TEKCATS
TEKCATS (Tektronix Computer Aided Test System) is software that is used for calibrating Tektronix 11k scopes.
The software runs on MS-DOS.
Versions of TEKCATS are available for the 11300, DSA600, and possibly others.
The final version of TEKCATS for 11300 scopes is v2.19. The software communicates with the oscilloscope via RS-232.