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1. VLF: strange transmissions (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Mon, 01 Aug 2011 12:53:05 +0200; VLF, There are strange transmissions near 12.4, 13.3 and 15.6 kHz, narrow band, very strong here in Heidelberg http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html and also in Iceland; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00045.html (9,851 bytes)
2. Re: VLF: strange transmissions (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Mon, 01 Aug 2011 19:17:04 +0200; Hi Markus, Another thing that appears strange to me, if these signals should have come from the Alpha transmitters: On the TF3HZ grabber you can clearly see that the "strange" transmissions have been; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00092.html (13,097 bytes)
3. Re: VLF: strange transmissions (score: 1): Author: Alex Deligiannis <[email protected]>; Date: Mon, 01 Aug 2011 17:28:44 +0300; There are strange transmissions near 12.4, 13.3 and 15.6 kHz, narrow band, very strong here in Heidelberg http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html and also in Iceland http; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00241.html (10,403 bytes)
4. Re: VLF: strange transmissions (score: 1): Author: Alex Deligiannis <[email protected]>; Date: Mon, 01 Aug 2011 20:32:21 +0300; Markus, Lubos: But the signals have been ON to the same time (abt 9 UTC) on air than the Alphas, at least it looks like that on the slow scrolling spectrograms!? But maybe you are right. On my RSDN-2; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00308.html (10,590 bytes)
5. Re: VLF: strange transmissions (score: 1): Author: Markus Vester <[email protected]>; Date: Mon, 1 Aug 2011 08:29:05 -0400 (EDT); Hi Stefan, three of the frequencies seem to be the alternate frequency set of the Alpha (RSDN 20) navaids, mentioned on http://www.vlf.it/alphatrond/alpha.htm F6 12500.00000 Hz = 16 x 781.25 Hz F7 13; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00672.html (11,708 bytes)
6. Re: VLF: strange transmissions (score: 1): Author: qrss <[email protected]>; Date: Mon, 01 Aug 2011 20:58:23 +0100; They look to be a lot stronger than the Alphas with me too Stefan, they are on my Wide View, I missed seeing them live earlier. http://g3zjo.bplaced.net/index.htm 73 Eddie G3ZJO On 01/08/2011 18:17,; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00696.html (14,218 bytes)
7. Re: VLF: strange transmissions (score: 1): Author: Jacek Lipkowski <[email protected]>; Date: Tue, 2 Aug 2011 06:48:15 +0200 (CEST); There are strange transmissions near 12.4, 13.3 and 15.6 kHz, narrow band, very strong here in Heidelberg [...] maybe it's TACAMO? although i thought they use higher frequencies around 20-30kHz VY 73; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00725.html (9,598 bytes)
8. RE: VLF: strange transmissions (score: 1): Author: Lubos OK2BVG <[email protected]>; Date: Mon, 1 Aug 2011 18:24:12 +0200; Hello Stefan, Markus, VLF! I argee with Markus. I think, it was RDSN-20 transmitting. The RDSN system had been turn off some days ago and than tested, may be. 73! Lubos, OK2BVG To: rsgb_lf_group@blac; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00732.html (12,537 bytes)
9. Re: VLF: strange transmissions (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Mon, 01 Aug 2011 18:38:31 +0200; Hi Alex, Markus, Lubos, VLF, Markus, Lubos: But the signals have been ON to the same time (abt 9 UTC) on air than the Alphas, at least it looks like that on the slow scrolling spectrograms!? But mayb; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00770.html (11,900 bytes)
10. Re: VLF: strange transmissions (score: 1): Author: Halldór <[email protected]>; Date: Mon, 01 Aug 2011 20:12:34 +0000; Hi all, The signals did measure 10dB stronger than the Alphas on my spectrogram. 73 Halldor TF3HZ; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-08/msg00813.html (10,877 bytes)

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