BP staff recruitment, liaison with Cambridge University, staff for DF Exchange at...

HW 14/53

1942 Sept 21-30

BP staff recruitment, liaison with Cambridge University, staff for DF Exchange at BP; investigations into careless talk; HAS bids for promotion and salary increases for named AS personnel at BP, Cheadle and in ME; WRNS Quarters Officers to be given access to all WRNS working premises; filing of CX/MSS reports in Reading Room, keys in SALU; letter from AD (S) to Chairman Y Committee on classification and handling of Sigint material; paper by Lt Col Sayer on W/T I in relation to cryptography and production of intelligence, comments from AD (S) Sept 26-28; AS report of Research and Exploitation for period Sept 16-30; ACASI sends proposed programme to HAS for his visit to BP on Oct 1; working aids for intercept of Spanish comms, parcel of Spanish and French Sigint working aids for Sgt Bowman, waiting at 50 Sigs Depot for posting to 351 WU Gibraltar; Hut 6 work on Med E keys Sept 30; urgent ISOS/ISK agent material to be teleprinted to WO, Sept 24; BP requests weekly cover returns from Services; BTM manufacturing 40 high speed Cantabs for BP with Admiralty funding, need for BTM employees at Letchworth working for BP to sign Official Secrets Act, progress on building of experimental Cobra Type WW electrical machine for BP by Mawdsleys of Dursley, Glos; order from AD (S) to HAS on future handling of gossipy type Sigint on senior German officers; AD (S) sends more French Resistance decodes to MI-6; ISSIS Selection Board comments on candidates for Army Sigint Course at Bedford, interviews on Sept 30 for next ISSIS course, programme for second course in Nov/Dec, RAF Sigint Course at 50 Sigs Depot Sept 14-26, course results, list of frequencies suitable for practice interception; exchanges between EWT in Washington and AD (S) at BP, DNI also in Washington, exchanges between HAS and Dr Mc'Vittie in Washington, need to improve US met cyphers, liaison with Army and Navy Departments, letters between AGD and Major Stevens in Washington, letter from Canadian D of I to AGD; Sigint exchanges with Kilindini, Australia and GOC-in-C West Africa; liaison with WO and AM, DDI4 at AM questions HAS on Sigint working practices at RAF Cheadle; correspondence with Col Crankshaw in Moscow, Russians to give raw police traffic to Crankshaw, British Embassy Moscow to send it to British Embassy Tehran en route to UK; correspondence with CBME, DMI to DMI ME, ME not to be given full responsibility for Italian processing and reporting; reports by F/O RE Gunn, leader of Sigint team on board HMS Scylla, part of a large northern route convoy en route to Russia; third special interrogation of German Sigint officer POW, summary by DDMI (O) sent to DMI ME; search for German beacons dropped in UK; Paprika deception plan code; French TSF Services in Algeria; training material for US Sigint organisation in UK; table showing percentages of DF error by frequency band for DF stations at Sutton Valence, Montrose, Helston, Perton and Thurso; EX/SALU 10 of Sept 26, GAF activity in Western Med

Public Record(s)

Open Document, Open Description

Topics

Manufacturing

Asia

Europe and Russia

Air Force

Conflict

Pay and pensions

Policing

Australia and Pacific

Intelligence

Navy

Middle East

Communications

Armed Forces (General Administration)

Operations, battles and campaigns

Africa