[Elecraft] KPA100 recommended max power for digital modes?

[Lynn W. Taylor, WB6UUT]

For PSK-31, you really want to run the minimal amount of power necessary.

Remember that the entire PSK-31 subband fits in your receiver filters -- 
you don't tune the VFO at all.

If you transmit a strong signal, and propagation is good, I'll be able 
to work you, but when my receiver AGC cuts in all the rest of the PSK-31 
stations on the band will go away.

If I happened to be working one of those other stations, my QSO is over.

As a rule of thumb, you don't want to exceed half the output power, 
unless the amp is rated for 100% key down.  Monitor the temperature.

50 watts is a lot of power on PSK-31.

73 -- Lynn

On 2/21/2014 7:43 PM, WA7SPY wrote:
> I just ordered a KPA100 with the auto tuner for my KX3. In anticipation of the arrival of the amp  I was looking at the operating manual online and did not see any recommended power setting for operating the amp with digital modes. I plan to use the amp for PSK31. What is the recommended max power setting for the amp using PSK31 with a KX3?
>
> Thanks,
> Glenn Maclean WA7SPY
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