That sounds like overload caused by the AGC not reducing gain enough.
If you hear it again, turn on the attenuator and see if that removes the
crackling.
Carl Moreschi N4PY
121 Little Bell Dr.
Hays, NC 28635
www.n4py.com
On 3/27/2012 1:55 PM, Zivney, Terry wrote:
> Unfortunately, Barry, the lightning problems I had earlier in the weekend
> caused me to forget to restart the recorder!
>
> But, the 'sizzling" sounds sounded to my ear just like the 'crackling' sounds
> you and others noted in some of the V2 firmware in 2007.
> In the V3 firmware, it was not noticeable on the other bands, nor in the
> ARRL SSB contest a few weeks back - it just seemed bad Sunday afternoon,
> here on 15m on the main receiver.
>
> Terry N4TZ
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>
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