[Elecraft] P3 level accuracy

[Geoffrey Downs]

Dear Stephen,

My XG2 at 50 microvolts output nominal also shows near enough -78dbm on the 
P3. At 1 microvolt output it's about -112 dbm. The battery isn't new but 
doesn't get a lot of use. All after due recalibration procedures.

73 to all

Geoff
G3UCK

----- Original Message ----- 
From: "Stephen Prior" <sjp at sjprior.fsnet.co.uk>
To: "elecraft" <elecraft at mailman.qth.net>
Sent: Saturday, September 25, 2010 4:50 PM
Subject: [Elecraft] P3 level accuracy


>I have just run the RF gain calibration on the K3 via the utility (and
> calibrated the S meter too) using my XG-2 on 40m.  Default values of the S
> meter give S9 as it should with 50uV from the XG-2.  However, the P3 shows 
> a
> level of -78dBm which seems to be outside the P3's published spec of +/-
> 3dB.  A calibration routine for the P3 utility has been mooted for the
> future, but I am wondering whether it's normal for the level to be so far
> out.
>
> I'd be interested in what other XG-2 and P3 owners find.  The XG-2 is
> running on a new lithium button cell.
>
> 73 Stephen G4SJP