Messed around with foobar2000 and "made" this 7.1 upmix, not true surround by any means but it sounds thicker than the source.
the files are together around 2gb (flac8)
Enjoy.
https://we.tl/t-l18OdjYdoP
Sourced from: http://www.queenzone.com/forums/1358516/1985-05-11-tokyo-radio-broadcast.aspx
ihadmytime