Re: K3 utility and calibrate RF gain

Posted by Dick Dievendorff on Aug 12, 2009; 11:07pm
URL: http://elecraft.85.s1.nabble.com/K3-utility-and-calibrate-RF-gain-tp3434334p3434514.html

See the firmware release notes. RF Gain calibration can prove S meter  
accuracy,

Dick

Sent from my iPhone

On Aug 12, 2009, at 3:19 PM, Dave G4AON <[hidden email]> wrote:

> I've just tried this with the new utility (and f/w 3.25). After  
> running
> the gain calibration and then calibrating SMTR OF and SMTR SC, the K3
> S-meter did give remarkably accurate readings.
> My K3 gives S9 = -73 dBm, S9+20 = -53 dBm, S9+40=-33 dBm and S9+60=-13
> dBm. Equally it is giving 6 dB per S point below S9 down to S3 at -109
> dBm. I only checked my K3 on 80m but it's darn good. Mine is  
> calibrated
> without the pre-amp in use and on CW.
>
> It needs clarifying that the gain calibration does not in itself
> calibrate the S-meter.
>
> 73 Dave, G4AON
> K3/100 #80
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html