Summary of the Secret - Radio Log
	1.) KR  KR     5. R-Fl.,  5. M-Fl.,  6. M-Fl.     Flotilla is sighted by enemy reconnaissance and reported.  Count on air attacks.  Fighter cover is sent furthermore.                                          Seekommandant Stavanger         2.) KR  KR     1.  11.40 hours, distress at sea a Ju 88, grid 2231 additionally 05 E     2.  12.10 hours, distress at sea a Ju 88 grid 2282 additionally 05 E                                          B.S.W. (Befehlshaber der Sicherung West)         3.) U-73 report passing 60°N and 2°E                                          B.d.U.         4.) Sea Intelligence   1.  Light ship KARL K.S.B. Chart North Sea sector 2 No. 3K once more in position.   2.  Light ship RICHARD K.S.B. Chart North Sea sector 3 No. 7K exact position taken.   3.  K.S.B. Chart sector 3 No. 7K exact position taken     5.) Sea Intelligence     France area Lucie Anton Loubre lighted buoy "Sofie Bruno" Chart west France "Wilhelm Ceasar" No. 10 in the vicinity 10 nm mines suspected closed.         6.) Sea Intelligence Elbe     Light ship KARL drifting.  Position undetermined because of poor weather conditions at present.         7.) Sea Intelligence Jade     Light ship DORE northwest drifting.  S.B. Chart North Sea 4 No. 2103.                                          North

Click the flag to view the above page from the original German KTB

	8.) All     Closure 3152, 3155, 3156 Anton Nanni abolished.                                          Admiral Westküste         9.) On 13 February from 12.00 hours to 15.00 hours Transmitter Kootwyk out of service.                                          B.d.U.         10.) KR  KR     Unknown English unit 19.23 hours AN 8514                                          F.d.U.         11. KR  KR     Befehlshaber der Sicherung der Ost     In AN 3626 U-boat detected with K.D.B. depth charges thrown.  Afterwards no sounds.  Attack success doubtful.                                          M 1905         12.) The requirement to check forward ballast tanks regularly at least every 2 hours is reminded.                                          B.d.U.         13.) All     07.40 hours S-boat departed "Harwich"                                          Gruppe West         14.) KR  KR     AN 2994, 2991"Karmound" is closed because of mine danger.                                          Seekommandant Stavanger         15.) Sea Intelligence     Lighted buoy "Slugen" North of about 55° 34'N, 7° 30'E drifting about 55° 45'N, 7° 30'E         16.) Short Signal     Have in the North Sea passed 60° 50'N                                          U-69

	17.) Sea Intelligence Norway     Closure of AN 3161 is lifted.         18.) U-147     "Marstein"-lighthouse will light from 20.00 to 21.10 hours, then hourly for 10 minutes.  At 10.00 hours M1101 will be positioned at AN 2485.                                          Gruppe North         19.) Will be in position to enter port in 12 hours.                                          U-147         20.) U-69     Position report AM 31 understood.  Switch immediately to Atlantic Circuit                                          B.d.U.         21.) U-69     Operational orders require that boat make North Sea passage report by Short Signal.         22.) No Short Signal given per operations order V sub-paragraph a 6+7.                                          B.d.U.         23.) From Administration     Short Signal received 05.50 hours.  Contents confirmed by B.d.U.         24.) Plan on U-Boot movements by day at Lorient                                          B.d.U.         25.) KR  KR     Plan on enemy S-boats in the Harwich area.                                          Gruppe West         26.) Attack area for Italian boats shifted to the north to including AL 25-36.                                          B.d.U.         27.) KR  KR     1.  Own aircraft reported:

	A convoy 14.30 hours, AM 3442, 45 medium steamers, course west.     2.  U-73, 107, 48, 96, 69, 103 take up position in patrol line on 20 February at 12.00 hours.                                          B.d.U.         28.) U-46     Reference area between the Faroes, Shetlands and Cape Wrath. Traffic mainly neutral from Pentland Firth to the north, furthermore, from the west to the northern tip of the Shetland Fair Isle Passage off Pentland Firth assumed.         29.) KR  KR     All     Convoy probably positioned at 12.30 hours in AM 4514, course 240°, 6 knots.     U-73 - U-69 at highest possible speed occupy patrol line from AL 3821 to AE 0362.                                          B.d.U.         30.) KR  KR     All     Route Rosa closed between Point 31 and 32 due to enemy mines.                                          Gruppe West         31.) U-148 proceed on 22 February at 00.30 hours from Bergen to the Atlantic.  U-97 position midnight approximately AN 2941 proceeding to the north.  U-147 immediately switch to Atlantic Circuit.                                          B.d.U.         32.) Short Signal:  Have passed 2° E in the North Sea.                                          U-147         33.) KR  KR     Convoy 09.50 hours not AN 1436 but rather AM 2321, westerly course, 7 knots, search for contact.         34.) U-147 boat reported by Short Signal passing 2° in the North Sea.                                          B.d.U.         35.) Very low frequency transmitter out of service since 13.02 hours.  Operations for Atlantic and North Sea from transmitter Kootwyk on 17850 meters.                                          B.d.U.

