DIY Magnetic Loop Antenna - Conejo Valley Amateur Radio …

through the loop. Large diameter copper pipe is better since the radio frequency current flows primarily on the outside of the conductor rather than the core. Typical 3/4 inch plumbing pipe is a good balance between low resistance and weight, Heliax coax is good for portable antennas where the loop has to be rolled up into a compact space.

  Loops, Radio, Antenna, Magnetic, Diy magnetic loop antenna