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ULTRA "Main Series of Reports to Allied Commands", file references for 1944–45

Year/month

DEFE3/
reference

Dates messages deciphered

Message numbers

 

 

 

 

1944

 

 

 

January

16

27 Dec 43–1 Jan 44

VL 2751–3000

 

17

1–5

VL 3001–3250

 

18

5–8

VL 3251–3500

 

19

8–12

VL 3501–3750

 

129

12–15

VL 3751-4000

 

130

15–19

VL 4001–4250

 

131

19–22

VL 4251–4500

 

132

22–25

VL 4501–4750

 

133

25–28

VL 4751–5000

 

134

28–31

VL 5001–5250

 

135

31 Jan–4 Feb

VL 5251-5500

February

136

4–8

VL 5501–5750

 

137

8–10

VL 5751–6000

 

138

10–14

VL 6001–6250

 

139

14–17

VL 6251–6500

 

140

17–21

VL 6501–6750

 

141

21–24

VL 6751–7000

 

142

24–27

VL 7000–7250

 

143

27 Feb–1 Mar

VL 7251–7500

March

144

1–6

VL 7501–7750

 

145

5–8

VL 7751–8000

 

146

8–12

VL 8001–8250

 

147

12–15

VL 8251–8500

 

148

15–18

VL 8501–8750

 

149

18–21

VL 8751–9000

 

150

21–24

VL 9001–9250

 

151

24–27

VL 9251–9500

 

152

27–29

VL 9501–9750

 

765

29 Mar–1 Apr

VL 9751–9999

April

35

1–5

KV 1–250

 

36

5–8

KV 251–500

 

37

8–11

KV 501–750

 

38

11–14

KV 751–1000

 

39

14–17

KV 1001–1250

 

40

17–20

KV 1251–1500

 

41

20–23

KV 1501–1750

 

42

23–25

KV 1751–2000

 

43

25–28

KV 2001–2250

 

44

28 Apr–1 May

KV 2251–2500

May

45

1–3

KV 2501–2750

 

46

3–6

KV 2751–3000

 

47

6–9

KV 3001–3250

 

153

9–11

KV 3251–3500

 

154

11–13

KV 3501–3750

 

155

13–16

KV 3751–4000

 

156

16–17

KV 4001–4250

 

157

17–19

KV 4251–4500

 

158

19–21

KV 4501–4750

 

159

21–26

KV 4751–5000

 

160

24–26

KV 5001–5250

 

161

26–28

KV 5251–5500

 

162

28–30

KV 5501–5750

 

163

30 May–1 June

KV 5751–6000

June

164

1–3 June

KV 6001–6250

 

165

3–5 June

KV 6251–6500

 

166

5–7 June

KV 6501–6750

 

167

7–8 June

KV 6751–7000

 

168

8–10 June

KV 7001–7250

 

169

10–11 June

KV 7251–7500

 

170

11–12 June

KV 7501–7750

 

171

12–14 June

KV 7751–8000

 

172

14–15 June

KV 8001–8250

 

173

16–17 June

KV 8251–8500

 

174

17–19 June

KV 8501–8750

 

175

19–21 June

KV 8751–9000

 

176

21–23 June

KV 9001–9250

 

177

23–25 June

KV 9251–9500

 

178

25–27 June

KV 9501–9750

 

179

27–28 June

KV 9751–9500

 

48

29–30 June

XL 1–XL250

 

49

30 June–2 july

XL 251–500

continued on next page …

PART ONE OF THREE


 

Notes:

(a) Messages are arranged in series of 9999, each prefixed by two letters (e.g. HP1–HP9999)

(b) Each file contains 250 messages, usually arranged from the highest numbered first to the lowest last.

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