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| To: | [email protected] |
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| Subject: | VLF: Three dots |
| From: | Markus Vester <[email protected]> |
| Date: | Mon, 23 Jan 2017 17:15:39 -0500 |
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Interestingly, my on 8270.0025 Hz carrier transmissions during the last three evenings
Jan 20, 18:00 - 23:00 UT, Jan 21, 15:28 - 23:00 UT, Jan 22, 13:23 - 23:00 UT left three dots on Stefan's 47 uHz spectrogram http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html . This is astonishing because the tree-receiver is currently connected to a north-south oriented loop, whereas I am due east in a null. So I was wondering whether reception was made possible by skywave with rotated polarisation? Perhaps reminiscent of the playful colour changes on Stefan's MF colour-DF grabber. Despite much lower noise background, the (shorter) daytime carrier Jan 22, 07:00 - 10:00 UT. left no trace at all. Best 73, Markus (DF6NM) |
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