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Alan_Douglas · 23rd May 2004, 5:17 pm

This one covers 9-13, and 12-40kHz. The only shield is the aluminum box cover. The coils are litz but I doubt that it makes much difference at these frequencies:

http://antiqueradios.com/albums/Misc/FERRLOOP.jpg

23rd May 2004, 5:17 pm	#9
Alan_Douglas Retired Dormant Member Join Date: Nov 2003 Location: Cape Cod, Massachusetts Posts: 59	Re: Building an external ferrite rod aerial This one covers 9-13, and 12-40kHz. The only shield is the aluminum box cover. The coils are litz but I doubt that it makes much difference at these frequencies: http://antiqueradios.com/albums/Misc/FERRLOOP.jpg