[Elecraft] K3 QSK

[Ron NA9F]

Hi Bill,    

You are just like I am when it comes to RF and AF settings. I only worked to find why Toby was hearing the thumping and ran across this. With our settings we will never hear it but if someone runs the RF gain wide open they will. 

Ron NA9F
  ----- Original Message ----- 
  From: Bill W4ZV (via Nabble) 
  To: Ron NA9F 
  Sent: Thursday, June 25, 2009 10:09 AM
  Subject: Re: [Elecraft] K3 QSK




    Ron NA9F wrote:
    See if you can duplicate this: 

    80M or 40M 
    CW mode 
    QSK 
    AF GAIN ON HI or LOW 
    RF gain at about 3 o'clock to full open (clockwise). 
    AF gain knob at 3 o'clock or above. 
    Transmit either on air or TX Test mode. 

    You will hear the thumping sound? Now turn down AF gain unit it goes away. 
    Or you can turn down RF gain and all is well. 
  Is this a real problem or misadjustment?  I *NEVER* set AF gain higher than 12 o'clock...normally it's 9-10 o'clock (with CONFIG AF Gain LO for my headphones).  RF Gain is normally 1 o'clock to 12 o'clock, even with ATT ON for 160m at this noisy time of year (i.e. thunderstorm QRN). 

  I could probably make my rig do a lot of strange things if I misadjusted it...but why would I want to?   

  73,  Bill 





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