Key
| Heavy Anti-Aircraft Site |  |
Airfield |  |
| Site No. | Site Name | OS Grid Reference |
| BY12 | Hog Hatch | SU 830 483 |
| BY13 | Ively Farm | SU 845 547 |
| BY15 | Whitelane Farm | SU 905 489 |
Coding sequence with Basingstoke, Guildford and Reading
The history of the Regiment in WW2