[Elecraft] K3 power calibration problem

[Alan Bloom]

In case anyone is still interested, the problem turned out not to have
anything to do with firmware.  I replaced the wattmeter diodes and it
works fine now.

Al N1AL

On Thu, 2008-10-16 at 14:50, Alan Bloom wrote:
> I just installed the KRX3 and upgraded to the latest firmware (MCU 02.46
> & DSP 01.92, from 02.10/01.81).  Now the power calibration is way off. 
> Even adjusting CONFIG:WMTR LP and CONFIG:WMTR HP to the end of their
> range (180) I can't get the power low enough.  For example, setting 75
> watts gives about 100W output on an external wattmeter.  A 5W setting
> gives about 7W output.
> 
> I'm almost certain this problem did not exist before I upgraded. 
> Anybody have any ideas?
> 
> Al N1AL