Chain
No.
Chain Chain
code
Location Chain
No.
Chain Chain
code
Location
01 South Baltic 0A Europe 25 Skagerrak 10B "
02 Vestlandet 0E " 26 North Persian Gulf 5C Persian Gulf &
India
03 Southwest British 1B " 27 South Persian Gulf 1C "
04 Northumbrian 2A " 28 Bombay 7B "
05 Holland 2E " 29 Calcutta 8B "
06 North British 3B " 30 Bangladesh 6C "
07 Lofoten 3E " 31 Saliyah 2F "
08 3F " 32 Hokkaido 9C Japan
09 North Baltic 4B " 33 Tohoku 6C "
10 North West 4C " 34 Kanto 8C Japan
11 Trondelag 4E " 35 Shikoku 4C "
12 English 5B " 36 Hokuriku 2C "
13 North Bothnian 5F " 37 Kita Kyushu 7C "
14 Southern Spanish 6A " 38 Namaqualand 4A Southern Africa
15 North Scottish 6C " 39 Cape 6A "
16 Gulf of Finland 6E " 40 Eastern Province 8A "
17 Danish 7B " 41 South West Africa 9C "
18 Irish 7D " 42 Natal 10C "
19 Finnmark 7E " 43 Dampier 8E Australia
20 French 8B " 44 Port Headland 4A "
21 South Bothnian 8C " 45 Anticosti 9C Northern America
22 Hebridean 8E " 46 East Newfoundland 2C "
23 Frisian Islands 9B " 47 Cabot Strait 6B "
24 Helgeland 9E " 48 Nova Scotia 7C "
