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| Subject: | Re: VLF: 8.97kHz - Near field and radiated signals, and all the nice experiments :-) |
| From: | pws <[email protected]> |
| Date: | Sat, 29 May 2010 08:27:36 +0200 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1C00@File-Server-HST.hst.e-technik.tu-darmstadt.de> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> |
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Hi Stefan, You wrote: > ... > Thus, the strong LF and MF broadcast signals are well attenuated, > as it seems. I am interested what happens in the night, when QRM goes > down and the LF/MF DX window opens. The grabber2 is still available at > http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html Looking good, congrats! I wonder about that signal visible at 2100 Hz. It shows a typical MSK-bandwidth and a diurnal run not unlike the others above. May be it's mirrored from next Nyquist-domain: 24000 + (24000-2100) = 45900 ==> NSY, Sicily, usually very strong. Gruesse aus Kiel, Peter |
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