| Station Name |
Months |
Country |
Earliest |
Most Recent |
| SAN MALI SAN | 706 | Mali | Jan 1950 | Oct 2013 |
| SAN AGUSTIN | 357 | Mexico | Sep 1956 | Nov 1998 |
| SAN ANDRES (ISLA)/SESQUICENTENARIO | 654 | Colombia | May 1958 | Oct 2013 |
| SAN ANGELO 15WNW | 7 | United States | Aug 2006 | Feb 2007 |
| SAN ANGELO DAM | 268 | United States | Jul 1953 | Nov 1975 |
| SAN ANGELO GOODFELLOW AFB | 140 | United States | Jan 1946 | Aug 1958 |
| SAN ANGELO MATHIS FIELD | 1212 | United States | Aug 1907 | Oct 2013 |
| SAN ANGELO WFO | 126 | United States | May 1948 | Oct 2013 |
| SAN ANTONIO | 121 | Argentina | Aug 1930 | Dec 1944 |
| SAN ANTONIO | 25 | United States | Sep 1895 | Aug 1898 |
| SAN ANTONIO (INT. AIRP.) | 1545 | United States | Jan 1885 | Oct 2013 |
| SAN ANTONIO 8 NNE | 194 | United States | Sep 1997 | Oct 2013 |
| SAN ANTONIO BANOS | 90 | Cuba | May 1943 | Oct 2013 |
| SAN ANTONIO CN MOUTH | 410 | United States | Jan 1933 | Jun 1967 |
| SAN ANTONIO CREEK | 13 | United States | Jul 1949 | Sep 1950 |
| SAN ANTONIO DEL TACHIRA | 792 | Venezuela | Jan 1940 | Oct 2013 |
| SAN ANTONIO KELLY FIELD AAF | 262 | United States | Jan 1949 | Dec 1970 |
| SAN ANTONIO MISSION | 148 | United States | Sep 1959 | Dec 1971 |
| SAN ANTONIO OESTE AERO | 949 | Argentina | Jan 1931 | Oct 2013 |
| SAN ANTONIO SEAWORLD | 262 | United States | Jun 1988 | Feb 2012 |
| SAN ANTONIO STINSON MUNI AP | 185 | United States | Jun 1998 | Oct 2013 |
| SAN ANTONIO TEXAS/BROOKS AFB | 148 | United States | Feb 1948 | May 1960 |
| SAN ANTONIO, TX | 1240 | United States | Jan 1900 | Dec 2003 |
| SAN ANTONIO/MADRUGA | 95 | Cuba | Jan 1952 | Dec 1960 |
| SAN ARDO | 12 | United States | Jan 1893 | Jan 1894 |
| SAN AUGUSTINE | 210 | United States | Jun 1909 | Oct 2013 |
| SAN BARTHOLOME AEROP. / L | 71 | Spain | Apr 2000 | Sep 2013 |
| SAN BENITO | 567 | United States | Apr 1920 | Jun 1975 |
| SAN BERNARD TEXAS | 117 | United States | Sep 2002 | Jan 2013 |
| SAN BERNARD W/L REFUGE | 23 | United States | Nov 1984 | Jan 1987 |
| SAN BERNARDINO CO HOSPITAL | 1338 | United States | Jan 1891 | Aug 2004 |
| SAN BERNARDINO INT AP | 261 | United States | Jan 1949 | Dec 1970 |
| SAN BERNARDINO INTL | 583 | United States | Feb 1943 | Aug 1993 |
| SAN BLAS | 185 | Mexico | Jun 1938 | Jan 1977 |
| SAN BORJA | 361 | Bolivia | Jan 1971 | Oct 2013 |
| SAN CARLOS #1 ARIZONA | 614 | United States | Nov 1912 | Apr 2013 |
| SAN CARLOS AP | 350 | United States | Oct 1983 | Oct 2013 |
| SAN CARLOS RESERVOIR | 1089 | United States | Nov 1900 | Sep 2013 |
| SAN CLEMENTE | 153 | United States | Jan 1931 | Jun 1944 |
| SAN CLEMENTE ISLAND | 553 | United States | Apr 1945 | Oct 2013 |
| SAN CLEMENTE/ISLAND NAAS | 292 | United States | Apr 1945 | Sep 1988 |
| SAN CRISTOBAL | 128 | United States | Oct 1947 | May 1958 |
| SAN CRISTOBAL AEROPUERTO (GALAPAGOS) | 13 | Ecuador | Mar 2012 | Jul 2013 |
| SAN CRISTOBAL DOMINICAN REPUBL | 474 | Dominican Republic | Jan 1951 | Dec 1990 |
| SAN CRISTOBAL RADIOSONDA (GALAPAGOS) | 654 | Ecuador | Jan 1951 | Sep 2013 |
| SAN DIEGO BROWN FLD | 197 | United States | Feb 1997 | Oct 2013 |
| SAN DIEGO DE LA UNION | 325 | Mexico | Jan 1903 | Aug 1986 |
| SAN DIEGO DE LA UNION, GUANAJU | 627 | Mexico | Sep 1924 | Dec 1983 |
| SAN DIEGO GILLESPIE FIELD | 237 | United States | Nov 1959 | Jul 1979 |
| SAN DIEGO LINDBERGH MUNI AP | 1960 | United States | Jul 1849 | Oct 2013 |
| SAN DIEGO MONTGOMERY FLD | 284 | United States | Mar 1990 | Oct 2013 |
