Northern and Central Groups were operational in function, and were equipped with filter rooms and fighter operations rooms, while Southern Group was primarily responsible for training.
22.
One of the WAAF officers in the Barton Hall Filter Room, Eileen Younghusband ( WAAF airwoman ) recorded her experiences there in " One Woman's War ."
23.
The book tells the previously untold story of the work of the Filter Room in WW2, and the book is the first of its kind on the topic to be published.
24.
For instance, the filter room might be receiving 15 reports per minute from various CH sites, but these would be about formations that might cover the entire coast of Great Britain.
25.
As all radar plots flowed through Fighter Command's " filter room " at RAF Bentley Priory, the pip-squeak plots could be matched up with those from the radars.
26.
The filter room, where large quantities of intelligence on enemy activity were filtered before being passed to the operations room, was located in a separate block and did not open until 1943.
27.
To plot these flights, to staff the battery of telephones and to transmit information from filter rooms to operation rooms and from one filter center to another volunteers worked 24 hours a day.
28.
A few weeks later, Dowding was removed from command, perhaps due in part to his failure to come up with solutions to The Blitz and the groups soon had their own filter rooms.
29.
ABF's additionally work in the bottom levels of a ship, such as the pump room's and filter room's where purifying fuel and then subsequently pumping refined fuels to their flight deck counterparts.
30.
Information overload occurred on several occasions and the filter room had to ask CH stations to stop reporting but this little effect on them capabilities and later, stations reported only basic information for multiple formations as a single plot.
