I recall setting up a Gorizont C band dish of 90cm in 1984 to watch the Russians in SECAM and I'm sure Eutelsat 1 (F1) was available a few months earlier, though the Ku band LNBs were prohibitively expensive.
This thread from a couple of years ago mentions other satellite positions available at the time using Intelsat V satellites.
Just out of interest, I’ve been looking online for information about what was about in the skies above Europe in the mid 80s, before satellite became more popular with Astra 1A and other DBS systems at the end of the decade and into the 90s. I stumbled upon this interesting scan of a Swedish...
www.satellites.co.uk
Steerable dishes were incredibly expensive.