[Lowfer] Little PSK coming up to JD on 74.322...

[jrusgrove at comcast.net]

You can probably get a good idea of what to expect from the various modes at 
http://www.w1tag.com/600M_Modes.htm . 74 kHz should have less short term fading.

Jay W1VD  WD2XNS  WE2XGR/2  WG2XRS/2


----- Original Message ----- 
From: "JD" <listread at lwca.org>
To: "Discussion of the Lowfer (US, European, &amp;UK) and MedFer bands" <lowfer at mailman.qth.net>
Sent: Wednesday, January 01, 2014 4:53 PM
Subject: Re: [Lowfer] Little PSK coming up to JD on 74.322...


> That was an invigorating experience!  Bob and I switched between BPSK31 and
> QPSK31 a couple of times during that hour, and even tried BPSK63 for a
> while. We would have attempted more modes, but we were separated by
> "denominational differences."  My MultiPSK won't do FSK31, and his Digipan
> doesn't do PSK10, so we were out of luck.
>
> The three that we did try all produced copy here in SE Kansas.  The moment I
> could hear carrier from the speaker and see signal on Argo at QRSS3, the
> text began flowing, albeit with a few errors...especially around static
> crashes.  The QRN wasn't terrible, but there was more of it today than
> yesterday.  (Ironically, Bob, during the next hour 74 kHz quieted down to
> almost no noise at all once again!)
>
> Regular BPSK31 did a pretty credible job after I played with the clipping a
> little, and QPSK31 did even better, despite being spread out over a bit more
> bandwidth.  At least, there were fewer false decodes visible.  Neither of us
> really expected BPSK63 to work, since we were already kind of at the edge,
> signal-to-noise wise, and the readout did have a lot more errors, but over
> time one could still make out the message.
>
> Makes me kind of eager to try other possibilities for groundwave
> communication on this band, such as JASON maybe.
>
> Got to get back to the farm right now, but I'll post more later.
>
> John
>
>


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