This link is a short summary of a paper that's here: https://www.dropbox.com/s/wif8oqzgm74sdqv/GDTAAA%20V4%20MH370%2007MAR2014%201716%20UTC%20Paper.pdf?dl=0 ht

This link is a short summary of a paper that's here: https://www.dropbox.com/s/wif8oqzgm74sdqv/GDTAAA%20V4%20MH370%2007MAR2014%201716%20UTC%20Paper.pdf?dl=0 https://www.dropbox.com/s/wif8oqzgm74sdqv/GDTAAA%20V4%20MH37... Richard Godfrey is the author and he used WSPR "The WSPR protocol exchanges call sign, location and other information between radio stations." I guess it's this? https://en.wikipedia.org/wiki/WSPR_(amateur_radio_software) https://en.wikipedia.org/wiki/WSPR_(amateur_radio_software) I don't know ANYTHING about him or WSPR, so I have no idea what this means.