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Re: LF: First MF TA since a longer time

To: <[email protected].org>
Subject: Re: LF: First MF TA since a longer time
From: "Alan Melia" <[email protected]>
Date: Fri, 25 Sep 2015 14:21:09 +0100
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Hi John, interesting.....thanks for the plug :-)) Good nights rarely occur when Dst is lower but are not guaranteed when it is at or higher than -20nT. I still haven't got a grip on that on the level of variation at high Dst.
I certainly remember playing AFRICAM with Larry. I still have one of Bill's
sigma-delta ADCs here.though I didnt have GPS sync then. Brian CT1DRP ran
GPS sync QRSS and DFCW using one of Andy's design synthersisers and some
code I wrote to key it. Then came WOLF.......no not he of the amazing
technicolour Spectrum Lab.... the weak signal mode. :-))
Best Wishes
Alan
G3NYK

----- Original Message ----- From: "John Andrews" <[email protected]>
To: <[email protected]>
Sent: Friday, September 25, 2015 1:34 PM
Subject: Re: LF: First MF TA since a longer time


Stefan,

A -6 dB SNR would definitely have been CW copy had I not been:
1. 200 km away.
2. Asleep.

Anyway, it was a good night. I note with interest that this was the first night in some time that the Dst rose above Alan's magic -20nT number. That might be a coincidence, but I don't thing so...
John, W1TAG

On 9/25/2015 4:41 AM, DK7FC wrote:
Hi all,

Last night there were excellent condx on 630m on the TA path! G8HUH,
F5WK and DK7FC managed to be decoded in above 5000 km in WSPR.

I've got exceptional good SNR reports!:

Timestamp Call MHz SNR Drift Grid Pwr Reporter RGrid km az
  2015-09-25 04:52 DK7FC 0.475683 -23 0 JN49ik 1 WG2XKA
  FN33lq 5970 297
  2015-09-25 04:32 DK7FC 0.475683 -16 0 JN49ik 1
  WD2XSH/17 FN42pb 5927 294
  2015-09-25 04:32 DK7FC 0.475684 -6 0 JN49ik 1 W1TAG/1
  FN43sv 5789 296
  2015-09-25 00:32 DK7FC 0.475683 -5 0 JN49ik 1 TF3HZ
  HP94ad 2440 323


-6 dB by W1TAG/1 means that many weaker stations could have made the
path as well, in that time slot!

73, Stefan

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