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| To: | "[email protected]" <[email protected]> |
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| Subject: | LF: Ferrite rods |
| From: | Roger Lapthorn <[email protected]> |
| Date: | Mon, 15 Aug 2011 08:46:46 +0100 |
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| Sender: | [email protected] |
Although I've little experience of ferrite rods on LF receive I did wind my 600uH 500kHz ATU loading coil for my 5w transverter on one. With just a 5m top loaded vertical it worked well without saturation problems when sitting on the bedroom table. At QRP it is less lossy as less wire is needed. People have successfully engineered (single turn I think) ferrite rods as TX antennas for 10MHz QRPp WSPR. Somewhere I have some information on this. As long as saturation is avoided there is some mileage for HF TX applications in very compact QRP stations. Worth some experiments on LF receive Stefan. 73s Roger G3XBM Via my iPod Touch 4g 2.4GHz handheld. |
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