Jun 6, 2014 Radio Amateur's Sub-9 kHz VLF Signal Detected Across the Atlantic µW effective radiated power, very low frequency (VLF) experimenter Dex.
QST January 1994, pp. 49-51. This is an introduction to the Earth's natural VLF radio emissions. (3-30 KHz). 136 kHz Wikipedia entry for the 2200M ham band.
Visit VLF Amateur News 2019 for the latest Sub-9kHz News. There is growing interest in amateur radio operation below 9kHz in the so-called "Dreamer's Band" .
Radio amateurs in some countries have been granted permission (or have assumed permission) to operate at frequencies below.
The 2200 meter or 136 kHz band is the lowest frequency band in which amateur radio . "HISTORY of LF / MF / VLF Bands". Alex (R7NT) in Russia. ^ "Japanese .