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| To: | [email protected] |
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| Subject: | Re: LF: VLF TX coil ready |
| From: | Wolfgang Büscher <[email protected]> |
| Date: | Mon, 08 Mar 2010 19:21:17 +0100 |
| In-reply-to: | <38A51B74B884D74083D7950AD0DD85E82A1B39@File-Server-HST.hst.e-technik.tu-darmstadt.de> |
| References: | <[email protected]> <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1B31@File-Server-HST.hst.e-technik.tu-darmstadt.de> <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1B34@File-Server-HST.hst.e-technik.tu-darmstadt.de> <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1B37@File-Server-HST.hst.e-technik.tu-darmstadt.de> <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1B39@File-Server-HST.hst.e-technik.tu-darmstadt.de> |
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Hi Stefan, Well there are two now (Markus' and Paul's) .. I will try to add a third but need to get away from the local QRM. The plan is to use an UHF FM link to the remote, battery-powered site but there are some issues to be solved - one of them is the lack of dynamic range of the FM transmitter/receiver, so I may have to add some analog bandpass filtering before the FM modulator (which would render it useless for broadband VLF signals, especially natural radio signals..).A VLF grabber would be very fine! If you can arrange that, it would perhaps be a motivation for the dreamers ;-) Will keep you informed, when/where another VLF 'live spectrogram' goes online. Cheers, Wolf . |
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