Re: KPA500 (another view)
Posted by
David Gilbert on
Jan 17, 2012; 11:52pm
URL: http://elecraft.85.s1.nabble.com/KPA500-another-view-tp7198413p7198518.html
A power ratio of 3 (1500 watts versus 500 watts) is just under 5 db.
Check out these audio files (CW, though ... not SSB) I generated to see
what kind of impact that can have for readability of signals near the
noise threshold.
http://www.ab7e.com/weak_signal/mdd.html73,
Dave AB7E
On 1/17/2012 4:12 PM, Brian Alsop wrote:
> It's been stated here that the difference between 1500W and 500W is
> mostly unimportant. Most views are going from about 100 w to 500 W.
>
> Here is another view based up the past 15 days of operation with a
> KPA-500. The previously 1500 watts was used with identical antennas.
>
> I chase DX and specifically the DX Marathon award where you try to work
> as many countries as possible each year. Yes I can still work stations
> but the net effect is:
>
> 1) You won't work everything you used to
> 2) It takes longer to work them
> 3) SSB pileup cracking is more difficult
> 4) RTTY pileups are more difficult still.
>
> Frustration.
>
> It hasn't been a complete wash. I've managed 174 countries/40 zones
> with the KPA-500 BUT GETTING THERE WAS A LOT MORE DIFFICULT than Jan. 2011.
>
> The above isn't unexpected.
>
> Bring on a KPA-1000.
>
> 73 de Brian/K3KO
>
>
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