help with filming location! poss dorset area

im am trying to locate this location,having posted on here before with great success I thought I would give it another try,the location I think is in a army camp??its some sort of petrol store or gas,our the sign might have been mooked up for filming,looks like army huts in backgroung.it was from the episode of survivors filmed in 1977.
I was down at piddlehinton yesterday but most of the buildings have been bulldozed so im not sure if it was there our not,our maybe somewhere close as most of the episode was shot in dorset??please see pictures below. the guy at the fence also maybe that's piddlehinton??

thank you very much
regards
steve

utube video
see from 0:47

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found a map of the camp might be a little early,but cant see it on there!!!

Pic 4 looks like Okehampton to me, the way the buildings go up the hill.

Matt wrote:

Pic 4 looks like Okehampton to me, the way the buildings go up the hill.

Have not looked in detail but MOD has an agency looking after film locations,

locations.landmarcsolutions.com/

this link was not working

thank you but doesn't seem to be there!!!
has anyone got any old photos of the camp??

cheers
steve

www.atlantikwall.co.uk/oldsite/atlantikw...south_of_england.htm
Piddlehinton Camp.

thanks Richarde,got similar photos from visit,was hoping to get earlier photos maybe 1960s our 1970s.just want to see if it was actually at the camp..

but thanks anyway
regards
steve