rating: 0 ]
- Comparison of Beverage antenna
- A ranking of receiving antennas based on noise being evenly distributed in all directions. These rankings are most accurate in the frequency range of AM broadcast, 160 or 80 meter bands
[ Hits: 2791 | Votes: 2 | Rating: 6.5 ]
- Quad loop antenna for 10 meters
- A 27-28 Mhz quad loop antenna by Bernard Mourot F6BCU in french
[ Hits: 1273 | Votes: 4 | Rating: 2 ]
- A Magnetic Loop Antenna for Shortwave Listening (SWL) by KR1ST
- A well documented plan to build a magnetic loop antenna for Shortwave Listening, includes photos and diagrams.
[ Hits: 20074 | Votes: 22 | Rating: 8.37 ]
- How to Use an Antenna Tuner
- Get maximum power to your antenna by learning how to hook up and use a tunner to properly "trick" your rig
[ Hits: 12255 | Votes: 10 | Rating: 6.5 ]
- Tri-County Amateur Radio Club VA3TRI
- Website for radio Amateurs in the Hastings, Peterborough, and
Northumberland Counties of East Central Ontario, Canada. Propagation information as well as
antenna designs and home brew projects and Club News. Many links to Amateur Radio information
[ Hits: 848 | Votes: 2 | Rating: 10 ]
- TX RX Systems Inc
- TX RX Systems Inc. manufactures signal boosters, rf antennas, transmitter combiners, cell enhancers, land mobile radios, duplexers, receiver multicouplers, bidirectional amplifiers, bda, rf amplifiers, rf filters, rf cavity filters, rf combiners, rf components, in building rf coverage, repeaters, repeater amplifiers, rf management equipment, rf systems, and rf solutions. TX RX Delivers Reliable Solutions.
[ Hits: 1562 | Votes: 5 | Rating: 4 ]
- EZMaster by HamRadioSolutions
- EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity.
Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .
[ Hits: 2015 | Votes: 4 | Rating: 4.25 ]
- C.A.T.S, Rotor Doc
- Manufacture CATS antenna rotator and digital controls. Service, stock, and provide parts for top quality AMERICAN-MADE antenna rotators from companies such as Alliance, C.A.T.S., CDE/Hy-Gain, and Channel Master, both young and old.
[ Hits: 7362 | Votes: 17 | Rating: 6.47 ]
- Digital Smart Antennas DiSA
- Digital Smart antenna (DiSA) Automatically Adjusts over a wide band of frequencies.
[ Hits: 861 | Votes: 2 | Rating: 5.5 ]
- The reflected W beam
- Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.
[ Hits: 2709 | Votes: 3 | Rating: 8.67 ]
- Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.
[ Hits: 2131 | Votes: 0 | Rating: 0 ]
- Norm's Rotor Service
- Norm's Rotor Service specializes in sales, service and parts for ham radio antenna rotators, antenna rotator, antenna rotors
[ Hits: 1398 | Votes: 4 | Rating: 6.25 ]
- Batteries and gadgets
- Your source for weather radios, communication headsets, 14 channel radios, M&M groovy radios, smithsonian crystal radio and weather station kits, line restrictors, antennas,ham radio accessories, and battery products.
[ Hits: 1317 | Votes: 2 | Rating: 5.5 ]
- eBay Store - ON Antennas J Pole
- Buy ham amateur radio, antenna, j pole items from ON ANTENNAS J POLE eBay Store. We sell ham amateur radio, stealth wire, 2 meter, vertical items on eBay.
[ Hits: 856 | Votes: 1 | Rating: 6 ]
- Mizuho products
- Mizuho Tsushin Co. was a small Japanese manufacturer of QRP radios and kits, shortwave receiver accessories, and AM broadcast band receiver kits and antennas
[ Hits: 3153 | Votes: 1 | Rating: 10 ]
- Antenna Noise and Signal Cancelling at LF
- By using the signals from two antennas, controlling their relative amplitudes and controlling the phase of one of them, unwanted signal or unwanted noise can be phased out. Circuitry is described which uses the signal from a wire antenna to provide selective cancelling against the signal output from an LF loop antenna.
[ Hits: 7716 | Votes: 5 | Rating: 4 ]
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