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taxma1981
01-20-2014, 12:24 PM
Could this be done ferrite antenna for vlf receiver; 40 credits ferrite thickness 8 mm with two oppositely wound coils of 550 turns each,
http://s18.postimg.org/5ybmej8h1/20140119_175744.jpg (http://postimg.org/image/5ybmej8h1/)

taxma1981
01-20-2014, 02:11 PM
tried different coils but the results were the same, ultimately receiver who is right for the Gold gun because many receivers there if you search