| Station Name | Months | Country | Earliest | Most Recent |
|---|
| SA PA | 68 | Vietnam | Jan 1961 | Oct 2013 |
| SA-DAO | 65 | Thailand | Jan 2008 | Oct 2013 |
| SAAB | 210 | Sweden | Nov 1995 | Oct 2013 |
| SAADA/SADAH | 79 | Yemen | Jun 2006 | Oct 2013 |
| SAANICH DENSMORE | 78 | Canada | Jan 1966 | Feb 1974 |
| SAANICH DOM ASTRO OBS | 701 | Canada | Dec 1916 | Jun 1977 |
| SAANICHTON CDA | 1164 | Canada | Mar 1914 | Jun 2013 |
| SAARBRUCKEN/ENSHEIM | 381 | Germany | Jan 1960 | Nov 1992 |
| SAARBRUECKEN-ENSHEIM GERMANY F | 753 | Germany | Jan 1951 | Oct 2013 |
| SABADELL | 84 | Spain | Nov 2006 | Oct 2013 |
| SABALINO | 140 | Russia | Jul 1961 | Mar 1977 |
| SABANA DE LA MAR DOMINICAN REP | 635 | Dominican Republic | May 1951 | Aug 2012 |
| SABANG/CUT BAU | 421 | Indonesia | Jan 1958 | Oct 2013 |
| SABATTIS WHITNEY PARK | 27 | United States | Jun 1956 | Sep 1958 |
| SABETHA LAKE | 361 | United States | Mar 1953 | May 1983 |
| SABI VALLEY | 71 | South Africa | Jul 1962 | Jun 1968 |
| SABIHA GOKCEN | 23 | Turkey | Oct 2008 | Oct 2013 |
| SABIN 1 ESE | 15 | United States | Nov 1974 | Apr 1981 |
| SABINAL | 449 | United States | Dec 1903 | Jan 1944 |
| SABINAL | 44 | United States | Jul 1933 | Jul 1937 |
| SABINAS | 518 | Mexico | Dec 1941 | Nov 1998 |
| SABINE | 321 | United States | May 1985 | Aug 2013 |
| SABINE LOUISIANA | 77 | United States | Jul 2003 | Aug 2013 |
| SABINE OIL PLATFORM | 40 | United States | May 2010 | Oct 2013 |
| SABINE PASS (CGS) | 90 | United States | May 1978 | Oct 2013 |
| SABINE SOUTH TEXAS | 148 | United States | Jan 2000 | Oct 2013 |
| SABINO CANYON | 495 | United States | Jul 1941 | Sep 1982 |
| SABLE ISLAND & | 1389 | Canada | Oct 1897 | Oct 2013 |
| SABREVOIS | 307 | Canada | Oct 1975 | Jun 2013 |
| SABRIYAH | 20 | Kuwait | Jun 2011 | May 2013 |
| SABU/TARDAMU | 131 | Indonesia | Dec 1992 | Oct 2013 |
| SABY | 420 | Sweden | Jan 1961 | Dec 1997 |
| SABZEVAR | 583 | Iran | Jan 1961 | Oct 2013 |
| SAC & FOX AGENCY | 245 | United States | Jan 1893 | Jul 1919 |
| SAC CITY | 1374 | United States | Jan 1893 | Oct 2013 |
| SACABA | 169 | Bolivia | Feb 1943 | Dec 1964 |
| SACAJAWEA | 118 | United States | Feb 2003 | Oct 2013 |
| SACATON | 1095 | United States | Apr 1908 | Jun 2012 |
| SACHANG-RI | 39 | Korea, South | May 2009 | Oct 2013 |
| SACHKHERE | 68 | Georgia | Jun 1973 | Jan 1991 |
| SACHON ROK K-4 | 522 | Korea, South | Jul 1954 | Jul 2005 |
| SACHS HARBOUR | 338 | Canada | Nov 1955 | Dec 1983 |
