[TenTec] CW Key Clicks and Filters

[Alderman, Chester]

Since I am obviously technically deficient, would someone mind explaining to
me what a 'keying artifact' is and what a 'spectrum artifact' is? I just
don't understand those terms and need some help. Could these possibly be
caused by a "raised cosine" keying waveform?

Mike...I think you should at to you list, a 579a for artifacts?

Fortunately, I did enhance my technical knowledge this morning when I read
"Any keyed waveform will have a non-zero spectrum width"...This just blows
my brain cell.

Are all of the bands dead?

Happy Thanksgiving to All,

Tom/W4BQF

-----Original Message-----
From: Mike Hyder -N4NT- [mailto:N4NT@charter.net] 
Sent: Wednesday, November 27, 2002 7:31 AM
To: AC5E@aol.com; w8au@sssnet.com
Cc: tentec@contesting.com
Subject: Re: [TenTec] CW Key Clicks and Filters

Maybe we need new suffixes:
579c for chirps
579k for clicks
579h for hash
579s for secondary carrier
579gg for general garbage on your signal, OM
579ih indescribably horrible signal

Mike

----- Original Message -----
From: <AC5E@aol.com>
To: <w8au@sssnet.com>
Cc: <tentec@contesting.com>
Sent: Wednesday, November 27, 2002 7:10 AM
Subject: Re: [TenTec] CW Key Clicks and Filters


> Yes, the RST system does use the c for chirp and k  for key clicks. And I
do
> use those when the occasion warrents.
>
> But the system does not provide for what to me is the most annoying keying
> artifact of them all. Phase noise. When the bands are quiet it's not at
all
> unusual to hear this junk 50 kc, kHz, away from a carrier.
>
> I often track down a station calling CQ "tuning by S meter" following the
> pish pa pish pa  pish pish pa pish and so forth until I find the carrier.
And
> it's not at all unusual to listen to the ensuing QSO and find the
offending
> station is using one of a handful of popular high dollar rigs. Thank
goodness
> TenTecs are quiet!
>
> Because when the bands are busy this racket runs together to become "radio
> smog." And all the weak ones we all want to work are under that junk.
>
> 73  Pete Allen  AC5E


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