PRACTICAL IDEAS FOR PORTABLE MAGNETIC LOOP ANTENNAS

摘要

My loop design presented here eliminates the use of vacuum variable capacitors because of the size, weight, and expense. Manual tuning is more practical for portable operation. For me, that meant it would be no more than 10 feet in circumference to fit in my Car's trunk, but with 40Μ-Ί0Μ capability at 100 watts.