[Elecraft] P3 level accuracy

[Stephen Prior]

Hi Geoff

I've had several replies, all report the XG-2's -73dBm level to be between
about -78dBm and -80dBm on the P3, so it's at least consistent, and will, no
doubt receive Elecraft's attention in due course!

73 Stephen


On 27/09/2010 19:18, "Geoffrey Downs" <geoffreywd at madasafish.com> wrote:

> 
> 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
> 
>