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| To: | <[email protected]> |
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| Subject: | AW: VLF: 4th VLF experiment by DK7FC/p |
| From: | Stefan Schäfer <[email protected]> |
| Date: | Mon, 5 Apr 2010 16:40:04 +0200 |
| References: | <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1BCD@File-Server-HST.hst.e-technik.tu-darmstadt.de> <E76E868251A541159202C9B06B76F1EB@JimPC> <38A51B74B884D74083D7950AD0DD85E82A1BD0@File-Server-HST.hst.e-technik.tu-darmstadt.de> <5510C66CEB9B46FDAB474C88A25031C5@JimPC> |
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| Thread-index: | AcrUR5jbLYRnRKxTRA+NWYt6OqifTwAhkgbC |
| Thread-topic: | VLF: 4th VLF experiment by DK7FC/p |
________________________________ Von: [email protected] im Auftrag von James Moritz >Well, the top image in the attachment shows a wide-band spectrum with and without filter. Basically, at this scale, everything around 9kHz and below is QRM... Tnx for that excellent overview! One can see the 2...3dB improvement. I will also integrate a band pass filter in the E-field antenna for my planned VLF grabber in Heidelberg! 73, Stefan/DK7FC <<winmail.dat>> |
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