I would say that your noise blanker is no working correctly,
if at all. The noise blanker on the 990 is by far the best
I have ever seen. I have all kinds of pulse noise, and it takes
it right out.
Mike
WA5CMI
KB0VCC wrote:
>
> Hi everyone,
>
> Anyone know what purpose the NB on the FT-990 serves?
> I know, the manual says it reduces "pulse noise". Ok,
> entering from where? The front end? DC input? I have
> LOTS of "pulse noise" in the air at my QTH. My NB
> appears to do nada to correct the problem. There is
> absolutely NO difference with it on or off, nor does
> the level make any difference. The manual warns that
> adjusting the level too high could distort SSB reception.
> Well, mine doesn't even do that. Could this mean the NB
> isn't working? Just what type of "pulse noise" is this
> circuit supposed to reduce?
>
> Tnx es 73
> -Dale
>
> =========================================================
> Dale Anderson, KB0VCC Fort Collins, Colorado
> QRP-L #91 / CQC #251 Grid Sq: DN70LM
> =========================================================
>
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