DUAL_BAND_LOOP_ANTENNA_FOR_80__160_m

Published:2009/6/15 20:48:00 Author:May | From:SeekIC

This antenna might help to reduce power-line noise. A plastic hula hoop or conduit 3 feet in diameter, covered with aluminum foil as a shield is used for L1 and L2. L1 is two turns and L2 is one turn, threaded through the loop. S1 selects 160- or 80-m operation. Q1 and Q2 form a preamplifier for the loop antenna. Do not transmit with this antenna-it is for receiving only.



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