ОНЧ СДВ приёмник с магнитной антенной и тест стереозв?
Two B field VLF natural radio receiver's stereo effect test. I use two ~30m long loop antenna's in 90 degree angle. This day is "emty" - no chorus and whistlers.
Two B field VLF natural radio receiver's stereo effect test. I use two ~30m long loop antenna's in 90 degree angle. This day is "emty" - no chorus and whistlers.