Key
| Heavy Anti-Aircraft Site |  | Light Anti-Aircraft Site |  | Airfield |  | Radar Station |  |
| Site No. | Name | OS Grid Reference |
| 1 | Kerketh | SW 881 732 |
| 2 | Denzel Downs | SW 901 674 |
| 3 | Deer Park | SW 862 654 |
| 4 | Trenance | SW 857 681 |
| 5 | St Mawgan | SW 882 656 |
Gun Strengths
Battle of Britain & the Blitz
| Dates | 3 inch |
| Mar-May 41 | 4 |