Sources

Less of this article than usual has been pieced together from individual ULTRA signals. For the overall framework of events, I have used the series of daily reports on “German Naval Air Activity” which synthesised ULTRA, Y-Service, PoW and other information. Despite their title, these reports cover just about any flight known to have crossed the coast of occupied Europe. In any event, 1943 ULTRA is largely unfamiliar territory for me, with the more familiar reporting numbering systems only introduced toward the end of the year.

ULTRA naval messages are available online and free of charge from the National Archives and I have made some use of them, but where aviation-related messages are concerned one is looking for the proverbial needle in a haystack. A typical file covers three or four days and contains about 1,000 messages, most only a few words long, and perhaps two of them will relate to Kdo. Rastedter. Incidentally, Western Front naval ULTRA for the period has serial numbers in the format ZIP/ZTPG/[five-digit number]. Z or ZIP seems to have been the Admiralty’s term for special intelligence and ZTPG may = ZIP Teleprint Germany. As I found from looking at the wrong files, there are addtional series for U-boats (ZIP/ZTPGU), the Mediterranean (ZIP/ZTPGM) the Italian Regia Marina (ZTPGI) and the Russian Front (ZIP/ZTPGR).

The National Archives, Kew, London

ADM223/7

Papers based on information from Z sources (1944–1945)

AIR14/3597

Air Technical Scientific Intelligence Translation No. 3, Anti-Jamming Procedures for Flak Control Radar

AIR40/2416

A.D.I.(K) Reports Nos. 10 & 38/1944

AIR40/2417

A.D.I.(K) Reports Nos. 214, 219 & 231/1944

AIR40/2423

ADI(K) Report No. 380/1945

DEFE3/9, 10, 12, 13

Main series of reports conveying intelligence to Allied commands based on intercepted radio messages (2–20 December 1943)

DEFE3/298, 299

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (8–16 August 1943)

DEFE3/346, 347

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (4–10 October 1943)

DEFE3/358

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (11–15 November 1943)

DEFE3/364–365

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (3–10 December 1943)

DEFE3/367

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (13–16 December 1943)

DEFE3/386

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (14–18 February 1944)

DEFE3/391–3

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (29 February–9 March 1944)

DEFE3/407–408

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (16–23 April 1944)

DEFE3/719–724

Intelligence from intercepted German, Italian and Japanese radio communications, WWII (22 May–8 December 1943)

HW5/378–593

Government Code and Cypher School: German Section: Reports of German Army and Air Force High Grade Machine Decrypts (CX/FJ, CX/JQ and CX/MSS Reports) (October 1943–August 1944)

HW13/26

Intelligence assessments of GAF operations and reactions, including activities of experimental bomber units, EX.SALU/1-EX.SALU/30 (Apr 5 1942–Jan 12 1944)

HW13/106

Weekly reports on GAF bomber and reconnaissance activity, CX/MSS/SALU/WEST 807–847 (1943 Apr 25–1944 Apr 5)

HW 13/37

German Naval Air Activity, Vol.XI (1 October–31December 1943)

HW13/38

GNA Vol. XII, OPD 1086–1129 (1 January–31 March 1944)

HW13/39

GNA Vol. XIII, OPD 1130–1250 (1 April–31 July 1944)

HW13/40

GNA Vol. XIV (1 August–1 October 1944)

AIR22/500

Air Ministry W/T Intelligence Service Daily Summaries, nos. 1549–1700 Vol.25 (1 December 1943–30 April 1944)

AIR22/501

Air Ministry W/T Intelligence Service Daily Summaries, nos. 1701–1825 (1781 & 1812 missing) (May–August 1944)

Imperial War Museum, Lambeth, London

GER/MISC/MCR/18, reels 20–24: General Quartiermeister 6. Abt. records of lost and damaged aircraft (August–December 1943)

Books

Ulf Balke: Der Luftkrieg in Europa, Band 2 (Bernard & Graefe, 1990) ISBN 3-7637-5884-4

Chris Goss:

Bloody Biscay (Crécy, 1997) ISBN 0947554629

 

Sea Eagles, Volume One (Classic, 2005) ISBN 978 1 903223 55 0

 

Sea Eagles, Volume Two (Classic, 2006) ISBN 978 1 903223 56 7

Juan-Carlos Salgado: Focke-Wulf Fw 200 Condor (Classic, 2009) ISBN 978 1 903223 96 3

Martin Streetly: Confound And Destroy, 100 Group and the Bomber Support Campaign (McDonald and Jane’s, 1978) ISBN 0354 01180 4

Online

4./FAGr. 5, Flugzeugbestand- und Bewegungsmeldungen:

http://www.ww2.dk//oob/bestand/aufkl/b4fagr5.html

British Admiralty War Diaries:

http://www.fold3.com

A.S.V. radars:

http://uboat.net/allies/technical/uk_radars.htm

http://www.rquirk.com/cdnradar/cor/chapter17.pdf

Fachvorträge über Schiffsfunkortung beim Oberkommando der Kriegsmarine vom 9. –10.3.1944:

http://www.cdvandt.org/OKM%20Kapt%204.pdf

http://www.cdvandt.org/OKM%20Kapt%205.pdf

He 111 Stammkennzeichen:

http://forum.12oclockhigh.net/showthread.php?t=45373

Kapitänleutnant Hermann Rasch:

http://uboat.net/men/rasch.htm

http://www.ubootarchiv.de/ubootwiki/index.php/Hermann_Rasch

Kommando Rastedter:

http://forum.axishistory.com/viewtopic.php?t=118248

Monthly War Diaries, German Naval Staff Operations Division:

https://archive.org/search.php?query=subject%3A%22World+War%2C+1939-1945+--+Naval+operations%2C+German%22&sort=titleSorter&page=2

Monthly War Diaries, Befehlshaber der Unterseeboote:

http://www.uboatarchive.net/BDUKTB.htm

“Thetis” decoys:

http://www.ibiblio.org/hyperwar/ETO/Ultra/SRH-025/SRH025-2.html

German airborne radio equipment, 1939–45:

http://www.deutscheluftwaffe.de/archiv/Dokumente/ABC/f/Funk/bordfunkgereate/Bordfunkgereate.html

U-736:

http://uboat.net/boats/u736.htm

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