Conquest is a real-time, multi-player space warfare game that was originally written in RATFOR for the VAX/VMS platform by Jef Poskanzer and Craig Leres in 1982. It was the early predecessor to Netrek.
But dont quote me on this - this may or may not be from the latest 8.5 version
Well, it is the current HUD on the official site: Radscan.com