RSPDuo FM Issue

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  • December 14, 2022 at 7:47 pm #2149
    n5oao
    Participant

      Can someone send me some tip and tricks on how to deal with Gain/Attenuation with the RSPDuo when listening to FM? I am particularly having issues when using a large spectrum 2-10mhz. It either overloads or I don’t hear signals like I should, I can’t seem to find the sweet spot. I’ve also tried adjusting the IF AGC controls with no luck. Any help would be most appreciated. I don’t have this issue with the same antenna (Discone) with the AirSpy Discovery, but of course this SDR has a much smaller bandwidth. With the SDRDuo even in small bandwidths it doesn’t seem quite right listening to FMBC. Also, I don’t have this issue using the SDRDuo listening to AM or SW (different antenna).

      Thank you!

      -Hal

      October 25, 2023 at 5:12 pm #2252
      Gremlin
      Participant

        Hi,

        just tried out to copy your problem as i’m living about only 30km away from two very strong FM-transmitters.
        acutally i’m using a Skyscan 1300 as Antenna, but any short wire would do as the signal is VERY strong.
        samplerate is set to 10MHz, RF-Gain to minimum resulting in S9+50! IF-Gain set to Auto.
        absolutely no problems. setting RF-Gain over 50% results in ADC-Overload..

        Regards
        Ralf

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