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Old 18th Jul 2017, 12:41 am   #34
Herald1360
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Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,535
Default Re: First Radio Build - 12V HT system

ISTR about 50 turns on a typical ferrite rod will be about right for medium wave. Tap at about 8 turns from the "bottom".

You may not need an external aerial for local signals at all with the rod type coil.
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