VHF A1 contest 2017, Listany near Plzen, call OK7O

Operators: OK1DOL, OK1DWQ, OK1FWM, OK1DX. Result 500 QSOs.

Libor OK1DOL on air.
Ops

Antenna switching, preamplifiers
peperony

HF and VHF antenna system
OK1FJW