DIY Magnetic Loop Antenna

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For example, my 30-10 Meter loop is 8.5 ft in circumference and 23% efficient at 10.1Mhz but 91% efficient at 28Mhz. This represents a difference of about 6dB or 1 S-Unit. The diameter of the conductor determines its resistance and this becomes important due to the large current flowing through the loop.

  Loops, Current, Antenna, Loop antennas