Key
| Heavy Anti-Aircraft Site | Light Anti-Aircraft Site | Airfield | Radio Site |
| Site No. | Name | OS Grid Reference |
| CH7 | Donnington | SU 858 016 |
| CH8 | Oldwick Farm | SU 848 073 |
| CH9 | SZ 781 978 | |
| CH10 | SZ 745 988 |
Coding sequence integral with Tangmere, Ford & Thorney Island
Gun Strengths
Overlord & Diver
| Dates | 3.7 inch mobile |
| Apr 44 | 56 |
| Jun 44 | 33 |
| Jul 44 | 24 |
