This is an antenna that author just built. Was intend for receiving the AO-27 downlink (at 436.800 +/- doppler). It is built with right hand circular polarization, and the gain is supposed to be in the neighborhood of 3 DB.
Hits: 3898 | Votes: 4 | Rating: 4.50
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The resource is currently on dxzone.com in 2 categories. Main category is
70cm that is about Antenna for 70 cm 432-440 MHz.
This link has been on our site since Friday Mar 2 2007, and it has been clicked on 3898 times. So far it received 4 votes for a total score of 4.50/10
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- Antennas/Quadrifilar Helix - QFH Antennas provides circular polarization and a near hemispherical coverage. A popular usage is for satellite reception.
- Antennas/70cm - Antenna for 70 cm 432-440 MHz
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Quadrifilar Helix antenna for 436 MHz
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