Key
| Heavy Anti-Aircraft Site |  |
| Site No. | Site Name | OS Grid Reference |
| BY10 | Basing | SU 663 525 |
| BY11 | Prewitt | SU 617 529 |
| BY18 | Cliddesden | SU 635 491 |
| BY19 | Elm Bottom | SU 639 545 |
Coding sequence with Aldershot, Guildford & Reading
The history of the Regiment in WW2