Guy's, Would anyone happen to know the model number (a.k.a. 70K-2) of the = Collins directional coupler used in the 312B-4/5, 203C-2, etc. I'm looking for a = copy of that instruction sheet (yes, there was one), other than what is = available in the above listed manuals. Thanks, Stu, k2qde --- StripMime Report -- processed MIME parts --- multipart/alternative text/plain (text body -- kept) text/html ---