Paper by EWT July 26 to Air Cdr H Leedham at MAP requesting priority for component...

HW 14/83

1943 July 21-31

Paper by EWT July 26 to Air Cdr H Leedham at MAP requesting priority for component parts for FORDE at Knockholt and explaining function of FORDE; EWT to MI-8 re Army Sigint training centre and Sigint cover at Hampstead July 27; paper by EWT July 30 on interception of foreign commercially-worked stations, giving history of development and expansion of GPO and Metropolitan Police Sigint stations and arguing for central cover control at BP, argues against control of commercial tasks under DD (C) at Berkeley Street, paper also covers proposed post-war GCCS organisation, paper sent to AGD for comments and forwarding to C; paper by EWT of July 25 on general assessment of Sigint processing at BP and reorganisation of Military Wing in light of revised establishment; DDMI (O) to EWT on Sigint liaison with US, Lt Col Taylor of US Army now permanently attached to BP July 28; Lt Col Sayer to AM July 26 on GCCS interest in radio station at Wincombe near Shaftesbury; paper to Sayer July 23 on man-power and Central Party recommending an additional 30 staff, shortage of traffic sorters; letter from Wing Cdr Jones of Hut 3 to Col Tiltman, Commandant HQ Military Wing GCHQ BP, recommending Capt Turner for promotion to Major; Head of Hut 6 Welchman to return to his office in Room 60, Milner-Barry to leave 60 and return to Room 62 July 27; AD (S) to C July 28 suggesting sabotage of German landlines in S Italy to force comms onto the air; memo by Col Pritchard on additional personnel required to support processing of traffic once a Western Front operation in progress; preparations for YC meeting of July 28, Sigint cover in Med, relevant extracts from YC minutes Dec 1942-July 1943; list of Sigint working aids contained in Murder Bag issued by AS to 382 WU July 29, Bonsall of AS to HAS July 23 on future organisation of AS with specific reference to Operational Watch and transfer of crypt section at Cheadle to BP, AS to AM July 30 on transfer of all cypher and processing staff from Cheadle to BP, move to take place Sept 13, Dr McVittie of Weather Section attends meeting at NIB July 26 to discuss CV automatic transmissions from enemy met balloons, Sigint to take over interception from Met Office; HNS on supply of tactical Sigint/Z material to Coastal Command July 29; liaison with AM, WO, Merry in Melbourne and with Kilindini; liaison with Washington, C informs UK representative Col O'Connor that US officer from Special Branch of G2 to visit N Africa via BP; liaison with ETOUSA, Col Bicher requests specific reports and working aids from BP; correspondence with Director CBME and AFHQ Algiers, Chairman of Y Board to send out 2 officers from BP to scan captured signal documents, Wing Cdr Oeser from BP to leave for ME and N Africa Aug 1 to examine captured documents and send back key ones to BP, wrangle between CBME, AS and A14 (c) at AM, CBME considers AM has compromised E in lower level intelligence summaries; reply from Gp Capt Winterbotham July 23 to Maj Gen PG Whiteford's letter of July 19 on supply of Sigint to forces of a new Allied Western Front; Home Forces listing of all of its Sigint DF stations with Sigint trigraphs; report of July 28 on Polish Sigint unit training at Mosul in Iraq which offers to help Allied Sigint effort; HQ Home Forces becomes HQ 21 AG wef July 29; paper by DDMI (Y) ME, Col A Tozer, on Sigint operations in Sicily and preparations for invasion of Italy July 31; AS to C July 21, E report on transfer of USAF Catalina aircraft from Ifni to Madrid with sacks of correspondence, C to pass to AM as from SIS source; AD (S) sends message to C July 27 intercepted by Portishead Radio allegedly from German ship making possible peace overtures to Naval station at Cleethorpes; AM to receive extra copies of AS BMP reports referring to US air raids for forwarding to USAF authorities July 31

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