| SAN DIEGO NORTH ISLAND NAS | 823 | United States | Apr 1945 | Oct 2013 |
| SAN DIEGO SEAWORLD | 145 | United States | May 1999 | Apr 2013 |
| SAN DIEGO/MIRAMAR, NAS, CA. | 789 | United States | Jul 1947 | Oct 2013 |
| SAN DIEGO/MONTGOMER | 169 | United States | Jan 1973 | Jan 1990 |
| SAN ESTANISLAO | 192 | Paraguay | Oct 1975 | Oct 2013 |
| SAN ESTANISLAO | 17 | [Missing] | Nov 1991 | Apr 2008 |
| SAN FELIPE | 44 | Chile | Jan 1886 | Dec 1916 |
| SAN FELIPE, BAJA CALIFORNIA SU | 502 | Mexico | Jan 1942 | Dec 1984 |
| SAN FELIPE, BCN | 133 | Mexico | May 1985 | Nov 2008 |
| SAN FERNANDO | 658 | United States | Jun 1918 | Feb 1974 |
| SAN FERNANDO | 516 | Chile | Jan 1912 | Jun 1971 |
| SAN FERNANDO | 432 | Spain | Jan 1850 | Dec 1885 |
| SAN FERNANDO | 7 | Spain | Feb 1976 | Feb 1978 |
| SAN FERNANDO AERO | 93 | Argentina | Feb 2002 | Oct 2013 |
| SAN FERNANDO DE APURE | 880 | Venezuela | Jan 1938 | Oct 2013 |
| SAN FERNANDO, TAMAULIPAS | 673 | Mexico | Nov 1931 | Jun 1992 |
| SAN FERNANDO/CADIZ | 2291 | Spain | Jan 1787 | Dec 1996 |
| SAN FIDEL 1 N | 608 | United States | Jun 1920 | Sep 1976 |
| SAN FRANC. DE LAISHI | 258 | Argentina | Jan 1931 | Dec 1960 |
| SAN FRANCISCO | 302 | Philippines | Jan 1951 | Feb 1993 |
| SAN FRANCISCO | 90 | United States | May 2005 | Oct 2013 |
| SAN FRANCISCO (PBS) | 11 | United States | Apr 1995 | Jun 1996 |
| SAN FRANCISCO /PIER | 23 | United States | Oct 2011 | Oct 2013 |
| SAN FRANCISCO ACAD OF SCIENCE | 72 | United States | Aug 1951 | Jul 1957 |
| SAN FRANCISCO BAY RE | 70 | United States | Nov 2007 | Oct 2013 |
| SAN FRANCISCO DE MACORIS DOMIN | 233 | Dominican Republic | Jan 1951 | Dec 1970 |
| SAN FRANCISCO INT'L ARPT | 1888 | United States | Mar 1848 | Oct 2013 |
| SAN FRANCISCO OCEANSIDE | 592 | United States | Dec 1958 | Aug 2013 |
| SAN FRANCISCO/MISSION DOLORES | 1112 | United States | Jan 1921 | Sep 2013 |
| SAN GABRIEL | 18 | Ecuador | Oct 2011 | Sep 2013 |
| SAN GABRIEL CANYON P H | 125 | United States | Aug 1919 | Oct 2013 |
| SAN GABRIEL FIRE DEPT | 860 | United States | May 1939 | Sep 2013 |
| SAN GERMAN 4 W | 618 | Puerto Rico [United States] | Nov 1904 | Jun 1973 |
| SAN GIOVANNI ITALY | 6 | Italy | Oct 1944 | Apr 1945 |
| SAN GREGORIO 2 SE | 629 | United States | Jun 1954 | Nov 2007 |
| SAN HAVEN | 645 | United States | Jan 1931 | Feb 1986 |
| SAN IGNACIO | 51 | Bolivia | May 1945 | Apr 1950 |
| SAN IGNACIO DE MOXOS | 144 | Bolivia | Mar 1990 | Oct 2013 |
| SAN IGNACIO DE VELASCO | 624 | Bolivia | Jan 1951 | Oct 2013 |
| SAN IGNACIO, BAJA CALIF. SUR | 511 | Mexico | Jan 1941 | Dec 1984 |
| SAN ISABEL | 64 | United States | May 1938 | Sep 1943 |
| SAN ISIDRO | 317 | Philippines | Jan 1903 | Dec 1930 |
| SAN ISIDRO | 14 | Dominican Republic | Jun 1965 | Aug 1966 |
| SAN JACINTO | 445 | United States | Sep 1904 | Sep 1948 |
| SAN JACINTO R S | 1373 | United States | Jan 1893 | Sep 2013 |
| SAN JAVIER | 130 | Bolivia | Sep 1991 | Dec 2011 |
| SAN JERONIMO | 258 | Mexico | Mar 1974 | Nov 1998 |
| SAN JOAQUIN | 625 | Bolivia | Jan 1951 | Oct 2013 |
| SAN JON | 1263 | United States | Jun 1907 | Sep 2013 |
| SAN JOSE | 413 | Guatemala | Sep 1942 | Oct 2013 |
| SAN JOSE | 271 | Philippines | Feb 1982 | Oct 2013 |
| SAN JOSE | 92 | Uruguay | Jan 1961 | Dec 1970 |
| SAN JOSE AEROPUERTO DE | 542 | Spain | Feb 1965 | Oct 2013 |
| SAN JOSE DE | 88 | Bolivia | Sep 1943 | Dec 1951 |
| SAN JOSE DE CHIQUITOS | 425 | Bolivia | Jan 1951 | Oct 2013 |
| SAN JOSE DE JACHAL | 527 | Argentina | Mar 1961 | Oct 2013 |
