>> ... had the width down to 50 hz then I hit the FIL button
>> to open things back up again and that's when it happened....
> 
> Things like this should *never* happen -- our apologies. Please send me 
> your firmware revision numbers (use CONFIG:FW REVS) and a list of all 
> the receiver settings you were using,

and in particular your AGC settings (SLP, THR) and if there was a loud 
signal, or loud high-pitched signal that was suddenly in the opened-up 
passband, and your NR settings in effect at the time.

Also, was the blast a loud burst of noise (like the gain was suddenlky 
turned up momentarily), or was it more like a shriek (a high pitched, 
perhaps unstable, tone)?

73,

Lyle KK7P

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