137 antenna

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Delta Loop DX Antenna for 40 meters band - PD9Z
A monoband delta loop antenna for the 7 MHz This vertically polarized DX Antenna is ...

[ Hits: 433 | Votes: 3 | Rating: 6.33 ]

Six Meter Yagi Beam - W3GAS
Article describing how to homebrew a yagi antenna for 50 MHz includes plans for a ...

[ Hits: 1039 | Votes: 3 | Rating: 4.33 ]

9 dB 70cm Collinear Antenna
Build A 9 dB UHF Collinear Antenna From Coax By N1HFX

[ Hits: 3741 | Votes: 26 | Rating: 6.68 ]

Portable Vertical Antenna for 40 and 75 - VE2AZX
Portable Vertical Antenna for 75m and 40m featuring Low radiation angle for DX easy to ...

[ Hits: 3939 | Votes: 7 | Rating: 7.14 ]

Building a Lindenblad Antenna for 137MHz - Siding Spring Observatory
Lindenblad Antenna project for 137 MHz with many detailed pictures

[ Hits: 2984 | Votes: 7 | Rating: 6.85 ]

137 MHz QHF Quadrifilar APT Antenna
This version of the 135MHz quadrifilar antenna for APT reception is an adaptation from Bill ...

[ Hits: 6764 | Votes: 34 | Rating: 4.95 ]
Helix Antenna for 137 MHz
A Quadrifilar Helix Antenna for 137 MHz By George Goodroe, KF4CPJ

[ Hits: 2174 | Votes: 6 | Rating: 4.5 ]
137MHz Quadrifilar Antenna - Borre Ludvigsen
This version of the 137MHz quadrifilar antenna for APT reception is an adaptation from Bill ...

[ Hits: 233 | Votes: 3 | Rating: 7 ]
Making a Quadri Filar Helix antenna - F4BPP
A homemade Quadri filar Helix Antenna project with detailed pictures that can inspire and guide ...

[ Hits: 208 | Votes: 0 | Rating: 0 ]
Making a Quadri Filar Helix antenna - F4BPP ^updated
Lot of pictures drawings and schematics to build your own QFH Quadri Filar Helix antenna ...

[ Hits: 461 | Votes: 7 | Rating: 3.43 ]

Homemade 137 MHz Weather Satellive V-dipole Antenna - lna4all
This is a short version the final of the article describing how to build the ...

[ Hits: 243 | Votes: 5 | Rating: 9.4 ]

137 kHz antenna preamplifier
A simple 137 kHz antenna preamplifier to make your FT 817 and others useable on ...

[ Hits: 1184 | Votes: 3 | Rating: 6.67 ]