You are remembering a lot more about it than I can. Pics online either ignore the left side or show it as being as empty as my pic (which is a very early OEU jet, I think). The simulated GR4 here
https://xplanereviews.com/index.php?...-by-x-trident/
is pretty similar. Looks like ground-mapping radar, SWP and butty box to me. Good luck with it.