Радиосеть предположительно "Координации ПЛО"/"Донесений ОГ"
частота 5461.5 кГц J3E/USB.
Возможно немцы, лучше слышно в районе Балтики.

Позывные:
2PU - общий вызов
4AB - не англ.
O5D - не англ.
Z5N - не англ.

14.04 поиск ПЛ
14.22 submarine warning RED
14.34 атака ПЛ COBRA LOOSE DOG BOX new explosive time min 34
14.42 потеря контакта с ПЛ lost contact track 7043 submarine warning now WHITE

Подробности:

2PU - 4AB due to hold units in TDA now submarine warning red O5D Over
- O5D Roger out
Z5N - O5D recommend zippo uniform in force
- 4AB affirmative zippo uniform in force my c/s establish warning state now O5D Over
- O5D Roger out
2PU - 4AB position datum 7037 in 092 4AB distance 6.2
2PU - 4AB new sonar contact 7040 in 086 4AB range 54
2PU - 4AB COBRA LOOSE DOG BOX in 100 4AB range 60 explosive time min 34
2PU - Z5N for .... by submarine .. not conduct ... submarine continue with gate ... out
O5D - 4AB issue your datum 7044 on Alligator
2PU - 4AB ... contact 7043 now tracking 140 with 14 knots in 116 4AB range 70 reclassified PROBSUB 7043 = posit observed submarine position
2PU - 4AB probsub 7043 116 4AB range 76 tracking 010 speed 14 knots again public observed at probsub position probsub 7043 O5D
- O5D Roger out
2PU - Z5N ... red coord ... brother c/s 4AB
2PU - 4AB probsub 7043 in 116 4AB range 80 tracking 010 speed 2 knots probsub 7043 O5D Over
Z5N - O5D kick in completed proceeding in plan red corn
2PU - O5D my parameters is sweet Z5N Over
2PU - 4AB COBRA LOOSE DOG BOX establish in 129 4AB range 66 explosive time min 44 O5D Over
2PU - 4AB probsub 7043 in 133 4AB range 60 tracking 010 speed 2 knots probsub 7043
2PU - 4AB loud and one ... bearing probsub 7043 O5D Over
- O5D Roger out
2PU - 4AB lost contact 7043 investigated out
2PU - Z5N ... submarine warning now white no Zippo in force

COBRA LOOSE - ASW-torpedo with Gyro Angle Snake Search (GASS) released and running on heading____.
DOG BOX - Area within which units may interfere with or be endangered by ASW torpedoes
PROBSUB - Contact classified as probable submarine