>I'd rather warn folks about REAL problems that are FAR worse -- phase
>noise making signals ten times wider than they should be, key clicks,
>and splatter from intermod distortion at both AF and RF generated both
>by the transceiver and that garbage amp (or by a good amp that isn't
>properly tuned). Yes, L-network tuners in a low pass configuration are
>nice, and I have six of them on my operating desk, all tuning wire
>antennas.
>About a year ago, I added the Elecraft P3 spectrum display, and have
>been watching signals -- mostly CW, but sometimes SSB too. There are
>HUGE differences between the -50dB bandwidth of a K3 (about 400 Hz) and
>most other rigs (often 5-10 kHz). If you want to go on a crusade that
>means something, tackle THAT!
That's all wonderful but crusades with hams are usually counter productive.
I submit that a detectable 2nd harmonic qualifies as a real problem
especially if it is out of a ham band.
73
Rob
K5UJ
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|