Key
| Heavy Anti-Aircraft Site |  | Light Anti-Aircraft Site |  | Coast Battery |  | Radar Station |  |
| Site No. | Name | OS Grid Reference |
| IW6 | Nettlestone | SZ 626908 |
| IW13 | Whippingham | SZ 519 937 |
| IW14 | Rew Street | SZ 465 942 |
| IW35 | Lynn Farm | SZ 539 894 |
| IW36 | Porchfield | SZ 445 915 |
| IW36 | Thorley Street | SZ 374 881 |
| IW37 | Hamstead | SZ 408 907 |
| IW39 | Cliff End | SZ 332 887 |
| IW44 | SZ 418 822 |
Gun Strengths
Overlord & Diver
| Dates | 5.25 inch | 3.7 inch static | 3.7 inch mobile |
| Mar 44 | 0 | 20 | 6 |
| Apr 44 | 0 | 26 | 22 |
| Jun 44 | 0 | 26 | 40 |
| Jul 44 | 0 | 26 | 16 |
| Aug 44 | 2 | 26 | 8 |
| Jan 45 | 8 | 26 | 8 |
| May 45 | 8 | 0 | 0 |
Heavy AA Regiments known to have occupied sites in this GDA
| Dates | Units |
| Mar 44 | 76 (Gloucestershire) Heavy Anti-Aircraft Regiment |