2m satellite6 links
- Helix antenna for 2 meters
- Plan of a helix antenna for 2 meter satellite use by VK5ZAI
[ Hits: 27252 | Votes: 20 | Rating: 6.26 ]
- A Portable Antenna for Satellites
- A portable antenna for mode B and J satellites
[ Hits: 10566 | Votes: 5 | Rating: 4.20 ]
- Dual Band Satellite Yagi
- The antenna is a VHF side is a 2m moxon, tuned on 145.825 MHz. The driven element of the moxon couples to a driven element for a 5 element 70cms Yagi, tuned on 436.5 MHz.
[ Hits: 325 | Votes: 0 | Rating: 0.00 ]
- Compact and effective 2m 70cm antenna
- Antenna was designed for SO-50 satellite operation but can be used for any VHF/UHF activity.
It's a mix of a Moxon Antenna and a Yagi antenna.
It has gains 4 dBd on 2m and 6.5 dBd on 70cm bands and it is fed via single 50 Ohm cable.
[ Hits: 2015 | Votes: 1 | Rating: 10.00 ]
- Mode J Desense Filter
- This type of filter can be used in a Mode J satellite station (uplink on 2m, downlink on 70cm) to reduce the problem of the uplink signal desensing the receiver
[ Hits: 1024 | Votes: 2 | Rating: 5.00 ]
- 2m Band VHF antenna pre-amplifier
- Homebrew pre-amp for 144-146 MHz amateur band and OSCAR Satellites, using BF981
Dual-gate MosFet. Gain ~15 dB, NF=1dB.
[ Hits: 11710 | Votes: 94 | Rating: 8.59 ]
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