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| To: | [email protected] |
|---|---|
| Subject: | Re: VLF: Strong drifting carrier on VLF! |
| From: | Mike-WE0H <[email protected]> |
| Date: | Mon, 28 Jun 2010 10:37:43 -0500 |
| In-reply-to: | <38A51B74B884D74083D7950AD0DD85E82A1C6C@File-Server-HST.hst.e-technik.tu-darmstadt.de> |
| References: | <6D39CC1F4253463CB8570333737E59AA@PCCasa><38A51B74B884D74083D7950AD0DD85E82A1C1D@File-Server-HST.hst.e-technik.tu-darmstadt.de><B7FBFD72427D4802BC38C7310FB750A8@PCCasa><38A51B74B884D74083D7950AD0DD85E82A1C2E@File-Server-HST.hst.e-technik.tu-darmstadt.de><[email protected]><38A51B74B884D74083D7950AD0DD85E82A1C30@File-Server-HST.hst.e-technik.tu-darmstadt.de><48711884B26B40129A1D43EBB493A6BF@PCCasa><38A51B74B884D74083D7950AD0DD85E82A1C69@File-Server-HST.hst.e-technik.tu-darmstadt.de><001401cb1645$ce9e81c0$4001a8c0@lark> <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1C6C@File-Server-HST.hst.e-technik.tu-darmstadt.de> |
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Sure looks like a DDS VFO with the discrete steps in freq. Maybe someone is testing their high power kilowatt or so Dreamers Band transmitter but wants to keep it secret as they don't have their NOV yet... Mike-WE0H Stefan S wrote: Dear group, Currently there is a very strong (abt 30 dB S/N) drifting carrier that started about 7:30 UTC on abt 12 kHz and is moving now up on 14 kHz. First i thought that it is a local signal but now i saw that it is also visible on the DF6NM VLF grabber with about same strength! http://www.mydarc.de/df6nm/vlf/vlfgrabber.htm http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html Has anyone an idea what it might be? It must be a commercial transmitter due to the signal strength at both locations! 73, Stefan/DK7FC |
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