| SAN JOSE DE LAS MATAS | 120 | Dominican Republic | Jan 1961 | Dec 1970 |
| SAN JOSE DEL CABO | 263 | Mexico | Apr 1991 | Oct 2013 |
| SAN JOSE DEL GUAVIARE | 15 | Colombia | Jan 2005 | Jun 2006 |
| SAN JOSE ISLAND PANAMA | 13 | Panama | Jun 1944 | Aug 1945 |
| SAN JOSE REID HILLVIEW AP | 1669 | United States | Jan 1874 | Oct 2013 |
| SAN JOSE/CENTRAL OFFICE | 471 | Costa Rica | Aug 1941 | Dec 1980 |
| SAN JOSE/LA SABANA | 25 | Costa Rica | Jul 1942 | Sep 1945 |
| SAN JUAN | 619 | Peru | Feb 1949 | Sep 2013 |
| SAN JUAN | 192 | Mexico | May 1951 | Nov 1980 |
| SAN JUAN | 82 | Argentina | Jan 1877 | Dec 1884 |
| SAN JUAN | 17 | Argentina | Jul 1957 | Dec 1958 |
| SAN JUAN A II | 991 | Argentina | Jan 1931 | Oct 2013 |
| SAN JUAN BAUTISTA MISIONES | 663 | Paraguay | Jan 1956 | Oct 2013 |
| SAN JUAN BAUTISTA/MISIONES | 872 | Paraguay | Jan 1941 | Oct 2013 |
| SAN JUAN CANYON | 53 | United States | Oct 2001 | Sep 2006 |
| SAN JUAN CITY | 1002 | Puerto Rico [United States] | Jan 1900 | Oct 2013 |
| SAN JUAN DE LA MAGUANA DOMINIC | 346 | Dominican Republic | Jan 1951 | Dec 1980 |
| SAN JUAN DE LOS MORROS | 271 | Venezuela | Dec 1990 | Oct 2013 |
| SAN JUAN DEL RIO, OAXACA | 427 | Mexico | May 1948 | Dec 1983 |
| SAN JUAN INTL ARPT | 409 | Puerto Rico [United States] | Jul 1941 | Jul 2013 |
| SAN JUAN ISLA VERDE INT'L ARP | 1377 | Puerto Rico [United States] | Jan 1899 | Oct 2013 |
| SAN JUAN ISLE GRANDE | 10 | Puerto Rico [United States] | Jan 1955 | Dec 1955 |
| SAN JUANITO | 53 | United States | May 1909 | Nov 1914 |
| SAN JULIAN | 9 | Cuba | Mar 1945 | Nov 1945 |
| SAN JULIAN AERO | 611 | Argentina | Jan 1951 | Oct 2013 |
| SAN LORENZO ESPINO | 134 | Puerto Rico [United States] | Mar 1946 | Jun 1959 |
| SAN LUIS 2 SE | 619 | United States | Jan 1893 | Jun 2006 |
| SAN LUIS AERO | 990 | Argentina | Jan 1931 | Oct 2013 |
| SAN LUIS CO RGNL | 360 | United States | Oct 1983 | Oct 2013 |
| SAN LUIS DAM | 535 | United States | Feb 1963 | Aug 2007 |
| SAN LUIS LAKES 3W | 109 | United States | Jun 1946 | Jun 1955 |
| SAN LUIS NWR CALIFORNIA | 133 | United States | Apr 2002 | Oct 2013 |
| SAN LUIS OBISPO AP | 183 | United States | Apr 1998 | Oct 2013 |
| SAN LUIS OBISPO POLYTECH | 1429 | United States | Sep 1887 | Sep 2013 |
| SAN LUIS POTOSI S.L.P MEXICO | 61 | Mexico | Nov 1998 | Dec 2004 |
| SAN LUIS POTOSI, S.L.P. | 369 | Mexico | Jan 1973 | Oct 2013 |
| SAN MANUEL | 326 | United States | Jul 1954 | Oct 2013 |
| SAN MANUEL | 97 | United States | May 2004 | Oct 2013 |
| SAN MARC S | 85 | Colombia | Oct 1964 | Jun 1974 |
| SAN MARCOS | 1268 | United States | Mar 1897 | Sep 2013 |
| SAN MARCOS MUNI AP | 185 | United States | Feb 1998 | Oct 2013 |
| SAN MARCOS RANCH | 94 | United States | May 1952 | Mar 1960 |
| SAN MARCOS TX/EDWARD GARY AFB | 144 | United States | Mar 1943 | Jun 1996 |
| SAN MARTIN | 361 | Argentina | Dec 1977 | Oct 2013 |
| SAN MARTIN DE TUCUMAN ARG. | 563 | Argentina | Jan 1928 | Mar 1976 |
| SAN MATEO | 513 | United States | Jul 1934 | Dec 1978 |
| SAN MATEO | 258 | United States | Jul 1918 | Feb 1988 |
| SAN MATIAS | 130 | Bolivia | Dec 1992 | Dec 2011 |
| SAN MIGUEL CALIFORNIA | 133 | United States | Apr 2002 | Oct 2013 |
| SAN MIGUEL ISLAND | 343 | United States | Mar 1894 | May 1942 |
| SAN MIGUEL, ARGENTINA | 690 | Argentina | May 1933 | Dec 1993 |
| SAN MIGUEL/EL PAPAL | 65 | El Salvador | Aug 1995 | Oct 2013 |
| SAN NICHOLAS ISLAND USC | 851 | United States | Sep 1933 | Oct 2013 |
