[Elecraft] P3 deaf ??

[Matt Zilmer]

Try a different BNC-BNC cable?

matt W6NIA

On Fri, 28 Jan 2011 18:58:18 +0000, you wrote:

>OK update,
>
>Now tried the P3 on a second K3 which has the IF output mod done and I'm
>getting the same effect, it needs a good strong signal before any trace of a
>signal on the P3
>
>S9+20 signals are shown at about S6
>
>Anything below about S6 is not visible on the P3.
>
>Any ideas before the seller has it back!
>
>Jim M0CKE
>
>-----Original Message----- 
>From: Jim Balls
>Sent: Friday, January 28, 2011 4:33 AM
>To: elecraft at mailman.qth.net
>Subject: [Elecraft] P3 deaf ??
>
>Hi all,
>
>Used the P3 for the first time last weekend during the BARTG RTTY contest.
>
>I did notice that all signal levels shown by the P3 were very low, for 
>instance with a noise level of around s3 on the K3  and a RTTY signal in the 
>clear at S5-6 there was no trace on the P3 on either the waterfall or scope. 
>Signals that are peaking S9 +20 on the radio with no preamp are 
>around –91dbm (S6) on the P3.
>
>I’ve checked cables etc and K3 had the IF output mod done.
>
>Any ideas as I see people saying you can see signals on the waterfall 
>sometimes before you can hear them, not so the case here.
>
>Thanks
>
>Jim
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