I think your memory is pretty close.  From the August 1979 version of the APLSF-20 Language Manual (AA-H200A-TK), on page 1-2, one finds Table 1-1, viz:

We had a number of APL terminals at Columbia; I think most were Tektronix.

However, it should be noted that this table is undoubtedly dated.  The VT102 could do APL.  You needed the advanced video and printer option (VT102-AA) and then the APL option (VT102-RA)

Same deal with the LA120, one imagines.

---

On 10/11/22 12:18 PM, Paul Koning wrote:

On Oct 11, 2022, at 11:27 AM, Dave McGuire <mcguire@neurotica.com> wrote:

On 10/11/22 11:26, Robert Armstrong wrote:

  Just a suggestion - you might try installing Johnny's RPM on a simulated
PDP11 w/FPP first, just to be sure it works and that you aren't doing
something else wrong.  Then try building the non-FPP version and replace the
existing TSK file with that.

 I installed it on my 11/83 at home, which has an FPP.  It runs fine there.

  And a question - do you have an APL terminal too?  I think DEC did make
some with the APL character set, but they were very rare.  Or is there some
hack for doing APL with standard ASCII (although it would be hard to think
of it as APL in that case).

 We don't have an APL terminal, but APL-11 can use standard ASCII, or a VT-220 (etc) with a downloadable font.

There was the LA37 if I remember right.  In any case, I know APL-11 has ASCII substitutes, for example .IO is the "quad" (input/output) symbol.  That's the only thing I remember from the 15 minute APL-11 demo I got back in 1980 or thereabouts.

	paul

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