70cm aerial for UKRAA 23 kHz receiver: The 134cm LRO Aerial: Post navigation Latest Spectrum Lab USR settings file that works successfully with LRO 134cm VLF aerial with direct input into USB soundcard and Spectrum Lab Software as of 16/3/2026 When making a VLF loop antenna to monitor SIDs, do you get better signal using less copper wire but on a bigger frame?
