And just where should all these "less than desirable" rigs end up? They
are certainly going to be put back on the air someplace. Maybe they
should go into a landfill? It sounds like another "Cash for clunkers"
program to me, but this time it's for radios instead of cars.
"In a perfect world..." :-)
73 de Bob - KØRC in MN
------------------------------------------------------------------------
On 10/12/2014 11:57 AM, Jim Brown 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
_______________________________________________
CQ-Contest mailing list
CQ-Contest@contesting.com
http://lists.contesting.com/mailman/listinfo/cq-contest
_______________________________________________
CQ-Contest mailing list
CQ-Contest@contesting.com
http://lists.contesting.com/mailman/listinfo/cq-contest
|