Wire loop antWire loop ant. 5 . . . . An easy-to-build general purpose receive only small wire loop antenna. . Ordinary copper house wire may or may not be a loss factor depending on resonances in . . Why is an Magnetic Loop antenna so special, this antenna is picking only the MAGNETIC part of the ELEKTRO MAGNETIC radio wave. A reflector wire below the loop will give some gain but on one band only. is electrostatically shielded, it tends to pick up less man-made noise than wire . Wire . . As m... more