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The mission of this Association is to foster and promote the hobby of Amateur Radio, to provide repeater systems for the Amateur Radio community, to provide public service and emergency communications when needed, to provide education for licensing, and to provide a forum for members to meet and exchange information, share experiences, and socialize with one another.
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CG Antenna is a HF radio communication solution manufactory based in China produce automatic antenna tuners, and digital radio interfaces.
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From 1973 we work in the communication system on HF, VHF, UHF, SHF for P.M.R., OM and broadcasting.
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Demonstrating the construction of a short dipole antenna tailored for the 60 meter band, this resource provides detailed instructions for radio enthusiasts with limited space. The design incorporates inductive loading using two inductors (L1/L2) made from PVC tubes, allowing for effective operation on 5 MHz. The antenna consists of 12 meters of wire, divided into four sections, with specific dimensions and materials outlined for optimal performance. Results from users indicate that this antenna can significantly enhance DXing capabilities on the 60 meter band. Feedback from operators suggests that while the design is effective, adjustments may be necessary based on individual setups, such as coil diameter and wire gauge. Many users report successful construction and operation, with some experimenting with variations to improve resonance. The practical application of this antenna design has led to successful contacts and improved signal quality, making it a popular choice among 60 meter band operators.
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Promoting Amateur Radio in Kitsap County Washington
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Eham users Kenwood TS-50 review
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SFHRC - San Francisco Ham Radio Club, formed December 1,1998, to conduct activities to advance the general interest and welfare of Ham Radio in San Francisco and neighboring communities of the Bay Area.
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ScanBC is British Columbia's online radio scanning community
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Balanced feed with coaxial line by John F. Clemens W9ERN
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A noncommercial site operated by Max Robinson and dedicated to passing on and preserving knowledge of vacuum tube circuits and techniques.
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Getting the most out of LowFER transmitting antennas, designing an efficient antenna for the 1750-meter band by K0LR
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Illinois Cook County, police scanner includes Chicago Fire Dispatch channels (North, South, and HazMat)
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This antenna can gets you on the air on 14MHz, and it has a useable frequency range. The VSWR is almost perfect at the centre-frequency abd the design uses no expensive components.
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Comparison of FT-1000D FT-736R FT-817 FT-847 FT-897 IC-765 Orion TS-2000 Spectral purity of a continous carrier, of a SSB and CW signals
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This manual is an edited version of the GAP supplied document, complete with diagrams, pictures and assembling notes by Mitch Baum AE2A. This is 29 pages document in PDF Format.
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Broadcasts national and international programs locally and to all world regions in over 30 languages on mediumwave FM, TV, RealAudio/TV and on shortwave.
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Practival project that contains two isolation transformers, one for AF from the tranciever to the line in on a soundcard, and one from the audio out of the soundcard back to the mic / data input of the radio. Both of which are variable inside the interface via two preset resistors.
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The **Solarcon A99** vertical antenna, a half-wave over a quarter-wave variable mutual inductance design, primarily serves the 11-meter CB band but also finds use on 10 and 12 meters for amateur radio operators. Its simple construction, consisting of three fiberglass sections and a 16 AWG radiating element, makes it an accessible option for new operators or those seeking an easy-to-install base station antenna without complex mounting requirements. Despite claims of 9.9 dBi gain being widely considered exaggerated, and a manufacturer rating of 2000 watts power handling often viewed with skepticism (with 300 watts suggested as a practical limit), the A99 maintains popularity due to its low cost and ease of deployment. It typically tunes to a 1.2-1.3 SWR out of the box, requiring minimal adjustment via its two tuning rings. Its high angle of radiation allows for effective local communication even when mounted at low heights, such as 8-10 feet off the ground. However, the A99 is known for significant RF bleed-over issues, particularly when operated with higher power or mounted close to residential electronics. While its internal design is often described as cheap, the antenna exhibits remarkable durability, frequently lasting a decade or more in various weather conditions. Its affordability and straightforward setup continue to make it a go-to choice for many radio enthusiasts.
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UK Repeaters is an iPhone app that shows all UK Based repeaters on a map. Each repeater information is shown to allow easy access and programming of your radio
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5 Element Yagi with Conventional Driver, this little Yagi has a high F/B, which makes it quite useful as a contest stack.
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Experimenting vertical wire antennas for 40 and 20 meters supported by balloons resulting in excellent gain in RX and good overall performance against horizontal dipole
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Homebrewing a Gamma Match to tune yagi antennas
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Amateur Radio Club in Edinburgh. Founded in 1949 with twice monthly meetings and a range of activites including talks, DF hunts, vists and contesting.
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an homemade ultra lightweight Morse code keyer paddle that can be used as a manual straight key
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CAT and Digital modes interface for the Yaesu FT-817
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Monthly Amateur radio DX Peditions and Contest calendar at HamRadioWeb
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Organization created to provide support to IOTA expeditions
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Meets 1st Wednesday monthly Sept. thru June. 100+ members, repeater W1WQM 145.150 / PL 127.3
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Cutting out the noise using a simple coax filter to improve the poor front end filtering
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Personal site of Russian DXer Dmitri Mezin. Contains a fresh edition of his Signal bulletin, archive of all previous issues and QSL gallery.
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"KC2DVQ ""CB Os Piratas"""
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Dipoles at the correct height are not only stealthy antennas, they work great
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eham users review of the Kenwood TS-570D or TS-570G HF Transceivers