A similar SQ decode method that GingaNinja used in 2011, can be used with the On Air release.
This was the result:
Could this be the elusive quad encoded broadcast of the 1977 BBC sessions?
www.ebay.co.uk/itm/Lot-of-2-Queen-35-90-Reel-to-Reel-Tapes/264515018444
The recording date of the WMMR broadcast (June 18th 1978) corresponds with a blank KBFH (DQR) entry listed here:
www.eclipse67.com/kbi.htm
Hi Kurgan,
Is that not merely the King Biscuit Flower Hour broadcast? They put on that horrible crowd noise to make it sound like a live performance.
I see that KBFH is written in the description.
Cheers,
Keith.
I explain my reasoning in this thread:
http://www.queenzone.com/forums/1573828/1977-bbc-sessions-quad-encoded-recording-ebay-listing.aspx