Date   : Sat, 04 Sep 1982 20:43:00-EDT
From   : Frank J Wancho <FJW@Mit-Mc>
Subject: MODEM for TOPS-20

There are two slightly divergent versions of MODEM for TOPS-20 in
MACRO:

MC:AR60:CPM;MDM20 158MAC  - the original, written and maintained by
                            Bill Westfield (BILLW@SRI-KL)

MC:AR60:CPM;MDM20 48MAC   - an experimental version by Ted Shapin
                         (BEC.SHAPIN@USC-ECLC), based on the original