Santa arrives via Model 19 Radio Teletype (1940s). By Museum of Communications, Seattle on christmas eve 2013.
Obscure C64 textmode software from 83/84. Microtel 600 was for videotex (Viditel in the Netherlands) and telesoftware (software that you download through teletext). Com-In seems to be for radio communication (RTTY) and other things. The software at the top (PA3ASM) is some sort of assembler or machine code monitor?