I recovered the Lego Blacktron Message Intercept Base from 1988. Its not 100% recovered because some parts were lost or broken. Set number: 6987 : r/lego
6987: Message Intercept Base – Mark Pospesel (Coding and Other Stuff)
6987: Message Intercept Base - Back of the Box Builds
Space Theme Sets - LEGO 6987 Message Intercept Base Blacktron I Space Set 1988
LEGO Message Intercept Base Set 6987 Instructions | Brick Owl - LEGO Marketplace
LEGO 6987 Message Intercept Base Instructions, Space