[CQ-Contest] Handicap For Dirty Rigs

[Radio K0HB]

You only moved the "problem" by selling those awful radios.  If you were seriously concerned you would have destroyed them. :-)






73, de Hans, K0HB
"Just a Boy and his Radio"
           7⃣3⃣

On Sun, Oct 12, 2014 at 2:47 PM, Jim Brown <k9yc at audiosystemsgroup.com>
wrote:

> In my study of the TX Noise produced by current transceivers, I noted 
> the significant advantage enjoyed by users of dirty rigs by pushing 
> other stations away from their TX frequency, and making it difficult (or 
> impossible) for stations to S&P near them. Consider the lineup of 
> hundreds of NA stations in the 15 kHz 160M JA window, and comparable 
> conditions from east coast to EU. One FTDX5000D burns five K3 channels; 
> one ICOM 7800,7700, 7600, burns three. I run a K3 and a Ten Tec Titan, 
> which is quite clean. I've established a run frequency for JA only to 
> run off by a guy with a dirty power amp 700 Hz away.
> Competitors using these dirty rigs should pay the price competitively. I 
> propose a scoring penalty of 15% to the users of FTDX5000 and other 
> Yaesu rigs in that family (study ARRL data to understand why that's 
> valid), and 10% to users of IC7800, 7700, 7600. KE1B, who uses a 7600 to 
> drive a solid state amp, wipes out 10 kHz of whatever band he is on for 
> me on CW, more on SSB. I'm not a WRTC competitor, but K6XX is, and his 
> dirty TX hurts Bob worse than me. By contrast, Bob and I, with K3s and 
> tube amps, can work 500 Hz apart and barely know the other is there. And 
> Bob is three miles closer than KE1B.
> Is this fair? I contend that with the right to run high power comes the 
> responsibility to produce the CLEANEST signal consistent with the state 
> of the art. K3 has established the state of the art, and preliminary 
> data from the mfr suggest  that Flex 6000-series may be as good. Kenwood 
> TS590S is 10 dB worse, at a very modest price. I contend THAT is state 
> of the art, and that ICOM and Yaesu fail to meet it.
> Yes, I'm saying that users of these dirty rigs need to replace them with 
> cleaner ones. In 2008, I sold a pair of loaded FT1000MPs at significant 
> loss to be replaced by K3s. I did this because I could see from specs 
> that I needed to do that to coexist with my neighbors. Before that, I 
> owned a pair of TS850s and K2s. All sold.
> And remember -- this is ARRL's data, not mine. :)
>  From my days in the civil rights movement of the '60s and '70s -- "if 
> you're not part of the solution, you're part of the problem!" I've 
> dumped my dirty rigs -- how about YOU?
> 73, Jim K9YC
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