Keith;
Don't know if this helps or not, but in 1940, July-September, 6th A.A. Div (S.E. Counties) and 1st A.A. Div (London) were responsible for the defence of the airfields of No. 11 Group, Fighter Command. These Stations being:
- Tangmere
- Westhampnett
- Kenley
- Croydon
- Briggin Hill
- Gravesend
- Manston
- Hornchurch
- Rochford
- Northolt
- Heath Row
- North Weald
- Martlesham
- Stapleford Abbots
- Debden
- Castle Camps
Hope this helps.
Cheers
