I experienced the same phenomenon as did Larry. Some of this was the "fault"
(i.e. normal operation) of the noise blanker; some of it was due to the
absolutely abysmal quality of too many of the signals. Regrettably, there were
probably some K3s contributing to the mess if some recent QSOs
Eric,
A great update to the K3/K3s would be a fully adjustable IF NB Width
control. The available choices now are NAR/MED/WID with 7 degrees of
level. Electric fences are wide pulse. I have observed that width vary
based on the manufacturer and the quality of the installation; read -
all
I run across this same situation when trying to copy weak signals in the
QRP Fox Hunts. I rarely use the NB here so it usually surprises me when
it happens.
The K3 NB is made up of two parts: IF and DSP. For the IF NB, the
spectrum is sampled ahead of the roofing filter and is quite broad.
I discovered the source of a “noise” I was complaining about on 80M cw this AM.
I finally noticed that it would always come on at exactly the time VK9WA said
“UP”!! and varied in intensity and duration until he answered someone..at
which time the noise was gone and S meter returned to S1!!
Hi Larry,
For the IF NB I usually use a level of 3, or 4 max, with a narrow typically for
the width. This generally works quite well for me with minimal intermod. More
aggressive thresholds and wider widths significantly increase the likelihood of
nearby strong signal intermod with IF based
Sinse installing the latest beta release I have a problem with a loud tone
when I engage the NB. Has anyone else experienced this or am I just doing
something wrong?
Jim G4NWJ
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I get a continuous tone when engaging NR, but it requires switch tones set
to on and my FL1 filter to be engaged. Wayne has tried to help me find the
cause without success yet.
Steve N9SZ
-Sinse installing the latest beta release I have a problem with a loud tone
-when I engage the NB. Has
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