[Lowfer] XGR/2 + XES Full Duplex Monday night

[Jay Rusgrove]

J.B

Thanks for the report.

Yes, please forward a copy of your reception...we didn't end up with many 'watchers' last night. We
were able to run full duplex PSKFEC31 on 137 / 500 kHz  with the only missed characters attributed
to normal fading.

Don't believe John had any issues on his end (transmitting on 137 kHz, receiving 500 kHz) but on my
end (transmitting 500 kHz, receiving 137 kHz) there were two issues. First was shot noise from the
linear amplifier at 137 kHz which was easily cured with a trap for 137 kHz. The second problem was a
received mixing product 508.5 X 2 - 880 (WCBS NY) = 137 kHz. This is probably occuring from 'diode'
effect somewhere on one of the towers. The interference wasn't strong enough to affect reception of
John's signal. Further investigation is necessary

Jay


----- Original Message ----- 
From: "J. B. Weazle McCreath" <weazle at hurontel.on.ca>
To: "Discussion of the Lowfer (US, European, &amp; UK) and MedFer bands" <lowfer at mailman.qth.net>
Sent: Tuesday, December 11, 2007 7:10 AM
Subject: Re: [Lowfer] XGR/2 + XES Full Duplex Monday night


> Hi John, Jay, LFers,
>
> A very solid copy of XGR/2 last evening now that I've got
> my 500 kHz. antenna up again.  I hope that the predicted
> ice storm today/tonite doesn't bring it down again!  I can
> send you a copy of my capture direct if you like.
>
> 73, J.B., VE3EAR - VE3WZL
> Solar and wind powered
> Lowfer " EAR"  188.830
> EN93dr
>
> http://www.hurontel.on.ca/~weazle
>
>
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