del city
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- Budget-Friendly 5-Element Quad Antenna Design
- Constructing a 5-element quad antenna, the author aimed for low cost and simplicity, resulting in an effective design with 11 dBi gain and SWR of 2:1 or better across the 2-meter band. Using wood and dowels, the antenna costs under $8 and takes less than two hours to build with basic tools.
The model predicts excellent performance, confirmed by ARRL Lab measurements. Practical field results demonstrate improved communication, even in simplex mode.
[ Hits: 64 | Votes: 0 | Rating: 0 ]
- A Compact and Stealthy Field Portable Antenna
- In the quest for an ideal field portable antenna, the author recounts experiments involving various wire configurations. While a previous candidate, a 41ft random wire, proved effective but lacked stealth, the search led to a surprising rediscovery of a design previously rejected—the Rybakov Antenna. With a focus on simplicity, rapid deployment, and multiband capability, the author explores the versatility of a 26ft Rybakov, avoiding the halfwave trap. The article delves into the antenna's performance and its potential as a discreet, resonant solution for field operations, addressing the challenges encountered during a POTA activation. Additionally, the Unun/Balun design used in conjunction with the Rybakov Antenna is discussed, providing insights into achieving a balanced system.
[ Hits: 149 | Votes: 1 | Rating: 1 ]
- Del City Amateur Radio Club
- Amateur Club using VoIP from Del City, Oklahoma
Del City Radio Club - W5DEL
[ Hits: 1159 | Votes: 1 | Rating: 10 ]
- PY2MOK Leo
- Repair services in Brasil, manutencao consertos de equipamentos de Radioamador, Yaesu, Kenwood, Delta, Collins, Drake.
[ Hits: 1204 | Votes: 2 | Rating: 5.5 ]
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