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| To: | LF Group <[email protected]> |
|---|---|
| Subject: | LF: VLF Loading Coil Problems - G3XIZ |
| From: | Chris Osborn <[email protected]> |
| Date: | Wed, 29 Dec 2010 08:26:19 +0000 (GMT) |
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LF,
Many thanks for all efforts, advice and suggestions from members of the group. I shall E-mail them personally within the next few days. I spent several hours yesterday re-winding a section of my VLF loading coil. There are abour 1200 turns of 0.2 mm wire which had to be hand wound at a rate of 4 turns per minute (max). I was disappointed (to say the least) when the coil resonated at the correct frequency but had a very low Q. Either there's a short-circuit in the other section of the coil or I've introduced a short into the newly re-wound part. In any event I am QRT until I can sort the problem. I have social engagements today and will take another look at it tomorrow. 73 Chris G3XIZ |
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