| SACHS HARBOUR(MAPS) | 48 | Canada | Jan 1973 | May 1977 |
| SACKVILLE,NB | 797 | Canada | Mar 1878 | Jan 2002 |
| SACO | 184 | United States | Sep 1965 | May 1981 |
| SACO | 8 | United States | Dec 1914 | Jan 1916 |
| SACO 1 NNW | 548 | United States | Jul 1966 | Oct 2013 |
| SACO NELSON RESERVOIR | 69 | United States | May 1923 | Sep 1965 |
| SACRAMENTO (EXECUTIVE AIR | 1928 | United States | Jan 1853 | Oct 2013 |
| SACRAMENTO EX, CA | 1251 | United States | Jan 1900 | Jul 2004 |
| SACRAMENTO INTL | 488 | United States | Jan 1973 | Oct 2013 |
| SACRAMENTO MATHER AFB | 264 | United States | Jan 1949 | Dec 1970 |
| SACRAMENTO MATHER FL | 733 | United States | Oct 1941 | Oct 2013 |
| SACRAMENTO MCCLELLAN AFB | 264 | United States | Jan 1949 | Dec 1970 |
| SACRAMENTO METRO AP | 183 | United States | Jun 1998 | Oct 2013 |
| SACRAMENTO NWR CALIFORNIA | 147 | United States | Aug 2001 | Oct 2013 |
| SACRAMENTO WSO CITY | 1624 | United States | Aug 1877 | Oct 2013 |
| SACRE COEUR | 122 | Canada | Aug 1982 | Apr 1994 |
| SACRE COEUR DE MARIE | 216 | Canada | Nov 1964 | Dec 1984 |
| SACRIFICE ISLAND | 30 | Mexico | Mar 2011 | Oct 2013 |
| SACUIENI | 181 | Romania | Apr 1983 | Sep 2002 |
| SADA NGOURMA FR 450055 670 | 768 | Burkina Faso | Jan 1945 | Oct 2013 |
| SADDLE | 9 | Greenland [Denmark] | Mar 2011 | Sep 2013 |
| SADDLE HILLS LO | 11 | Canada | May 2004 | Aug 2007 |
| SADDLE MOUNTAIN | 257 | United States | Nov 1985 | Oct 2013 |
| SADDLE MTN. | 287 | United States | Mar 1984 | Oct 2013 |
| SADDLE PASS IDAHO | 148 | United States | Jul 1985 | Oct 2013 |
| SADDLEBACK BUTTE CALIFORNIA | 176 | United States | Aug 1998 | Oct 2013 |
| SADDLEBACK CALIFORNIA | 102 | United States | Jun 2001 | Jan 2013 |
| SADO | 256 | Japan | Apr 1973 | Mar 1996 |
| SADRINSK | 1317 | Russia | Jan 1894 | Oct 2013 |
| SADSBURYVILLE | 127 | United States | Jun 1910 | Aug 1922 |
| SAEDENSTRAND | 231 | Denmark | Jan 1973 | Mar 1992 |
| SAEGERSTOWN | 382 | United States | Jan 1894 | Oct 1927 |
| SAENTIS | 1790 | Switzerland | Jan 1864 | Oct 2013 |
| SAERHEIM | 23 | Norway | Oct 2011 | Oct 2013 |
| SAFE HARBOR DAM | 162 | United States | Mar 1995 | Oct 2013 |
| SAFFLE | 583 | Sweden | Jan 1962 | Dec 2011 |
| SAFFORD AGRICULTRL CTR | 1360 | United States | Sep 1898 | Sep 2013 |
| SAFFORD MUNI AP | 854 | United States | Sep 1898 | Oct 2013 |
| SAFFORD RGNL | 334 | United States | Oct 1983 | Oct 2013 |
| SAFFORD-AGRICULTURAL | 1084 | United States | Sep 1898 | Dec 1990 |
