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#29
November 6th 14, 07:28 AM
posted to rec.radio.amateur.antenna,uk.radio.amateur
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Loop Antenna at ~60 kHz
On Wed, 05 Nov 2014 23:23:32 -0800, Jeff Liebermann
wrote: Why not just make it a 40 KHz tuned xformer? Somehow, my brain converted the 60 KHz WWVB frequency, to the 40 KHz frequency of the vehicle detection system I'm working on. The frequencies mentioned should be 60 KHz and as usual, my arithmetic sucks. target. At 40 KHz, that's a -3dB bandwidth of 200 Hz, which is rather wide for a 1Hz wide WWVB signal. At 60 KHz, that's a -3dB bandwidth of 600 Hz, which is rather wide for a 1Hz wide WWVB signal. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
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