What frequency, Peter?
Dave, W3ST/W3CRA
Publisher of the Collins Journal
Secretary to the Collins Radio Association
www.collinsra.com - the CRA Website
Now with PayPal
CRA Nets: 3.805 Mhz every Monday at 8 PM EDST
and 14.253 Mhz every Saturday at 12 Noon EDST
Collins Chatroom - Daily at 4 PM EDST on 7.208 Mhz
----- Original Message -----
From: "Peter Wittenberg" <[EMAIL PROTECTED]>
To: "'Discussion of AM Radio in the Amateur Service'"
<[email protected]>
Sent: Friday, April 06, 2007 8:47 PM
Subject: RE: [AMRadio] Re: GB> AM vs SSB???
Hi Dave, Howard Mills W3HM and I and a few other fellows have set up an AM
net at 1700 on weekdays. It is totally informal and whoever is there first
is the person that calls CQ. Some times there is no one around do to
other
things going on . When I am ho0me I always try to be on.
Join us!
-73- Peter K2LRC
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of david knepper
Sent: Friday, April 06, 2007 7:50 PM
To: Discussion of AM Radio in the Amateur Service
Subject: Re: [AMRadio] Re: GB> AM vs SSB???
Is 3805 Khz a new AM calling frequency?
I heard an AMer get bounced about operating there.
Dave, W3ST/W3CRA
Publisher of the Collins Journal
Secretary to the Collins Radio Association
www.collinsra.com - the CRA Website
Now with PayPal
CRA Nets: 3.805 Mhz every Monday at 8 PM EDST
and 14.253 Mhz every Saturday at 12 Noon EDST
Collins Chatroom - Daily at 4 PM EDST on 7.208 Mhz
----- Original Message -----
From: "Grant Youngman" <[EMAIL PROTECTED]>
To: "'Discussion of AM Radio in the Amateur Service'"
<[email protected]>
Sent: Friday, April 06, 2007 7:43 PM
Subject: RE: [AMRadio] Re: GB> AM vs SSB???
The main reason ssb will sound better on a collins than on some of the
cheaper rigs is that their audio chain has 1% distortion instead
of the usual 10% distortion, and they also use a decent loudspeaker.
Actually, I've never thought Collins SSB sounded all that terribly good.
The KWS-1 has a bit wider transmit filter than the other usual suspects,
but
in general, the transmit bandwidth is too narrow. There are important
audio
queues in both the low end and high end (up to 4Khz or so) speech
spectrum
that are completely missing. This isn't just a Collins problem -- I'm
not
singling them out to pick on. And the typical receiver, with it's shiny
2.1
Khz mechanical filter or equivalent, chops those important queues out
even
if they were being transmitted.
I am not a proponent (nor opponent, either) of high fi SSB, but you don't
have to go too far beyond what is the politically correct norm to get a
signal that can actually be well understood (per Bacon's point).
And of course there are other factors -- tuning errors, distortion
products,
a heavy hand on the "processing" control, what-have-you. AM signals can
be
mushy and hard to understand, too.
Grant/NQ5T
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