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Antennas : Beverage
  • Reversible RG6 Beverage Antenna - The author describes building a reversible Beverage antenna for low-band receive applications. He details the construction process, challenges faced, and initial performance testing. The antenna uses coaxial cable and transformers for switching direction. Overall, the author is pleased with the results and plans to build additional reversible Beverages.
    [ Hits: 21 | Votes: 0 | Rating: 0 ]
Antennas : VHF UHF
  • Small DuoBand Antenna - This small dual band UHF VHF directional antenna is good choice for portable operations. This antenna is composed by a moxon antenna for the two meters band and it includes two parastatic elements for 70 cm band.
    [ Hits: 197 | Votes: 1 | Rating: 2 ]
Technical Reference : Radio Direction Finding
  • JUNIOR-2 ARDF receiver - The JUNIOR-2 presented here is a competition direction finder receiver that is easy to build and tune, but has all the features of the "big" receivers. It is especially suitable for beginners, young people or youth groups who have so far refrained from purchasing a 2m direction finder receiver for financial reasons.
    [ Hits: 90 | Votes: 0 | Rating: 0 ]
Technical Reference : Raspberry Pi
  • Mini Satellite-Antenna Rotator Mk1 - This project is a portable device used to automatically point a directional antenna towards an orbiting satellite. It takes all the effort out of little kids holding the antenna and figuring out where to point it. It allows students to talk through Amateur Radio satellites or download weather satellite images. Note: This is a complex DIY project for the advanced kit constructor.
    [ Hits: 287 | Votes: 1 | Rating: 1 ]
Technical Reference : Test Equipment : RF Probe
  • A Simple Field Strength Meter - Mad your own simple FS meter. It is the simplest thing to make and is good enough to see if the antenna under test is radiating more power than your old ground plane, old mobile vertical or just radiating at all in a particular direction or in all directions.
    [ Hits: 160 | Votes: 0 | Rating: 0 ]

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