10 Group area, was initially established in a block adjacent to the manor house in June 1940.

[3] Later in the year the operations room was relocated into the north end of an underground bunker in Browns Quarry.

[4] The Filter Room, responsible for filtering large quantities of intelligence on enemy activity before it was passed to the operations room, was located in the south end of the underground bunker in Browns Quarry and became operational in 1940.

[4] Eileen Younghusband, who served in various filter rooms, recounted her experiences at Rudloe Manor in her 2011 memoir, One Woman's War.

[5] The Communications centre was located in the west part of the underground bunker in Browns Quarry.

[6] The members of the Women's Auxiliary Air Force who staffed the underground bunker were billeted at nearby Hartham Park.

No.1 Signals Unit was established to manage all UK terrestrial communications infrastructure for the RAF.

[1] RAF Rudloe Manor was the location of Headquarters Southern Area Royal Observer Corps (ROC) from 1952 until 1980, when it was relocated to Lansdown near Bath.