A Cold War Royal Observer Corps monitoring post, Holland on Sea, Clacton in Martello Tower D (EHER 46688)

A Cold War Nuclear monitoring post or A Royal Observer Corps monitoring post. The site is located in or near Martello Tower D (marked as Martello tower number 3 on Ordnance Survey maps) at Clacton on Sea. The site was built as part of an extensive network of posts designed to confirm and report hostile aircraft and nuclear attacks on the United Kingdom. The site would have been constructed after 1925 and at the time of the Defence of Britain survey (1995-2002) the site was found to remain in a good condition.

By the coast path on the edge of a golf course, 500 yards east of The Close, Jaywick Sands. SEALED. Theis was a non standard underground post being located in the lower room of a Martello Tower. The entrance on the north side of the tower has been bricked up. The post had dual FSM probe pies which are still visible on the west and east sides of the tower. <1> <2> Information from NRHE data import A Royal Observer Corps monitoring post. The site is located in or near Martello Tower D (marked as Martello tower number 3 on Ordnance Survey maps) at Clacton on Sea. The site was built as part of an extensive network of posts designed to confirm and report hostile aircraft and nuclear attacks on the United Kingdom. The site would have been constructed after 1925 and at the time of the Defence of Britain survey (1995-2002) the site was found to remain in a good condition. <3> See also <4>