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| To: | [email protected] |
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| Subject: | Re: VLF: Back on 5.17 kHz / 58 km... |
| From: | Markus Vester <[email protected]> |
| Date: | Mon, 2 Jan 2017 15:00:36 -0500 |
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Thanks Stefan. But I'm afraid it won't work: There was absolutely no hint of your offset carrier in my 63 uHz spectrogram, and also not in another one with 31 uHz bins. Perhaps I was too optimistic about my QRM situation on 5.17 kHz.
If you like, we could try again with another long carrier with offset during the daytime, when noise is lower and there's less propagational phase uncertainty. Best 73, Markus -----Ursprüngliche Mitteilung----- Von: DK7FC <[email protected]> An: rsgb_lf_group <[email protected]> Verschickt: Mo, 2 Jan 2017 6:37 pm Betreff: Re: VLF: Back on 5.17 kHz / 58 km...
Let's try further challenges on 5.17 kHz. A first night transmission:
f = 5170.000000 Hz Start time: 02.Jan.2017 17:00:00 UTC Symbol length: 40 s Characters: 5 CRC 16 Coding 16K25A Duration: 12h, 26m, 40s Antenna current: ~ 200 mA Markus, would it make sense to try a shorter message in 8K19A with long symbols for you? I did not see my carrier on 5169.99975 Hz on your grabber though. 73, Stefan |
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