| SAN PASQUAL ANIMAL PK | 364 | United States | Jul 1979 | May 2010 |
| SAN PEDRO | 534 | United States | Sep 1918 | Aug 1964 |
| SAN PEDRO | 88 | Paraguay | Oct 2001 | Oct 2013 |
| SAN PEDRO - AERO | 338 | Cote D'Ivoire | Jul 1978 | Oct 2013 |
| SAN PEDRO AMBERGRIS CAYO | 120 | Belize | Jan 1971 | Dec 1980 |
| SAN PEDRO DE LA CUEVA, SONORA | 283 | Mexico | Feb 1959 | Feb 1983 |
| SAN PEDRO DE MACORIS DOMINICAN | 342 | Dominican Republic | Jan 1952 | Nov 1980 |
| SAN PEDRO NAS | 27 | United States | Mar 1945 | May 1947 |
| SAN RAFAEL | 123 | United States | May 1904 | Aug 1915 |
| SAN RAFAEL AERO | 633 | Argentina | Jan 1961 | Oct 2013 |
| SAN RAFAEL CIVIC CENTER | 767 | United States | Jan 1894 | Aug 2013 |
| SAN RAFAEL RCH SP | 205 | United States | Nov 1948 | Oct 2009 |
| SAN RAMON | 330 | Peru | Jul 1939 | Nov 1974 |
| SAN SABA | 630 | United States | Feb 1901 | Feb 2000 |
| SAN SABA 7 NW | 160 | United States | Mar 2000 | Oct 2013 |
| SAN SALVADOR | 810 | El Salvador | Jan 1912 | Jan 1980 |
| SAN SALVADOR | 312 | El Salvador | Jan 1893 | Dec 1934 |
| SAN SALVADOR/ILOPANGO | 487 | El Salvador | Jan 1956 | Oct 2013 |
| SAN SEBASTIAN - IGUELDO | 1348 | Spain | Jan 1878 | Oct 2013 |
| SAN SEBASTIAN 2 WNW | 375 | Puerto Rico [United States] | Jan 1965 | Oct 1997 |
| SAN SEBASTIAN/FUENTERRABIA | 647 | Spain | Sep 1955 | Oct 2013 |
| SAN SEVERO ITALY | 16 | Italy | Jan 1944 | Apr 1945 |
| SAN SIMEON PT PIEDRAS BLANCAS | 384 | United States | Aug 1938 | Sep 1975 |
| SAN SIMEON PT PIEDRAS BLANCAS | 76 | United States | Feb 1998 | May 2005 |
| SAN SIMEON/PT. PIEDRAS BLANCAS CGLS, CA. | 212 | United States | Jun 1943 | May 2005 |
| SAN SIMON 5 NW | 694 | United States | Jan 1903 | Sep 2013 |
| SAN SIMON 9 ESE | 287 | United States | Aug 1962 | Jul 1986 |
| SAN VICENTE AEROPUERTO | 68 | Ecuador | Oct 1977 | Oct 1988 |
| SAN-CARLOS | 335 | Argentina | Jan 1961 | Dec 1993 |
| SAN-CHEN-FANG | 18 | China | Jan 1962 | Apr 1986 |
| SAN-HE | 16 | China | Jun 1957 | Nov 1963 |
| SAN-MARTIN | 376 | Argentina | Jan 1961 | Nov 1993 |
| SANA'A (CIV/MIL) | 82 | Yemen | May 1983 | Jun 1992 |
| SANAA INTL/RAHABA | 283 | Yemen | Jun 1978 | Oct 2013 |
| SANAE SAF-BASE | 126 | Antarctica | Dec 1975 | Oct 1992 |
| SANAGA | 393 | Russia | Apr 1955 | Apr 1994 |
| SANALONA | 385 | Mexico | May 1954 | Nov 1998 |
| SANANA | 402 | Indonesia | Jan 1953 | Oct 2013 |
| SANANDAJ | 608 | Iran | Jan 1961 | Oct 2013 |
| SANATORIUM | 179 | United States | Jun 1914 | Jun 1931 |
| SANBORN | 1179 | United States | May 1914 | Sep 2013 |
| SANBORN FLORIDA | 126 | United States | Mar 2003 | Oct 2013 |
| SANBORN PARK COLORADO | 335 | United States | Jul 1985 | Sep 2013 |
| SANBORN TOWER | 168 | United States | May 1956 | Apr 1970 |
| SANBORNTON | 135 | United States | Jul 1892 | Sep 1903 |
| SANCH'ONG | 252 | Korea, South | Jan 1973 | Dec 1993 |
| SANCHEZ DOMINICAN REPUBLIC | 308 | Dominican Republic | Apr 1951 | Dec 1980 |
| SANCTI SPIRITUS, SANCTI SPIRITUS | 446 | Cuba | Jan 1961 | Oct 2013 |
| SANCTUARY | 77 | Canada | Sep 1976 | Mar 1987 |
| SAND CREEK | 220 | United States | Apr 1929 | Jul 1948 |
| SAND CREEK | 75 | United States | Sep 2005 | Nov 2011 |
| SAND CREEK NORTH DAKOTA | 188 | United States | Aug 1997 | Oct 2013 |
| SAND DRAW | 340 | United States | Jun 1947 | Jan 1977 |
| SAND HEADS (LS) | 36 | Canada | May 1992 | May 1995 |
| SAND HILL | 133 | Australia | Jul 1971 | Jul 1984 |
| SAND ISLAND MIDWAY | 75 | Midway Islands [United States} | Feb 2007 | Oct 2013 |
| SAND KEY | 169 | United States | Oct 1994 | Oct 2013 |
| SAND LAKE | 288 | United States | Oct 1988 | Oct 2013 |
| SAND MT SUBSTATION | 763 | United States | Sep 1949 | Oct 2013 |
| SAND PASS | 607 | United States | Mar 1914 | Sep 1971 |
| SAND POINT 1 ENE | 50 | United States | Sep 2009 | Oct 2013 |
| SAND POINT AP | 413 | United States | Jun 1942 | Oct 2013 |
| SAND RIVER LO | 21 | Canada | Jun 2004 | Jun 2011 |
| SANDAKAN AIRP. / SABAH | 1390 | Malaysia | Jan 1880 | Oct 2013 |
| SANDANE | 600 | Norway | Jun 1957 | Aug 2013 |
| SANDANE LUFTHAVN | 109 | Norway | Jun 2004 | Aug 2013 |
| SANDANE/ANDA | 329 | Norway | Aug 1985 | Oct 2013 |
| SANDANSKI | 593 | Bulgaria | Jul 1955 | Oct 2013 |
| SANDBACKSHULT | 512 | Sweden | Jan 1961 | Dec 2004 |
| SANDBERG PTRL FC130B | 765 | United States | Jan 1948 | Oct 2013 |
| SANDBURG (AUT) | 466 | United States | Jan 1973 | Oct 2013 |
| SANDERS | 605 | United States | Jul 1949 | Jul 2013 |
| SANDERS 11 ESE | 298 | United States | May 1961 | Jul 1986 |
| SANDERSON | 728 | United States | Jan 1897 | Jul 2013 |
| SANDERSON (RAMOS) | 168 | United States | Dec 1978 | May 1996 |
| SANDERSVILLE | 680 | United States | Oct 1914 | Oct 2013 |
| SANDETTIE LIGHTSHIP | 128 | United Kingdom | Dec 2001 | Oct 2013 |
| SANDFIELD | 108 | Canada | Jan 2004 | Oct 2013 |
| SANDFORD SOLETUDE | 15 | Canada | Jan 2004 | Jun 2005 |
| SANDGATE POST OFFICE | 575 | Australia | Jan 1913 | Mar 1976 |
| SANDHAMMAREN | 350 | Sweden | Aug 1966 | Sep 1995 |
| SANDHAMN | 44 | Sweden | Dec 1965 | Aug 1969 |
| SANDHAUG | 54 | Norway | Nov 2008 | Oct 2013 |
| SANDHEADS | 221 | India | Jul 1957 | Aug 1996 |
| SANDHEADS CS, BC | 220 | Canada | Jul 1991 | Oct 2013 |
| SANDHILL CRANE MISSISSIPPI | 128 | United States | Dec 2002 | Oct 2013 |
| SANDHILL RESEARCH ELGIN | 665 | United States | Jul 1957 | Oct 2013 |
| SANDHURST | 84 | Canada | Oct 1993 | Dec 2001 |
| SANDIA CREST | 300 | United States | Dec 1953 | Apr 1979 |
| SANDIA PARK | 685 | United States | Jan 1939 | Feb 2009 |
| SANDIA RANGER STN | 150 | United States | Jun 1962 | Dec 1974 |
| SANDNESSJOEN AP | 347 | Norway | Mar 1980 | Oct 2013 |
| SANDNESSJOEN LH - STOKKA | 115 | Norway | Dec 2003 | Aug 2013 |
| SANDOA | 251 | Zaire | Jan 1951 | Dec 1977 |
| SANDOMIERZ | 753 | Poland | Jan 1951 | Oct 2013 |
| SANDOWAY | 199 | Burma / Myanmar | Jan 1956 | Sep 2012 |
| SANDPOINT AP | 108 | United States | Jun 2004 | Oct 2013 |
| SANDPOINT EXP STATION | 1204 | United States | Oct 1910 | Oct 2013 |
| SANDRA | 30 | Antarctica | Feb 1991 | Jul 1995 |
| SANDSJOBACKA | 53 | Sweden | Jan 1979 | Jun 1983 |
| SANDSOY I SENJA | 13 | Norway | Mar 1973 | May 1975 |
| SANDSPIT AIRPORT AUTO, BC | 810 | Canada | Mar 1945 | Oct 2013 |
| SANDSTON | 139 | United States | Jan 2002 | Jul 2013 |
| SANDSTONE | 10 | United States | Dec 2005 | Sep 2006 |
| SANDSTONE 6 W | 76 | United States | Jul 2007 | Oct 2013 |
| SANDSTONE RS | 315 | United States | Jan 1986 | Oct 2013 |
| SANDUIP | 119 | Bangladesh | Jan 1991 | Dec 2000 |
| SANDUSKY | 1061 | United States | Apr 1909 | Oct 2013 |
| SANDUSKY USA | 1618 | United States | Aug 1877 | Sep 2013 |
| SANDVIG | 1109 | Denmark | Jun 1874 | Nov 1970 |
| SANDVIKEN | 96 | Sweden | Dec 1977 | Mar 1987 |
| SANDWICH (CGS) | 165 | United States | Oct 1975 | Jun 1996 |
| SANDWIP | 7 | Bangladesh | Apr 2012 | Oct 2013 |
| SANDY BEACH CALIFORNIA NAS | 23 | United States | Jan 1966 | Dec 1969 |
| SANDY CAPE LIGHTHOUSE | 1237 | Australia | Jan 1907 | Aug 2013 |
| SANDY COVE NRC | 263 | Canada | Nov 1975 | Mar 2001 |
| SANDY HOLLOW (MT DANGER VINEYA | 15 | Australia | Mar 1972 | Apr 1974 |
| SANDY HOOK (CGS) | 72 | United States | Dec 1975 | Dec 1990 |
| SANDY HOOK 1NE | 84 | United States | Nov 1893 | Sep 2013 |
| SANDY HOOK LIGHTBOAT S | 766 | United States | Jul 1877 | May 2012 |
| SANDY LAKE | 165 | Canada | Mar 1991 | Feb 2005 |
| SANDY LAKE | 100 | Canada | Oct 1977 | Oct 2013 |
| SANDY LAKE DAM LIBBY | 1278 | United States | Sep 1897 | Oct 2013 |
| SANDY LAKE LO | 16 | Canada | May 2004 | Jul 2008 |
| SANDY POINT | 97 | United States | Nov 1952 | Nov 1960 |
| SANDY POINT (1) | 10 | United States | Apr 1899 | Apr 1900 |
| SANDY RANCH | 150 | United States | Sep 1963 | Sep 1987 |
| SANDY RUN 3 ENE | 120 | United States | Apr 2002 | Mar 2012 |
| SANDY RUN NORTH CAROLINA | 119 | United States | Mar 2003 | Oct 2013 |
| SANDY SPRINGS 2 NE | 109 | United States | Jul 2004 | Oct 2013 |
| SANDY-LAKE-DAM-LIBBY | 1166 | United States | Aug 1892 | Oct 1990 |
| SANDYVILLE | 26 | United States | May 1894 | Aug 1896 |
| SANDYVILLE 9 NE | 200 | United States | Feb 1997 | Oct 2013 |
| SANFORD 4 ESE | 252 | United States | Oct 1951 | Oct 1972 |
| SANFORD 8 NE | 487 | United States | Nov 1972 | Sep 2013 |
| SANFORD DAM | 240 | United States | Oct 1993 | Oct 2013 |
| SANFORD EXPERIMENT STN | 697 | United States | Aug 1955 | Oct 2013 |
| SANFORD EXPERIMENT STN | 302 | United States | Jan 1931 | May 1956 |
| SANFORD RGNL AP | 724 | United States | Mar 1945 | Oct 2013 |
| SANFORD RGNL AP | 106 | United States | Jun 2004 | Sep 2013 |
| SANGARY | 518 | Russia | Jan 1950 | Oct 2013 |
| SANGER | 101 | United States | Dec 1990 | Jul 1999 |
| SANGJU | 136 | Korea, South | May 2002 | Oct 2013 |
| SANGJU (TMQ-53P) | 138 | Korea, South | May 1973 | Oct 2013 |
| SANGKAPURA - BAWEAN | 34 | Indonesia | Feb 1991 | Nov 1994 |
| SANGKAPURA / BAWEAN ISL. | 497 | Indonesia | Jun 1962 | Oct 2013 |
| SANGLEY POINT | 665 | Philippines | Oct 1946 | Oct 2013 |
| SANGLOK | 88 | Tajikistan | Dec 1975 | Oct 2013 |
| SANGMELIMA CAME SANG | 119 | Cameroon | Jan 1951 | Dec 1960 |
| SANGOMNOY | 99 | Russia | May 1979 | May 1993 |
| SANGZHI | 672 | China | Nov 1957 | Oct 2013 |
| SANHU DAO | 460 | Paracel Islands | Jan 1975 | Oct 2013 |
| SANI-YAKHTAT | 193 | Russia | Jan 1969 | Jul 1988 |
| SANIKILUAQ AIRPORT | 259 | Canada | Mar 1979 | Oct 2013 |
| SANISH | 252 | United States | Apr 1931 | Sep 1952 |
| SANKT_OLOF | 285 | Sweden | Jan 1961 | Dec 1985 |
| SANLIURFA | 1028 | Turkey | Jan 1900 | Oct 2013 |
| SANLIURFA/MEYDAN | 21 | Turkey | Nov 2005 | Jul 2007 |
| SANMAUR | 144 | Canada | May 1930 | May 1943 |
| SANMING | 185 | China | Oct 1961 | May 1997 |
| SANNICOLAUL MARE | 192 | Romania | May 1983 | Sep 2002 |
| SANNIKOVA | 261 | Russia | Oct 1957 | Oct 2013 |
| SANSKI MOST | 111 | Bosnia and Herzegovina | Nov 2002 | Oct 2013 |
| SANSUI | 670 | China | Jan 1958 | Oct 2013 |
| SANTA ANA FIRE STATION | 1153 | United States | Jun 1916 | Oct 2013 |
| SANTA ANA JOHN WAYNE AP | 221 | United States | Apr 1968 | Oct 2013 |
| SANTA ANA MCAF | 579 | United States | Mar 1945 | Mar 1998 |
| SANTA ANA NWR | 12 | United States | Mar 2005 | Apr 2006 |
| SANTA ANA NWR TEXAS | 171 | United States | Nov 1998 | Oct 2013 |
| SANTA ANA RIVER PH 1 | 617 | United States | Jan 1904 | Jun 1958 |
| SANTA ANA/EL PALMAR | 126 | El Salvador | May 1977 | Sep 2011 |
| SANTA BARBARA 11 W | 62 | United States | Sep 2008 | Oct 2013 |
| SANTA BARBARA 2 | 1408 | United States | Feb 1893 | Oct 2013 |
| SANTA BARBARA HARB | 103 | United States | Nov 1977 | Oct 2013 |
| SANTA BARBARA ISLAND CALIFORNI | 112 | United States | Mar 1999 | Oct 2013 |
| SANTA BARBARA MCAS | 10 | United States | Apr 1945 | Jan 1946 |
| SANTA BARBARA MUNICIPAL AP | 871 | United States | Feb 1941 | Oct 2013 |
| SANTA CATALINA BUFFALO SPRING | 339 | United States | Jan 1942 | Oct 2013 |
| SANTA CATALINA ISL | 31 | United States | Sep 1985 | Jul 1992 |
| SANTA CATARINA A | 120 | Portugal | Jan 1981 | Dec 1990 |
| SANTA CLARA /UNIV. | 240 | Cuba | Jan 1961 | Dec 1980 |
| SANTA CLARA RANGER STN | 101 | United States | Aug 1937 | Jan 1948 |
| SANTA CLARA UNIVERSITY | 906 | United States | Sep 1893 | Dec 1976 |
| Santa Claus Island | 52 | Antarctica | Dec 1994 | Aug 2000 |
| SANTA CRUZ | 1668 | United States | Jan 1874 | Oct 2013 |
| SANTA CRUZ | 321 | Solomon Islands | Sep 1970 | Sep 2013 |
| SANTA CRUZ | 221 | Bolivia | Aug 1942 | Dec 1964 |
| SANTA CRUZ | 120 | Portugal | Jan 1939 | Dec 1976 |
| SANTA CRUZ /AEROPOR | 316 | Brazil | Jan 1973 | Oct 2013 |
| SANTA CRUZ AIRPORT | 166 | Argentina | Aug 1973 | Feb 1991 |
| SANTA CRUZ DE TENE- RIFE, CM | 1054 | [Conflict] | Jan 1925 | Oct 2013 |
| SANTA CRUZ DEL SUR, CAMAGUEY | 71 | Cuba | May 1976 | Oct 2013 |
| SANTA CRUZ ISLAND | 34 | United States | Jan 1976 | May 1979 |
| SANTA CRUZ ISLAND CALIFORNIA | 243 | United States | May 1990 | Oct 2013 |
| SANTA CRUZ PUERTO | 890 | Argentina | Jan 1901 | Feb 1991 |
| SANTA CRUZ/EL TROMPILLO | 804 | Bolivia | Jan 1943 | Oct 2013 |
| SANTA CRUZ/MERURI BRAZIL S | 36 | Brazil | Feb 1961 | Nov 1966 |
| SANTA ELENA DE UAIREN | 825 | Venezuela | Jan 1941 | Oct 2013 |
| SANTA FE | 115 | Panama | Jun 1971 | Dec 1980 |
| SANTA FE | 43 | United States | Oct 1913 | Aug 1918 |
| SANTA FE 20 WNW | 36 | United States | Jun 2010 | Oct 2013 |
| SANTA FE 7 SE | 94 | United States | Aug 1998 | Sep 2006 |
| SANTA FE CANYON | 1891 | United States | Jan 1849 | Oct 2013 |
| SANTA FE DAM CALIFORNIA | 205 | United States | Jul 1993 | Oct 2013 |
| SANTA FE FIELD STATION | 200 | United States | Jun 1916 | Oct 1933 |
| SANTA ISABEL AIRPORT | 42 | Puerto Rico [United States] | Jun 1950 | Mar 1954 |
| SANTA ISABEL MORRO | 10 | Brazil | Oct 1975 | Aug 1976 |
| SANTA MARGARITA BOOSTER | 39 | United States | Sep 1975 | Sep 2013 |
| SANTA MARIA | 653 | United States | Feb 1893 | Apr 1959 |
| SANTA MARIA | 9 | Brazil | Dec 1978 | Nov 1979 |
| SANTA MARIA (ACORES) | 719 | Azores | Sep 1944 | Oct 2013 |
| SANTA MARIA /AEROPO | 315 | Brazil | Jan 1973 | Oct 2013 |
| SANTA MARIA DI LEUCA | 748 | Italy | Jan 1951 | Oct 2013 |
| SANTA MARIA HANCOCK FIELD | 848 | United States | Jan 1943 | Oct 2013 |
| SANTA MARIA RSVR | 77 | United States | Jun 2007 | Oct 2013 |
| SANTA MARIA/SIMON BOLIVAR | 510 | Colombia | Oct 1964 | Oct 2013 |
| SANTA MONICA MUNI AP | 544 | United States | Nov 1900 | Oct 2013 |
| SANTA MONICA PIER | 826 | United States | Nov 1937 | Jul 2010 |
| SANTA PAULA | 973 | United States | May 1894 | Jun 2007 |
| SANTA RITA | 259 | United States | Jan 1931 | Dec 1952 |
| SANTA RITA 14 N | 66 | United States | Nov 1963 | May 1969 |
| SANTA RITA 20 N | 213 | United States | May 1962 | Dec 1989 |
| SANTA RITA CALIFORNIA | 248 | United States | Nov 1991 | Oct 2013 |
| SANTA RITA EXP RANGE | 639 | United States | May 1950 | Apr 2010 |
| SANTA ROSA | 1310 | United States | Jun 1902 | Dec 2012 |
| SANTA ROSA | 1123 | United States | Feb 1908 | Sep 2012 |
| SANTA ROSA | 51 | Ecuador | Jan 1934 | Jun 1939 |
