Signal comparison

VE7BBG

Pictures in left column showing how looks received signal with old fashion LNA, old N-relay and used no-name connector reductions. Also control voltage of relay was close value when relay was not properly switch to RX position. Measured Sun noise around 14dB. Pictures in right column showing how looks received signal with new VLNA-G4DDK design, new HP SMA relay and no using any connector reductions. Also control voltage of relay is coming now from new EME sequencer which is giving 15V-DC/5A. Measured Sun noise 19,8dB now.

PE1HNG

This is signal from PE1HNG. -23db This is signal from PE1HNG -17dB
Back to Main page