Hi Gary, Thanks for the response. Well I heard Opera signals here tonight on 501.80, 502.00 and 502.20. You may check the Delft websdr (I am using this websdr at the moment as my RX ant is not back u
Hi Minto, The signals are probably more local to you & why I have not seen them. The dial frequency for Opera should be set at 500.000kHz USB, the center audio tone is 1500 Hz & the maximum variation