They post 90% of their SBD's to it. As long as you see something similar to these sources/lineage in the notes of the show, you're good to go! They also post 16 and 24 bit recordings in several formats!
Transfer: WAVs -> SoundForge Pro 11.0 (EQ, Time Align, normalize) -> Vegas Pro 13.0 (mix/render) -> SoundForge Pro 11.0 (EQ, normalize, fades, 96->44.1 iZotope 64-Bit SRC; 24->16 bit iZotope MBIT+ Dither) -> CDWav -> FLAC
Costello & McRoberts Ultra Mix - Recording and FOH mix by Peter Costello - Monitors by Aaron Gittleman - Lights by Jason Liggy Liggett - Video by Sean Smith - Transferred, edited, mixed and mastered by Eric McRoberts 04/22-23/201