[SeaWolf U-57]

Usually a none at station is marked "-100"
as you say in blue is Z01_30=11 ; "whatever" So this is tower-year-type.
M01_30=-100 so this is no deck gun at station (0= large gun. 1=small)
A01,2 small aa guns S01 large aa gun mount

in orange ...

SuperCharger_30=-1 (supercharger-year=-1 none at station)

Ok as an example .... Decoy_Launcher_30=1284 ( the number at the end relates to the type of item used in this case Bold type 1 where as 1288 is Bold type 5

All items are listed at the end of the basic file and contain the end numbers within the items list I.E .....

NameIdx4=1288
Year4=1939
Month4=1
NbSub4=4
Sub40=0
Sub41=1
Sub42=2
Sub42=3
Renown4=0
Name4=BoldType5

[AMMO_TYPE0];10.5cm SK C/32
Idx=0
Year=1939
Month=1
SS=100
AP=100
HE=1500
Renown=0

[AMMO_TYPE1];8.8cm SK C/35
Idx=1
Year=1939
Month=1
SS=100
AP=100
HE=1500
Renown=0

[AMMO_TYPE2];3.7cm FK M 42 Twin
Idx=2
Year=1939
Month=6
AP=50
AA=8000
Renown=0

[AMMO_TYPE3];3.7cm FK M 42
Idx=3
Year=1939
Month=6
AP=800
AA=1200
Renown=0

[AMMO_TYPE4];3.7cm SK C/30
Idx=4
Year=1939
Month=1
AP=400
AA=800
Renown=0

[AMMO_TYPE5];2cm FK C/38 Flakvierling
Idx=5
Year=1939
Month=5
AP=12000
Renown=0

[AMMO_TYPE6];2cm FK C/30 Flakzwiling
Idx=6
Year=1939
Month=7
AP=2000
Renown=0

[AMMO_TYPE7];2cm FK C/38
Idx=7
Year=1939
Month=1
AP=1000
Renown=0

[AMMO_TYPE8];2cm FK C/30
Idx=8
Year=1939
Month=1
AP=1000
Renown=0

[AMMO_TYPE9];2cm FK C/38 Flakzwiling XXI
Idx=9
Year=1939
Month=4
AP=4000
Renown=0

[AMMO_TYPE10];2cm FK C/38 Flakzwiling
Idx=10
Year=1939
Month=7
AP=8000
Renown=0



hope this helps you out