> 2.8 KHz is a third wider than the 2.1 filter that came in all 100,000+
> Collins S-line and a large number of KWM-2.
S-line/KWM-2 SSB audio is not particularly good, in my opinion (transmit
or receive), and is pretty close to minimum acceptable quality. Perhaps
the narrow filtering was selected as standard in these radios since there
is no bandpass tuning control (never figured out why Collins dropped that
feature from these radios).
> adjust what spectrum is being heard is beyond the comprehension of
> many amateurs. Else they'd not move frequency 500 Hz from a QSO in
> progress and consider it a new frequency.
There seems to be quite a bit that's beyond the comprehension of many
amateurs -- but let's not get into the failings of current licensing practice:-)
> SSB does use a whole lot more spectrum than CW but uses a lot less
> brain power and that's important for many hams.
I suspect if one evaluated the cranial processing resources in use, real
time speech recognition, with all the necessary tone, inflection, contextual
and semantic analysis, etc. probably chews up considerably more.
Although, certainly, CW can take more conscious energy.
>...The rules
> they say nothing about using a wider bandwidth to sound more natural.
That's true, but they do not require that I limit my transmit bandwidth if I
am not causing interference. I don't believe there's anything in the rules
that requires me to set my bandwidth just one step higher than "muffled".
I normally run the Orion at a minimum of 3Khz and usually closer to 4Khz
receive bandwidth unless the band is really clobbered. Signals just plain
sound better and listening fatigue is much less a problem. Sometimes, I
even say "damn the torpedoes" and open up the transmit side a bit, too --
but not on a crowded band, of course.
Grant/NQ5T
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