- 4 Square Vertical Phased Array
- Improve your 80 and 160 meter signal without a Yagi!
[ Hits: 16193 | Votes: 8 | Rating: 5.38 ]
- Active antenna for 10 to 200 Khz
- Tuned active receiving antenna for 10 to 200 KHz.
[ Hits: 3634 | Votes: 5 | Rating: 10 ]
- Active antenna project
- An active antenna amplifier schematic works from 1 to 30 Mhz
[ Hits: 2032 | Votes: 3 | Rating: 9 ]
- Active HF antenna
- An active HF receiving antenna circuit by G7BCJ
[ Hits: 3413 | Votes: 1 | Rating: 7 ]
- Active loop antenna
- A wide band active loop receiving antenna project by PA3GZK
[ Hits: 1062 | Votes: 3 | Rating: 10 ]
- Active magnetic Antenna
- DF9CY Active Magnetic Antenna project
[ Hits: 2083 | Votes: 1 | Rating: 7 ]
- Active receiving antennas
- An active antenna is sometimes used for receiving purposes in instances where a normal antenna would be impossible to accommodate in a physical sense.
[ Hits: 12015 | Votes: 5 | Rating: 6.4 ]
- AMRAD Active LF Antenna
- The AMRAD Active LF Antenna. You can tune into LF activity with this easy-tobuild and erect active antenna. As a bonus, you get MF and HF coverage, tooŚnot to mention world-class performance
[ Hits: 2213 | Votes: 0 | Rating: 0 ]
- Another Approach to Active Antennas
- Active antenna with a frequency response that is flat from 5kHz to over 30MHz
[ Hits: 3962 | Votes: 1 | Rating: 6 ]
- Mini Whip Antenna
- An Active antenna designed for VLF and shortwave radio reception. A small antenna capable of excellent performances on low bands, made on a copper plate and introductio to active antennas.
[ Hits: 2000 | Votes: 2 | Rating: 6.5 ]
- RA0SMS Mini-Whip Antenna
- An active antenna project based by on the original miniwhip antenna by PA0RDT, but implementing a low-noise MOSFET BF998 and an UHF transistor.
[ Hits: 589 | Votes: 4 | Rating: 9.25 ]
- The PA0RDT Mini-Whip
- An active receiving antenna for 10 KHz to 20 MHz, a very small sized antenna with excellent performances in noise to signal ratio.
[ Hits: 1175 | Votes: 6 | Rating: 7 ]