| SAFI | 484 | Morocco | Aug 1896 | Dec 1962 |
| SAFI | 477 | Morocco | Aug 1960 | Oct 2013 |
| SAFI-ABAD DEZFUL | 122 | Iran | Sep 2001 | Oct 2013 |
| SAFIABAD DEZFUL | 119 | Iran | Jan 1991 | Dec 2000 |
| SAFITA | 581 | Syria | Jan 1959 | Oct 2013 |
| SAG RIVER D O T | 51 | United States | Jun 2000 | Apr 2006 |
| SAGA | 1460 | Japan | Aug 1890 | Oct 2013 |
| SAGA AIRPORT | 175 | Japan | Apr 1999 | Oct 2013 |
| SAGAR | 1640 | India | Jan 1875 | Oct 2013 |
| SAGAREDZO | 19 | Georgia | Sep 1975 | May 1991 |
| SAGE 4 NNW | 839 | United States | Jan 1923 | Jul 2001 |
| SAGE CREEK BASIN | 128 | United States | Mar 2002 | Oct 2013 |
| SAGE HEN OREGON | 321 | United States | Oct 1986 | Oct 2013 |
| SAGEHEN CREEK | 325 | United States | Apr 1977 | Jun 2007 |
| SAGEMOOR | 50 | United States | Sep 2009 | Oct 2013 |
| SAGHEZ | 570 | Iran | Feb 1961 | Oct 2013 |
| SAGINAW | 13 | United States | Mar 1900 | Apr 1901 |
| SAGINAW # 3 | 139 | United States | Feb 2002 | Oct 2013 |
| SAGINAW 5W | 59 | United States | Sep 2008 | Oct 2013 |
| SAGINAW 9 W | 57 | United States | Dec 2001 | Sep 2006 |
| SAGINAW BAY LIGHT 1 | 55 | United States | Dec 2008 | Oct 2013 |
| SAGINAW CO H W BROWN | 111 | United States | Jun 2004 | Oct 2013 |
| SAGINAW CONSUMERS PWR CO | 391 | United States | Mar 1955 | Sep 1987 |
| SAGINAW MINNESOTA | 112 | United States | Jun 2003 | Oct 2013 |
| SAGINAW RIVER (CGS) | 198 | United States | Feb 1977 | Jun 1996 |
| SAGINAW TRI CITY INTL AP | 1384 | United States | Jan 1898 | Oct 2013 |
| SAGIZ | 73 | Kazakhstan | Mar 1975 | Nov 1989 |
| SAGKLEK | 96 | Canada | Sep 2004 | Oct 2013 |
| SAGLEK | 171 | Canada | Oct 1989 | Sep 2010 |
| SAGLEK | 94 | Canada | Jan 2004 | Oct 2013 |
| SAGLEK (BAY) | 54 | Canada | Jan 1973 | Jun 1977 |
| SAGLEK AIRPORT | 78 | Canada | Jan 1954 | Jun 1960 |
| SAGMYRA | 30 | Sweden | Jun 1985 | Jan 1988 |
| SAGONA ISLAND, NFLD | 316 | Canada | Sep 1985 | Oct 2013 |
| SAGRES | 575 | Portugal | Jan 1961 | Sep 2013 |
| SAGUACHE 2 WNW | 1369 | United States | Sep 1886 | Oct 2013 |
| SAGUACHE MUNCICIPAL | 78 | United States | Oct 2004 | Oct 2013 |
| SAGUARO ARIZONA | 155 | United States | Jul 1995 | Oct 2013 |
| SAGUARO NATIONAL PARK | 43 | United States | Aug 2009 | Sep 2013 |
| SAHANJA | 126 | Russia | Nov 1970 | Jul 1991 |
| SAHARA | 106 | United States | Dec 1930 | Jun 1940 |
| SAHARA | 26 | United States | May 1913 | Aug 1915 |
| SAHIWAL/MONTGOMERY | 424 | Pakistan | Mar 1931 | Oct 1967 |
| SAHTY | 92 | Russia | Apr 1979 | Mar 1995 |
| SAHUARIPA | 587 | Mexico | Sep 1942 | Nov 1998 |
| SAHUARIPA, SONORA | 465 | Mexico | Aug 1942 | Jan 1984 |
| SAHUARITA 2 NW | 170 | United States | Mar 1956 | Aug 1972 |
| SAIDA | 578 | Algeria | Oct 1960 | Oct 2013 |
| SAIDPUR | 78 | Bangladesh | Jul 1957 | Feb 1981 |
| SAIDU SHARIF | 78 | Pakistan | Sep 2003 | Oct 2013 |
| SAIG | 312 | Oman | Jan 1983 | Oct 2013 |
| SAIGO | 892 | Japan | Jul 1939 | Oct 2013 |
| SAIGON | 607 | Vietnam | Jan 1896 | Dec 1954 |
| SAIGON | 8 | Vietnam | Jan 1966 | Nov 1967 |
| SAIGON/BIEN/HOA | 135 | Vietnam | Jan 1962 | Mar 1975 |
| Saikhanoboo | 114 | Mongolia | Jan 1991 | Dec 2000 |
| SAILES FIRE TOWER | 20 | United States | Jun 1952 | Jan 1954 |
| SAIM | 510 | Russia | Jan 1969 | Oct 2013 |
| SAINSHAND | 900 | Mongolia | Feb 1938 | Oct 2013 |
| SAINT ALBANS | 174 | Canada | Jan 1968 | Mar 1983 |
| SAINT ALBANS | 64 | United States | Oct 2007 | Oct 2013 |
| SAINT ANDRE AVELIN | 27 | Canada | Feb 2005 | May 2007 |
| SAINT ANDREWS | 92 | Canada | Apr 1976 | Jul 1985 |
| SAINT ANTHONY | 98 | Canada | Jul 2003 | Oct 2013 |
| SAINT ANTHONY 1 WNW | 852 | United States | Oct 1912 | Sep 2013 |
| SAINT BERNARD | 1242 | United States | Sep 1907 | Aug 2013 |
| SAINT BERNHARD | 565 | France | Jan 1818 | Aug 1868 |
| SAINT BRIEUC | 23 | France | Dec 1985 | Dec 1987 |
| SAINT CHARLES | 897 | United States | Mar 1930 | Jul 2013 |
| SAINT FRANCIS | 1259 | United States | May 1908 | Sep 2013 |
| SAINT GEORGE | 1396 | United States | Jan 1893 | Jul 2013 |
| SAINT GEORGE | 270 | United States | Oct 1898 | Mar 1926 |
| SAINT GEORGE | 234 | United States | Nov 1905 | May 1929 |
| SAINT GEORGE | 84 | Australia | Jun 1990 | May 1997 |
| SAINT GERMAN DE GRA | 193 | Canada | Feb 1944 | Oct 2013 |
| SAINT GIRONS | 485 | France | Jan 1973 | Oct 2013 |
| SAINT HARMON | 17 | United Kingdom | Feb 1984 | Sep 1991 |
| SAINT HELENA 4 WSW | 1216 | United States | Nov 1907 | Sep 2013 |
| SAINT HELENS RFD | 412 | United States | Aug 1976 | May 2013 |
| SAINT HUBERT | 490 | Belgium and Luxemborg | Jan 1973 | Oct 2013 |
| SAINT HUBERT ARPT | 339 | Canada | Jan 1954 | Feb 1993 |
| SAINT HUBERT ARPT & | 800 | Canada | Aug 1928 | Nov 2004 |
| SAINT IGNACE | 172 | United States | Feb 1977 | Jun 1996 |
| SAINT IGNATIUS | 1239 | United States | Feb 1896 | Dec 2010 |
| SAINT JOHN | 595 | United States | Aug 1963 | Aug 2013 |
| SAINT JOHN A | 139 | Canada | Nov 1939 | Nov 1951 |
