We have contacted ARISS guys some time ago. Looks like they might be interested in developing M17 and the TR-9 handheld for ARISS use (with an emphasis put on SSTV and APRS). Take a look at the last page of this presentation. There is a size limit for attachments, so I had to upload it somewhere else.

ARISS-I E2E 2020 FRIDAY 26 JUN, 2020