Excerpt of the General Radio Log
  
 
"U-594"
  
     
     
 
27.03.43    
00.15 -  97 - From U-594:
    My position is naval square Bruno Emil 65.
     
08.20 - 103 - From Trojer:
    Steady tome.  Monday at meeting point.
     
18.00 - 114 - From Möglich:
    Operating from naval square Anton Jota 6121 on east side.  Position 140 nm astern.  53 cbm. 
    Question:  Is supply anticipated.
     
28.03.43    
05.54 - 135 - From Kessler:
    Was submerged all day today due to piston replacement port diesel, only once weather.
     
29.03.43    
20.15 - 147 - From Mumm:
    28 March during test dive 2 detonations at depth A -40 meters similar to aircraft bombs.
    1.)  Crack between negative buoyancy tank and main ballast and reserve fuel oil tank.
    2.)  2 times 4 cm leak forward edge of 4 port waterline, pushed in, oil loss 7 cbm.  Suspect explosive device.  Deep dive test 25 March to depth A +40 meters.  Square AL 8854.  Weather Serial Nos. 164, 174, 183, 196 not solved.
     
30.03.43    
04.56 - 159 - From Bülow:
    Naval square Bruno Emil 5392 sound bearing convoy in 135°T.
     
02.04.43    
11.58 - 196 - From Karpf:
    In Serial No. 894 from 1 April all after W 56 unclear here.
     
04.04.43    
17.01 - 229 - From Schetelig:
    Operating on Lange-report until 10 cbm.  Position naval square Anton Karl 5149.
     
15.05 - 231 - From Lange:
    Forced off by destroyer.  Listening pursuit.  Convoy 15.00 hours naval square Anton Karl 4388.
     
05.04.45    
03.40 - 249 - From Purkhold:
    Naval square Anton Karl 0114 star shells and light rockets.
     
02.35 - 250 - From Purkhold:
    Position naval square AK 0118.  Convoy sound band.
 
     
     
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05.04.43    
13.44 - 274 - From U-594:
    Convoy square AK 1698.
     
11.50 - 277 - From Mumm:
    1.)  Since 12.00 today no Radio Messages decoded.  Question changed keyword.
    2.)  13.44 hours sent Short Signal 1699.
    3.)  Enemy position 17.00 hours:  2722, 80°, 9 knots.  New navigation fix.  Dived before aircraft.  Square Anton Karl.
     
21.05 - 296 - From Mumm
    Convoy located 2811, main course east.
     
22.45 - 301 - From U-594:
    Enemy square AK 2821.
     
06.04.43    
03.07 - 315 - From Karpf:
    01.36 hours naval square AK 0354 sank, type British "NARDANA".  Request orders, 21 cbm.
     
03.30 - 316 From Brosin:
    02.15 hours star shells shot by destroyer.  Naval square AK 2672.
     
22.15 - 317 - From Kummetat:
    In the last night during attack forced to submerge by destroyer.  Listening, sounding, depth charges.  During subsequent pursuit straggler from another boat shot before us.  Strong sinking sounds.  Air bubble trace.  AK 2385, 28 cbm, all torpedoes, return transit.
     
03.35 - 319 - From Mumm:
    01.15 hours during attack star shells and artillery fire.  Listening pursuit, no contact.
     
23.57 - 321 - From Lange:
    Naval square AK 2521 at 22.00 hours 9000 GRT tanker course 30°, 11 knots sunk with 3 hits.  9 Etos, 6 unusable, A-tos, 85 cbm.
     
06.04.34    
01.08 - 325 - From U-594:
    Enemy position square AK 2697, course 90°.
     
09.08 - 327 - From Brosin:
    Naval square Anton Karl 2666 convoy 4 vessels NE-course, 7 knots.
    3-miss on star shell shooting suspicious 4000 tonner, straggler.  Forced off by destroyer.  Out of service also control room periscope unusable at the moment.  9 Etos, 2 Atos, 12 cbm.  Going to supplier.
     
13.34 - 334 - From Mumm:
    10.35 hours AK 3731 attacked by Boeing.  Damage still not assessed.  Moving off.
 
     
     
     
 
- 3 -
  
 
 
06.04.43 - 340 - From Karpf:
27.10   1.)  Naval square 3851 several steamers, 1 destroyers, convoy about 3865, continual air.
    2.)  There 15.07 hours destroyer torpedoed with Pi 2, sinking sounds, sinking not observed.
    3.)  18 cbm, 5 + 2 torpedoes, question supply anticipated.
     
23.04 - 350 - From U-563:
    18.10 hours naval square Anton Luci 1718 medium sound band, bearing 70°T, Pursuit unsuccessful.  Position Anton Lucie 1811 certain, in pursuit in 80°T.
     
23.58 - 351 - From Born:
    11.00 hours naval square Anton Karl 3843 from land-based Consolidated aircraft bombs.  Attack periscope out of service.  2 Ida leaking.  To battery 2 250 liters in 12 hours.  27 cbm.  Going to supplier.
     
02.32 - 352 - From U-563
    02.15 hours naval square Anton Luci 1831 bearing 70°T, 30° wide sound band medium strength.
     
07.04.43    
16.25 - 370 - From Mumm:
    1.)  Major damage:
    Pressure hull crack torpedo compensating tank 1 and 1i, compressor foundation, diesel foot valve jammed open, 2 bottle groups, banging port shaft, ETO-batteries.  Limitedly clear to dive to depth A meters.
    2.)  To Serial No. 109 from 29 March:  evidence supports explosive device.
    3.)  Square AK 6294, 75 cbm, return transit, high pressure weather.
     
21.10 - 374 - From Mumm:
    Key Serial No. 728, Xant Richard Cäsar Anton.
     
13.04.43 - 497 - From U-594:
    Position 48 hours off meeting point with escort.
     
19.09 - 511 - From Mumm:
    Will reach escort meeting point 14 April, will join Wolf.