bi directional

32 links

Big Wheel Antenna for VHF - IZ0UPS
An omnidirectional horizontal polarization antenna for 2 meters band in Italian

[ Hits: 191 | Votes: 2 | Rating: 7.5 ]
VHF Bi-Square Beam Antenna - KG4ZNC
2 Wavelength 2 Meter Bi Square Beam 5dbd gain This antennas are very cheeap to ...

[ Hits: 188 | Votes: 2 | Rating: 9 ]
Two elements Telescopic Yagi for 2 Meters - VK1AD
A lightweight PVC hand held telescopic 2 element 2m 145 MHz yagi using two pairs ...

[ Hits: 162 | Votes: 0 | Rating: 0 ]

Six Meter Quad Turnstile Antenna - VK3DIP
Simple 6 Metre DX Antenna based on an article by LB Cebick in QST May ...

[ Hits: 702 | Votes: 2 | Rating: 9.5 ]

50MHz / 6m J-pole Antenna by VK4ADC - VK4ADC
The J Pole is an easy to build and inexpensive device that provides an omni ...

[ Hits: 443 | Votes: 4 | Rating: 6 ]

Magnetic Loop for the 2m band - dl1gsj
Such kind of omnidirectional antenna gives the possibility to be QRV with horizontal polarisation as ...

[ Hits: 575 | Votes: 1 | Rating: 10 ]

Enhancing Performance with W8JK/MOXON Antenna Variant - F5NPV
F5NPV introduces a variant of the W8JK antenna design employing the MOXON principle With extended ...

[ Hits: 185 | Votes: 0 | Rating: 0 ]

Lazy H Array Antenna for 40 meter - NA4L
Make them simple then Make them work The LAZY H antenna is a general type ...

[ Hits: 286 | Votes: 3 | Rating: 5.33 ]

JaRec - Java Radio Remote Control Software - YO3GGX
JaRec is a multi platform Java application which can be used to control your own ...

[ Hits: 1800 | Votes: 12 | Rating: 7.31 ]

Mini Satellite-Antenna Rotator Mk1 - sarcnet
This project is a portable device used to automatically point a directional antenna towards an ...

[ Hits: 552 | Votes: 0 | Rating: 0 ]

Mini Satellite-Antenna Rotator Mk1 - sarcnet
This project is a portable device used to automatically point a directional antenna towards an ...

[ Hits: 289 | Votes: 1 | Rating: 1 ]

Remote Power and SWR Meter Project - DK1MI
Remotely monitor the output power and SWR of your station via a web browser WT32 ...

[ Hits: 103 | Votes: 0 | Rating: 0 ]