TDOA TRANSMITER FINDING FREELY AVAILABLE FOR PUBLIC USE
The idea is that public KiwiSDRs distributed around the world can be used to pinpoint the physical locations of any 0 - 30 MHz transmitter using the TDoA technique.
More at:
1. https://www.rtl-sdr.com/kiwisdr-tdoa-direction-finding-now-freely-available-for-public-use/
2. https://dk8ok.org/2018/07/25/direction-finding-first-experiences/