[Elecraft] K3 10M Birdie

[Ian White GM3SEK]

Mike Harris wrote:
>Hi,
>
>Anyone else seeing a birdie on 28004.9+/-?
>
>With no antenna, CW, 500Hz hardware filter, 50Hz DSP, I see DISP readings:
>
>-21dBV pre-amp OFF
>-1.4dBV pre-amp ON
>
>In either case the ATT makes only another -2dBV difference.
>
>It doesn't display on the S-meter but given many workable signals don't on
>10M it is relevent.
>

I don't hear a birdie on that frequency, but centred around there is a 
broad peak of rasping noise and transient carriers that only appear 
while rotating the VFO A knob.


-- 

73 from Ian GM3SEK