I was lucky to see theĀ 1st transponder test one day before xmas !
1st transponder...
schematic diagram of my current QO-100 station
QO-100 station ...
Converter from a LNC: Jacks for horizontal, vertical, LO in (27MHz), signal out
LNC converter b...
You can see the top case of the LNC.
LNC converter t...
still not finished ...
down left: AC in with filter down right: 12V 5A power supply with filter top left: SG Labs 13cm amp on a CPU cooler top right: BU-500 upconverter center left: 29db chip attenuator on a copper plate center right: DC upconverter 12V -> 28V
QO-100 in a box
duo band feed by DC5GY Octagon LNC + PCB
duofeed + LNC
Goobay LNC PCB
Feed exactly pointing to the center.
dish feed in ce...
dish from the s...
dish from the b...
white cable: signal to RX black N-cable: H-100 from 13cm TX black RG-58: GPSDO 27MHz