[AMRadio] WTB SB-220


RJ Mattson rjmattson at hvi.net
Mon Sep 27 19:07:29 EDT 2004


Again, It would be an S1 signal above a s9/30db level noise -  a barely
perceivable difference.
You would have to go from 100 to ~ 6,400 watts to get an S3 signal above
that noise level.
 bob...w2ami
 www.qrz.com/callsign/w2ami


----- Original Message ----- 
From: "George Pritchard" <gpritchard at comtechpst.com>
To: "'Discussion of AM Radio'" <amradio at mailman.qth.net>
Sent: Monday, September 27, 2004 9:38 AM
Subject: RE: [AMRadio] WTB SB-220


> When the interference is also at 30 over S9(even if it's static crashes) a
> 36 dB over signal using the 400 watts helps. First put up the best ant...
> Then crank-it with juice!!!
> George AB2KC
> 1KW 4X1 lives
>
> -----Original Message-----
> From: amradio-bounces at mailman.qth.net
> [mailto:amradio-bounces at mailman.qth.net] On Behalf Of RJ Mattson
> Sent: Monday, September 27, 2004 9:27 AM
> To: Discussion of AM Radio
> Subject: Re: [AMRadio] WTB SB-220
>
>
> No matter what the spin, 100 to 400 watts is only 1 s-unit
> and barely perceptible at the receiver.
> A 30db/s9 signal is from a good antenna not from
> 100 or 400 watts.
> bob...w2ami
> www.qrz.com/callsign/w2ami
>
>
> ----- Original Message ----- 
> From: "Jim Candela" <jcandela at prodigy.net>
> To: <amradio at mailman.qth.net>
> Sent: Sunday, September 26, 2004 10:47 PM
> Subject: Re: [AMRadio] WTB SB-220
> >
> > Hmmm, the boys on 3878 are running 1500 watts pep plus
> > on USB, and there is a 100 watt AM'er calling CQ on
> > 3880. How much of an antenna would the AM'er need to
> > overcome the S/N ratio? I think Astabula Bill, W8VYZ
> > says it all:
> >
> > http://www.amwindow.org/audio/mov/w8vyz.mov
> >
> > Ever hear Bill running 100 watts? When Bill and Less
> > K6HQI (sk) were regulars on 14286 they had to run
> > heavy iron to hold the frequency. A 100 watt rig was
> > seldom heard whereas a 500 watt rig (that 6db again)
> > was often armchair copy, and sometimes often drive the
> > QRM away.
> >
> > Regards,
> > Jim
> >
> > RJ Mattson <rjmattson at hvi.net> wrote:
> > If you can't get out consistantly with a Viking II,
> > you need an antenna -
> > not an amp.
> > bob...w2ami
> > www.qrz.com/callsign/w2ami
>
>
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