0.1MHz to 2MHz recieving | connect antenna to HF ANT. slide switch to DIRECT and HF. tune RF gain 2 |
HDSDR direct sampling set Q channel |
2Mhz to 30MHz recieving | connect antenna to HF ANT. slide switch to UP and HF tune RF gain 1 |
HDSDR set disable +50MHz for target frequency |
over 50MHz | over
50MHz connect antenna to VHF ANT slide switch to VHF
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