Key
| Heavy Anti-Aircraft Site |  |
|
 |
Z Battery Site |  |
Radio Mast |  |
| Site No. | Name | OS Grid Reference |
| C8 | Old Lodge Farm | TL 731 096 |
| C9 | Great Baddow | TL 722 044 |
| C12 | Recreation Ground | TL 705 068 |
| C13 | Broomfield | TL 702 105 |
| C14 | Rumbolds Farm | TL 746061 |
| C15 | Rollestone | TL 677 057 |
Coding integral with Clacton & Colchester
Gun Strengths
Overlord & Diver
| Dates | 3.7 inch mobile |
| Mar 44 | 24 |
| Apr 44 | 24 |
| Jun 44 | 24 |
| Jul 44 | 24 |
| Aug 44 | 24 |