[R-390] R390A Classifcation results

[glwebb at gundluth.org]

My memory from nearly 40 years ago is predicably unreliable.  But as
a former R brancher (CTR2, Hi  toJohn the M brancher) here is what I
remember:

I spent three years working with and around R390A's inside buildings inside
 FRD-10  Circular Disposed Antenna Arrays.   Mostly doing narrow band and
wideband
High Frequency Direction Finding.   To go from E3 to E5 I had to study the
pertinent
manuals.  None of the ones about the receivers were stamped with any level
of classification.   And none of the receivers had any either.  I'm sure
though,
that some of the equipment associated with the encrypted teletype circuits
was classified
An O brancher could tell us more.  I talked to a  T brancher this morning
who worked with
banks of R390/R390A's  in the 70's.   None of his equipment was classified.

By the way, "Restricted" as a level of  classification was dropped sometime
in the 50's.  Some countries
still  use it as one of theirs.   U.S.  levels are "Confidential, Secret,
and Top Secret".
Contrary to some novel writers, there is no level above Top Secret.   There
are some
designations used to narrow the Need To Know and Access.  "Eyes Only" and
"Cryptographic" come to mind.

Gary Webb NI9V, CBET, Ex CTR2