In article , Leo
writes:

Agreed - but at a sweep of 1.2 seconds, the phosphor would need to
have a pretty long persistance to make a nice even display like the
one pictured.......bright, too!

My Tek 465 can't do that - where can I buy one of those?

Tek makes lots of DSOs now. They can do so without straining.

Do you need a Tucker Electronics catalog? Tucker used to sell
ham equipment until business in that line got way too unprofitable
(apparently all Texas hams get Southgate Type 7s or Elecraft or
something).

Morse code can do anything. Slowly, to be sure. Morse code gets
through when everything else will.

LHA / WMD