Bruce compares two homebrew NCPL antennas to the Airspy Youloop

Many thanks to SWLing Post contributor, Bruce (VE3EAR), who writes: I decided that more testing of the Noise-Cancelling Passive Loop (YouLoop) antenna was needed, but I wanted to start with a clean page. I built two identical loops using some 3/8 inch heliax scraps I had on hand. Both are one metre in diameter and [...]