[Elecraft] mods to K2

[Vic, K2VCO]

One BIG problem which I should have mentioned before is that while you 
might get away with it on CW, doing this would increase IMD for SSB or 
digital modes a great deal.

On 9/28/13 7:19 PM, drewko wrote:
> I was curious to determine what a 3 db increase in power output might
> mean in terms of total number of possible contacts. So I set up my K3
> to run WSPR on 20 meters for a while today:
>
> At regular intervals over the course of 9 hours the power output was
> toggled back and forth between 5 and 10 watts, logging some 2,000
> signal reports for the entire period.
>
> So, how much is a 3 db increase in power output worth? According to my
> WSPR log data, about 40% more contacts. (At that rate a 6 db increase
> would give nearly twice as many contacts. And a K3/100 should have
> about three times as many QSOs in it than a K3/10...)
>
> Anyhow, the original intention to mod the K2 might be justified. It's
> not an insignificant improvement, though it might be good to log a few
> thousand more reports to make sure.
>
> 73,
> Drew
> AF2Z
>
>
>
>
>
>
> On Fri, 27 Sep 2013 08:24:39 -0700, you wrote:
>
>> My first thought on the audio was to get some efficient earbuds. Lightweight and cheap.
>>
>> Over on the KX3 list, people like the Chill Pill powered speakers.
>>
>> I know it is a second box, but the Hardrock 50 amp has been getting good reviews. You would not need to get it out except in an emergency, so it could stay deep in the pack. See: http://www.hobbypcb.com/amateur-radio/amateur-radio/hardrock-50-hf-power-amp-kit.html
>>
>> I think there is a lot of evidence that 3dB does not matter. 10dB matters. 6dB might matter.
>>
>> wunder
>> Walter Underwood
>> K6WRU
>> CM87wj
>>
>
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-- 
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/