Excerpt of the Radio Log of "U-564".
                            War Patrol from 28.7.41 to 27.8.41.  
     
 
18.08.41 1422 Position BE 37.
   
19.08.41 0106 Enemy is located in BE 2644.  "U-204".
   
19.98.41 0139 LL  BE 2564 lower-center edge.  Enemy steers 190°.  "U-201".
   
19.08.41 0313 LL BE 2568 upper-left.  Enemy steers SW-course.  "U-201".
   
19.08.41 0503 LL Square BE 2567.  Enemy steers S-course.  Was forced off.  "U-201".
   
19.08.41 0418 Weather report.  "U-564".
   
19.08.41 0625 LL  Enemy convoy in sight in square BE 2914.  Enemy steers S-course.  "U-559".
   
19.08.41 1045 BE 2869.  "U-201".
   
19.08.41 1624 LL  Square BE 5318 enemy steers southerly course.  "U-201".
   
19.08.41 1708 LL  Was forced off, last observed position of the enemy BE 5345.  "U-201".
   
19.08.41 1753 LL  Square BE 5349, enemy steers SE-course.  "U-106".
   
19.08.41 2206 Square BE 5646.  "U-564".
   
19.08.41 23.18 LL  BE 5647, course 180°.  "U-201".
   
20.08.41 0114 LL  Enemy lost from sight in square 5388.    "U-106".
   
20.08.41 15.10        Square BE 8382  46°.   "U-126".
20.08.41 1520        Square BE 8632  55°.   "U-201".
20.08.41 1434        Square BE 6486  247°.  "U-123".
20.08.41 1424        Square BE 8867  21°.   "U-124".
20.08.41 1423        Square BE 8634  39°.   "U-201".
20.08.41 1414        Square BE 8321  50°.   "U-106".
20.08.41 1509        Square BE 8368           "U-664".
20.08.41 1525        ßß  23.  "U-564".
   
21.08.41 0845        Square BE 9718 a Sunderland sighted.  "U-564".
   
21.08.41 2016 To B.d.U:
         Began return transit.  No successes.  13 + 6 torpedoes, W 4, clear, Vis. very good, 1024 mb.  Square 8868.  "U-124".
   
21.08.41 2027        CF 30348  "No".  "U-75".
   
21.08.41 2043        E 96.  "U-108".
   
21.08.41 2106        "No" BE 9790.  "U-126".
   
21.08.41 20.52        CF 30351.  "U-564".
   
21.08.41 2345        To B.d.U.:
         Will be at Point "Stern" at 23.30 hours.  "U-204".
 
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22.08.41 0140 To B.d.U.:
  Position CG 1152 bearing 25°T several flares.  "U-75".
   
22.08.41 0150 To B.d.U.:
  Square CG 1114.  6 flares.  "U-552".
   
22.08.41 0859 To B.d.U.:
  FUG 12 [typo FUG 17] antenna will not radiate.  Entering.  "U-204"
   
22.08.41 1337 Suspect convoy CG 1562.  "U-564".
   
22.08.41 1330 Aircraft sighted in CG 1535.  "U-564".
   
22.08.41 1413-1426 Bearings from "U-552" 108, 557, 75, 564.
   
22.08.41 1529 Enemy convoy in sight in CC 1645.  "U-564".
   
22.08.41 1700-2000 Bearing signals (vv).  "U-564".
   
22.08.41 1633 LL  CG 1649.  "U-564".
   
22.08.41 1851 LL  Square 1676 upper-right.  "U-564".
   
22.08.41 1945 LL  Square 1921 course 150°.  "U-564".
   
22.08.41 2245 CG 1937 enemy runs at 7 knots.  "U-564".
   
22.08.41 2200 Square 1929 enemy steers SE-course.  "U-564".
   
23.08.41 0530 11 single shots on various targets.  8 perfect hits, 4 vessels one of which probably a destroyer observed sinking.  No information available concerning size and ultimate success in part because of very great range.  ETO + 2.  Request return transit.  Square 2788.  Suhren.
   
23.08.41 1915 Last sighting of the convoy 12.00 hours in square 5164.  Position due to U-boat hunting group square 5131.  In pursuit.  U-Suhren.
   
24.08.41   To B.d.U.:
  For 8 hours port diesel clutch out of service.  Two days required for repairs.  Ready for 8 knots.  Square 1944.  "U-552".
   
24.08.41 1220 Began return transit.  "U-564".
   
25.08.41 1808 Position in 36 hours off return harbor.  "U-564".
 
     
 
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