QO-100 - QO-100

commercial beacon from EsHail2

I was lucky to see the 1st transponder test one day before xmas !

schematic diagram of my current QO-100 station

Converter from a LNC:
Jacks for horizontal, vertical, LO in (27MHz), signal out

You can see the top case of the LNC.

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

duo band feed by DC5GY
Octagon LNC + PCB

Feed exactly pointing to the center.

white cable: signal to RX
black N-cable: H-100 from 13cm TX
black RG-58: GPSDO 27MHz