On Thu, Mar 3, 2011 at 10:34 PM, Olin Lathrop w= rote: > V G wrote: >> All that current flowing through those "coils" must create a nice >> strong EM field? > > Not if it's coax or otherwise has equal currents flowing in opposite > directions in close proximity to each other. Don't misdirect people here Olin, you obviously don't have any theoretical background in field and wave theory. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .