LORAN C UPDATED: April 14, 2007

US EAST COAST CHAIN 1957 – 1965 MARTHA’S VINEYARD 41 20N – 70 49W Y CAROLINA BEACH Present N W M JUPITER INLET Present N W Station relocated approx 2 miles north 1962 X S-0/1957 – 1962 SL-0/ Y NANTUCKET Present N W Replaced Martha’s Vineyard First Proven Loran System Status “Experimental” until 1962 “Operational” 1962

US EAST COAST CHAIN SS0/1966 – 1969 SS7/1969 – /1975 – 1978 Y X W JUPITER 1957 – Present N W CAROLINA BEACH 1957 – Present N W NANTUCKET 1962 – Present N W M CAPE RACE 1966 – Present N W NOTE: WILDWOOD used as temp Master or Slave “T” CARIBOU USED as Slave S Z DANA 1967 – Present N W BERMUDA N W EGLIN N W 7930-Z

NORTHEAST US CHAIN SENECA 1978 – Present N W 9960/ Present CARIBOU 1978 – Present N W M W X NANTUCKET 1962 – Present N W CAROLINA BEACH 1957 – Present N W Y DANA 1966 – Present N W Z PLUMBROOK N W CAPE ELIZABETH 43 34N – 70 12W SANDY HOOK N W MAYPORT N W 5930-X 5930-M 7980-Z 8970-M8970-X

CANADIAN EAST COAST CHAIN 5930/ PRESENT NANTUCKET N W PRESENT CARIBOU N W PRESENT CAPE RACE N PRESENT FOX HARBOR PRESENT Z Y M X 7930-W 9960-W 7930-M 9960-X

LABRADOR SEA CHAIN FOX HARBOR N W 7930/ CAPE RACE N W ANGISSOQ N W X M W 7930-Z 5930-Y

NEWFOUNDLAND EAST COAST CHAIN 7270/ Present COMFORT COVE N W CAPE RACE N W FOX HARBOR N W M X W 5930-Y 5930-Z

NORWEGIAN SEA CHAIN SL-6/1959 – 1964 SL-0/1964 – 1966 SL-3/1966 – / Chain Code Name: RAIL X BO, NORWAY 1959 – N E M EJDE, FAEROES 1959 – N – W SANDUR, ICELAND 1959 – N – W Y JAN MAYEN N W SYLT, GERMANY 1964 – N – E W Z SHETLAND N W SL-7-W 7930-W 9980-M SL-7-X ( ) 7930-X ( ) 9980-X ( ) ON AIR Mar 1960

NORTH ATLANTIC CHAIN 1966 – 1983 M SL-7/1966 – / ANGISSOQ 1966 – N W CAPE RACE 1966 – N W Z EJDE 1959 – N W X SANDUR 1959 – N W W SL-3-M 7970-M SL-3-Y 7970-Y KEFLAVIK N W ST ANTHONY N W SS-0-X ( ) SS-7-X ( )

ICELANDIC CHAIN / SANDUR N W EJDE N W M X ANGISSOQ N ,47W W 7930-X 7970-M

MEDITERRANEAN CHAIN ESTARTIT, SPAIN Oct 1961 – Dec N E Z MATRATIN, LIBYA N – 18 24E SL-4/1959 –1966 SL-1/1967 – / LAMPEDUSA AUG DEC N E KARGABARUM, TURKEY AKA: TUSLOG DET 52 AKA: TARGABARUM 1959 – 1993* N E Chain Code Name: TACK 1 ST OPERATIONAL CHAIN SELLIA MARINA, ITALY AKA: SIMERI CRICHI 1959 – N E SL-4/X SL1-7990/Y M SL-4/Y SL-1/X X Construction started DEC 58…ON AIR AUG 59 RHODES N E SARDINIA N E

GREAT LAKES CHAIN 8970/ Present DANA 1967 – Present N W MALONE 1978 – Present N W SENECA 1978 – Present N W BAUDETTE 1978 – Present* N W M W X Y MUSKEGON 43 13N – 86 16W MABLEHEAD 41 32N – 82 43W ELGIN N W MAYPORT N W BOISE CITY Present Z 8290-W 9610-M (1991) 9960-Z 7980-M 9960-M

US NORTH CENTRAL M 8970-Y BAUDETTE N WW 8290/1991-PRESENT GILLETTE N W X 9610-V HAVRE N W WILLIAMS LAKE N W Y 5990-M W

US SOUTH CENTRAL 9610/ PRESENT 8970-Z BOISE CITY N W GRANGEVILLE W 7980-W RAYMONDVILLE X Z Y X LAS CRUCES N W W SEARCHLIGHT N W 9940-Y V GILLETTE N W 8290-X M

SOUTHEAST US CHAIN 7980/ Present MALONE 1978 – Present N W GRANGEVILLE 1978 – Present N W RAYMONDVILLE 1978 – Present W M X JUPITER 1957 – Present N W Y CAROLINA BEACH 1957 – Present N W MAYPORT N W Z EGLIN N W SABINE PASS 29 40N –93 50W 9960-Y 9610-Z 8970-W 9610-Y

US WEST COAST CHAIN 9940/ Present M FALLON 1977 – Present N W GEORGE 1977 – Present N W W MIDDLETOWN 1977 – Present N W SEARCHLIGHT 1977 – Present N W Y X PT PINOS N W NORTH BEND N W 9610-W 5990-Y

CANADIAN WEST COAST GEORGE 1977 – PRESENT W Y 5990/ PRESENT 9940-W PORT HARDY N W Z SHOAL COVE N W X M WILLIAMS LAKE N W 7960-Y 8290-Y JUNEAU N W ALBERT BAY N W NORTH BEND

GULF OF ALASKA M TOK 1977 – Present N W NARROW CAPE 1977 – 1990 KODIAK Present N W 9990-Z X 7960/ Present SHOAL COVE 1977 – Present N Y 5990-X KODIAK Monitor N W JUNEAU N

NORTH PACIFIC OCEAN ST PAUL 1960 – Present N W SL–2/1960 – 1969 SH-7/1969 – /1975 – / Present M ATTU 1960 – Present N W SL-2/Y SH-7/X 5930/X 9990/X PORT CLARENCE 1961 –Present N W SITKINAK 1960 – N – W SL-2/Z SH-7/Y 5930/Y 9990/Y 9990/Z SL-2/X SH-7/Z 5930/Z NARROW CAPE 1977 – 1990 KODIAK Present N W 7960-X KODIAK Monitor N W AKA: Bering Sea Chain early 60’s

NORTHWEST PACIFIC CHAIN SS-3/ / /1981(IWO O/A) 9970/ M IWO JIMA 1964 – N E HOKKAIDO 1964 – N E 7930 YANKEE X MARCUS* 1964 – N E *Master when Iwo off air W GESASHI 1964 – N E 7930 X-RAY YAP 1964 – N E Y Z BARRIGADA Z SAIPAN N W KAMISEYA N E Chain reconfigured Mar 64 – Dec 64 due to Towers failure at Iwo and Yap. Again in 1981 for tower Iwo.

CENTRAL PACIFIC CHAIN M JOHNSTON ISLAND 1961 – N W SH-4/ S-1/ / UPOLA POINT 1961 – N W X KURE ISLAND 1961 – N W Y FRENCH FRIGATE N W AKA: Hawaii Chain early 60’s 850 MILES 802 MILES

SOUTHEAST ASIA CHAIN S3/ SH-3/ M Y X CONSON 1966 – N – E LAMPANG 1966 – N – 99 23E SATTAHIP 1966 – N – E Z TAN MY 1969 – N – E UDORN 1966 – 1975 MONITOR 353 miles 407 miles