FYI: The "DSX" satellite will carry a 0.5-0.9 kw, 3 to 50 kHz (pulsed?) VLF transmitter. Citation from: www.dtic.mil/dtic/tr/fulltext/u2/a531813.pdf : "...and a two week high-power VLF transmission c
Interesting mission. https://directory.eoportal.org/web/eoportal/satellite-missions/d/dsx Here some details about the spacecraft transmission. http://smartech.gatech.edu/bitstream/1853/8037/2/SSEC_S