Re: LF: TA Nov 23/24

To:	rsgb_lf_group <[email protected]>
Subject:	Re: LF: TA Nov 23/24
From:	Warren Ziegler <[email protected]>
Date:	Sun, 24 Nov 2013 09:47:44 -0500
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Markus,

Thanks for the capture and thanks for listening!

No, I did not fire up again at 0500 - must be some other signal.

73 Warren K2ORS

On Sun, Nov 24, 2013 at 4:02 AM, Markus Vester <[email protected]> wrote:

Bob,

looks like some dashes came through here around 3 UT, see 74 kHz grabber screenshots, or browse

df6nm.bplaced.net/LF/74kHz/

Warren,

meager traces appeared on your QRG around 23:30. And then maybe for a short period after 5 UT - did you happen to restart the TX again later?

http://www.df6nm.de/grabber/LF_lastnight.htm

On the TA grabs there occured two periods of purple noise, 21:18 - 22:45 and 3:20 - 4:41. These are caused by increased data throughput on DCF39. The FSK bursts are very conspicuous on the DM4TR grabber

dm4tr.bplaced.net

which is located closer to DCF39. In the top panel, you can see that there would be useful spectral gaps around 137.765 kHz (about 10 Hz below the current TA slot), and around 137.63 kHz (70 Hz below the QRSS-3 center). Note that the frequency scale in the second panel is currently incorrect.

Best 73,

Markus

(DF6NM in JN59NJ)

--
73 Warren K2ORS
WD2XGJ
WD2XSH/23
WE2XEB/2
WE2XGR/1

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