These are recordings from VLF stations received with LA8AK active antenna (4C) and a homebrew upconverter.
66.66 KHz
18.1 KHz
18.1 KHz
18.1 KHz
18.9 KHz
20.2 KHz
20.9 KHz
22.1kHz
24.0kHz
26.7kHz
37.5kHz
40.75kHz
45.9kHz
These are recordings from VLF stations received with LA8AK active antenna (4C) and a homebrew upconverter.
66.66 KHz
18.1 KHz
18.1 KHz
18.1 KHz
18.9 KHz
20.2 KHz
20.9 KHz
22.1kHz
24.0kHz
26.7kHz
37.5kHz
40.75kHz
45.9kHz