	36.) Own aircraft report:     09.30 hours convoy in AE 1436, course 260°, medium speed.     U-46, U-552 operate on it.                                          B.d.U.         37.) To enhance the effect of hits against targets more than 8000 GRT depth settings of draught plus 3 meters approved.                                          B.d.U.         38.) No traffic, only escorts.                                           U-147         39.) U-147     Boat reported by Short Signal "no traffic"                                          B.d.U.         40.) U-97 attack area north of U-108 from 61° 40'N for U-147 focal point vacated.                                          B.d.U.         41.) Incoming boats expect increased submarine and air danger.                                          B.d.U.         42.) U-147     After fuel is exhausted begin return transit to homeland.  Additionally, fuel supplement at Bergen                                          B.d.U.         43.) From today, aircraft send their bearing signals on "F" band currently on 670 meters.                                          B.d.U.         44.) Advance my operations area to the northern part of AM                                          U-147         45.) U-147 reports shifting own operations area to the northern part of AM.                                          B.d.U.         46.) U-70 disabled motor vessel "MODARIA" position 28 February 14.00 hours AE 7682.  Tug underway there.                                          B.d.U.         47.) All boats     Report situation report if boat is detected in accordance with. Operations Order Paragraph V is reminded.                                                                                                  report

	Reports about situation on the traffic routes particularly important.      U-108 at the next opportunity, report observations on duration of stay and area around Iceland.                                          B.d.U.         48.) Medium traffic.  Sank 1 freighter 9000 GRT.  3 Etos remaining.                                          U-147         49.) U-147 and all boats     Indicate position when sending radio messages.                                          B.d.U.         50.) With in contact with the enemy maintain contact.  During the day only do not announce attack.  Other boats short signal "yes" if on the convoy and attack.                                          B.d.U.         51.) Heavy inbound and outbound traffic from the Minch to Faroe Bank.  Steamers escorted by aircraft.  Detected in AM 2265.                                            U-147         52.) 2 Eto failures on a 7000 GRT and BRITANNIC.  Firing range 250 -500 meters.  Out of torpedoes.  Question Bergen.  AE 3327                                          U-147         53.) For information.  UA was estimated in AE 89 this morning.                                          B.d.U.         54.) U-147.     Bergen or direct return transit to homeland according to fuel supply.                                          B.d.U.         55.) B.d.U.     Heavy traffic AM 12 and 21.  (One tube clear) 6 torpedo failures.  5 missed shots.  2 hits 12000 ton tanker AM 23.                                          U-552         56.) Intend to return via Route Blue.                                          U-147         57.) Plotted position this morning:  U-147 AE 79 inbound.  U-74 the same quadrant outbound.                                          B.d.U.         58.) Today 14.00 U-74 switch Atlantic Circuit,  U-147 go to North Sea Circuit.  Transmission of 2 groups in a short signal by U-74 was incorrect.                                          B.d.U.

	59.) Heavy independent and outbound traffic from the North Minch towards Faroe Bank.  Advances there by U-99, U-47, U-108 recommended.                                          B.d.U.         60.) Have passed 59° N east of 2° E in the North Sea.                                          U-147         61.) U-147.     Bear in mind North Sea passing report.                                          B.d.U.         62.) Have passed 57° 30' N in the North Sea.                                          U-147         63.) U-147     Reported passing 57° 30' N in the North Sea.                                          B.d.U.         64.) Going on Route Blue for Helgoland.  Will report 24 hours away by Short Signal.                                          U-147         65.) KR  KR     All.     Between 20.00 and 21.00 hours enemy S-boats from "Harwich-Bereich" Route Sunk-lightship outbound.                                          Gruppe West         66.) Please transmit signals Gruppe I for 4-6 hours.                                          U-147         67.) U-147 requested transmit signals Gruppe I for 4-6 hours.                                          B.d.U.         68.) U-147     Radio beacons Lister, Haustholm and Lingwig are ordered from 22.00 hours to 04.00.                                          Gruppe North         69.) U-147     First go to Helgoland.  Announce prospective arrival.                                          Gruppe North         70.) Position in 24 hours for entering port.                                          U-147         71.) U-147 message center B.d.U.     Enter Helgoland by Point H and A.  Wait for Helgoland mine convoy.                                          Gruppe North         72.) Sea Intelligence     About 54° 0'N and 7° 35'E 2 vessels report on 600 meters contact with underwater obstruction.                                          Gruppe North

	73.) English S-boats sortie from "Harwich" expected tonight.                                          Gruppe West