Here's where they flew from Stopstart, I'm sure a little research will bring forward the Gloucestershire bases. Best of luck but like others, I reckon it's more Canadian "****ehawk" than RAF bird. As TTN says, great find;
Canadian Air Force United Kingdom operating locations England 1939-45;
RAF Acklington
RAF Andover
RAF Ashford
RAF Baginton
RAF Balderton
RAF Bassingbourn
RAF Beaulieu
RAF Biggin Hill
RAF Bircham Newton
RAF Blakehill Farm
RAF Bournemouth
RAF Bradwell Bay
RAF Burn
RAF Castle Camps
RAF Catterick
RAF Charmy Down
RAF Chivenor
RAF Coleby Grange
RAF Colerne
RAF Croft
RAF Croydon
RAF Dalton
RAF Davidstow Moor
RAF Debden
RAF Digby
RAF Dishforth
RAF Docking
RAF Down Ampney
RAF Driffield
RAF Dunsfold
RAF East Moor
RAF Eastchurch
RAF Exeter
RAF Ford
RAF Friston
RAF Funtington
RAF Gatwick
RAF Gransden Lodge
RAF Gravesend
RAF Hartford Bridge
RAF Harrowbeer
RAF Halton
RAF Hawkinge
RAF Headcorn
RAF High Post
RAF Holmsley South
RAF Hornchurch
RAF Horne
RAF Hunsdon
RAF Hurn
RAF Kenley
RAF Lashenden
RAF Leeming
RAF Lindholme
RAF Linton-on-Ouse
RAF Lympne
RAF Manston
RAF Martlesham Heath
RAF Merston
RAF Middle Wallop
RAF Middleton St. George
RAF Mildenhall
RAF Molesworth
RAF North Coates
RAF North Luffenham
RAF North Weald
RAF Odiham
RAF Old Sarum
RAF Penshurst
RAF Perranporth
RAF Pocklington
RAF Portreath
RAF Predannack
RAF Redhill
RAF Scorton
RAF Skipton-on-Swale
RAF Southend
RAF St Eval
RAF Staplehurst
RAF Strubby
RAF Syerston
RAF Tangmere
RAF Topcliffe
RAF Tempsford
RAF Ternhill
RAF Tholthorpe
RAF Thorney Island
RAF Trebulzue
RAF Waddington
RAF Warmwood
RAF Wellingore
RAF West Malling
RAF Westhampnett
RAF Weston Zoyland
RAF Winkleigh
RAF Wittering
RAF Wombleton
RAF Woodchurch
RAF Zeals
Smudge