| SANTA ROSA | 12 | Bolivia | Jan 2012 | Oct 2013 |
| SANTA ROSA 12 SE | 39 | United States | Sep 1963 | Nov 1966 |
| SANTA ROSA 3 WNW | 296 | United States | Mar 1987 | Oct 2013 |
| SANTA ROSA AERO | 994 | Argentina | Jan 1931 | Oct 2013 |
| SANTA ROSA AEROPUERTO | 9 | Ecuador | Apr 2012 | Apr 2013 |
| SANTA ROSA CALIFORNIA | 266 | United States | Mar 1991 | Oct 2013 |
| SANTA ROSA DE COPAN | 728 | Honduras | Oct 1952 | Oct 2013 |
| SANTA ROSA IS CA/MNT SOLEDAD | 7 | United States | Jul 1943 | Jan 1944 |
| SANTA ROSA ISLAND CALIFORNIA | 248 | United States | May 1990 | Oct 2013 |
| SANTA ROSA NAAS | 18 | United States | Mar 1945 | Aug 1946 |
| SANTA ROSA PLATEAU CALIFORNIA | 239 | United States | Jun 1993 | Oct 2013 |
| SANTA ROSA SCHOOL | 201 | United States | Oct 1959 | Jun 1977 |
| SANTA ROSA SONOMA COUNTY AP | 182 | United States | Jul 1998 | Oct 2013 |
| SANTA ROSALIA, BCS | 816 | Mexico | Nov 1929 | Oct 2013 |
| SANTA TERESA AP | 139 | United States | Mar 2002 | Oct 2013 |
| SANTA VITORIA DO PALMAR | 742 | Brazil | Jan 1949 | Oct 2013 |
| SANTA YNEZ AP | 44 | United States | Oct 2009 | Oct 2013 |
| SANTA-BARBARA | 1219 | United States | Mar 1893 | Oct 1996 |
| SANTA-ROSA | 1246 | United States | Sep 1891 | Nov 1996 |
| SANTAL | 56 | Russia | Jan 1969 | Apr 1975 |
| SANTANA | 99 | Portugal | May 1948 | Jul 1969 |
| SANTANDER | 22 | Colombia | Jan 1948 | Dec 1956 |
| SANTANDER CENTRO | 1032 | Spain | Jan 1924 | Oct 2013 |
| SANTANDER/PARAYAS | 564 | Spain | Jan 1961 | Oct 2013 |
| SANTAQUIN CHLORINATOR | 1163 | United States | Jan 1914 | Oct 2013 |
| SANTAREM-AEROPORTO | 500 | Brazil | Aug 1971 | Oct 2013 |
| SANTAREM/TAPERINHA | 697 | Brazil | Jan 1914 | Aug 1981 |
| SANTEE | 492 | United States | Jan 1893 | Aug 1938 |
| SANTEE COOPER RGNL | 54 | United States | Dec 2008 | Oct 2013 |
| SANTIAGO | 399 | Panama | Jan 1971 | Nov 2012 |
| SANTIAGO | 266 | Chile | Jan 1911 | Dec 1934 |
| SANTIAGO (QUINTA NORMAL) | 658 | Chile | Dec 1946 | Oct 2013 |
| SANTIAGO 3 E | 615 | United States | Feb 1961 | Sep 2013 |
| SANTIAGO DE COMPOSTELA/LABACOL | 907 | Spain | Jan 1849 | Oct 2013 |
| SANTIAGO DE CUBA, ORIENTE | 489 | Cuba | Jul 1951 | Oct 2013 |
| SANTIAGO DE CUBA/UNIV | 240 | Cuba | Jan 1961 | Dec 1980 |
| SANTIAGO DE LOS CABAL | 555 | Dominican Republic | Jan 1961 | Oct 2013 |
| SANTIAGO DEL ESTERO AERO. | 1103 | Argentina | Jan 1874 | Oct 2013 |
| SANTIAGO PEREZ AIRPORT | 120 | Colombia | Jan 1991 | Dec 2000 |
| SANTIAGO PUDAHUEL | 1834 | Chile | Jan 1861 | Oct 2013 |
| SANTIAGO RODRIGUEZ DOMINICAN R | 57 | Dominica | Jan 1961 | Dec 1965 |
| SANTIAGO, BAJA CALIFORNIA SUR | 530 | Mexico | Jan 1939 | Nov 1984 |
| SANTIAGO/EULOGIO SA | 49 | Chile | Nov 1985 | Jul 2012 |
| SANTIAM JCT. | 344 | United States | Feb 1983 | Oct 2013 |
| SANTIAM JUNCTION | 221 | United States | Dec 1949 | Aug 2013 |
| SANTIAM PASS | 326 | United States | Dec 1946 | Sep 1985 |
| SANTO DOMINGO | 782 | Dominican Republic | Nov 1943 | Sep 2013 |
| SANTO DOMINGO | 209 | Chile | Jun 1973 | Oct 2013 |
| Santo Domingo | 108 | Venezuela | Jan 1991 | Dec 2000 |
| SANTO DOMINGO | 83 | Dominican Republic | Nov 2006 | Oct 2013 |
| SANTO TOMAS | 458 | Mexico | Apr 1948 | Oct 1998 |
| SANTORINI | 261 | Greece | Sep 1991 | Oct 2013 |
| SANTOS | 118 | Brazil | Apr 1924 | Aug 1979 |
| SANTOS (AEROPORTO) | 398 | Brazil | Jan 1973 | Oct 2013 |
| SANTUCK | 1435 | United States | Aug 1893 | Oct 2013 |
| SANYA FENGHUANG | 111 | China | Aug 2004 | Oct 2013 |
