[Elecraft] K2 Firmware change request

Vic Rosenthal vic at rakefet.com
Mon Aug 9 12:56:14 EDT 2004


Tom Hammond wrote:

> The resetting of power upon BAND change is a function of the ALC which 
> is NOT hardware-derived, but software-driven. When you change bands, and 
> the power level generally WILL change because each band has a little bit 
> different efficiency, hence different drive levels required for the same 
> requested power output, the ALC must measure the actual output against 
> the requested output and make a determination as the drive required. 
> This requires a number of RF cycles to accomplish, thus the need to hit 
> a few DITs.

I find myself switching to the dummy load after changing bands and 
sending a string (not a couple) of dits.  This is very annoying in a 
contest or when calling a DX station, but as you say it is inherent in 
the design of the K2 and it doesn't seem that there's anything that can 
be done about it.

On the other hand, Wayne has worked apparent miracles before, so maybe 
he can again!

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco




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