Ultrix Tape: Block Size?

[Christian Corti]

On Tue, 16 Oct 2018, Warren Toomey wrote:
> All, I received this request from Matthew who isn't subscribed to either
> the TUHS or cctalk lists. He knows how to read the lists archives. Many
> thanks for any help you can provide.
> Cheers, Warren

See
https://ifctfvax.superglobalmegacorp.com/releases/UNIX/thirdparty/Ultrix-32/ult420vaxdist-tk50/sup/

Christian