Many thanks to SWLing Post contributor, Ian P, who writes:

Bob Padula noted some interesting information on his latest podcast–this was also played on last weeks episode of Wavescan.

[In summary]  the Shepparton site is still intact and on standby mode yet not staffed and is now Heritage Listed.  The property is still for sale yet no knowledge of any bids[…].

Thank you for passing along the update, Ian!