| SAINT JOHN A, NB | 1258 | Canada | Jan 1895 | Dec 1999 |
| SAINT JOHN AIRPORT | 746 | Canada | Feb 1947 | May 2012 |
| SAINT JOHN ARPT | 367 | Canada | Jul 1957 | Dec 2010 |
| SAINT JOHN BRIDGE | 94 | Canada | Dec 1968 | Nov 1976 |
| SAINT JOHN,NB | 1145 | Canada | Jan 1871 | Sep 1970 |
| SAINT JOHNS | 1280 | United States | Sep 1901 | Jul 2013 |
| SAINT JOHNS | 1026 | United States | Mar 1894 | Jul 2013 |
| SAINT JOHNSBURY | 1089 | United States | Jan 1900 | Dec 1990 |
| SAINT JOHNSBURY ASOS | 1430 | United States | Mar 1894 | Oct 2013 |
| SAINT JOSEPH (CGS) | 191 | United States | Feb 1977 | Jun 1996 |
| SAINT JOSEPHS MISSION | 10 | United States | Jul 1895 | May 1898 |
| SAINT LAURENT DU MARONI FRENCH | 616 | French Guiana [France] | Jan 1961 | Oct 2013 |
| SAINT LAWRENCE | 54 | Canada | Jan 1973 | Jun 1977 |
| SAINT LAWRENCE ISLAND | 50 | United States | Mar 1893 | Aug 1897 |
| SAINT LEO | 1422 | United States | Feb 1892 | Sep 2013 |
| SAINT LEONARD ARPT | 343 | Canada | Apr 1985 | Oct 2013 |
| SAINT LEONARD(AWS) | 88 | Canada | Jul 2003 | Dec 2010 |
| SAINT LIN LAURENTID | 26 | Canada | Feb 2005 | May 2007 |
| SAINT LOUIS | 23 | Canada | Jul 2005 | May 2007 |
| SAINT LOUIS 12 NNW | 35 | United States | Feb 1976 | Dec 1980 |
| SAINT LOUIS WASHINGTON UNIV | 228 | United States | Jun 1938 | May 1957 |
| SAINT MARIES 1 W | 1336 | United States | Apr 1897 | Oct 2013 |
| SAINT MARYS | 123 | United States | Jan 1902 | Mar 1913 |
| SAINT MARYS COLLEGE | 462 | United States | Dec 1942 | Jul 1981 |
| SAINT MEINRAD | 598 | United States | Dec 1959 | Mar 2010 |
| SAINT MICHEL | 353 | Canada | Oct 1978 | Apr 2013 |
| SAINT ONGE 2 S | 127 | United States | May 1998 | Oct 2011 |
| SAINT ONGE 2 S | 123 | United States | May 1998 | Apr 2012 |
| SAINT PAUL 4 N | 1342 | United States | Aug 1896 | Sep 2009 |
| SAINT ROCK DES AULN | 18 | Canada | Mar 2005 | Oct 2006 |
| SAINT THOMAS | 32 | United States | Apr 1895 | Aug 1898 |
| SAINT VIDGEON | 34 | Australia | Jan 1973 | Apr 1976 |
| SAINT VINCENT | 65 | St. Lucia, St. Vincent, and the Grenadines | Jan 1824 | Dec 1829 |
| SAINT VINCENT (MINDELO) | 1012 | Cape Verde | Jan 1884 | Dec 1973 |
| SAINT-CELESTIN | 31 | Canada | Nov 2004 | May 2007 |
| SAINT-CHRYSOSME | 20 | Canada | Nov 2004 | Jun 2006 |
| SAINT-CONSTANT | 13 | Canada | Nov 2004 | Jul 2006 |
| SAINT-DENIS/GILLOT (REUNION) | 752 | Reunion and Associated Islands [France] | Mar 1951 | Oct 2013 |
| SAINT-DIZIER | 488 | France | Jan 1973 | Oct 2013 |
| SAINT-FRANCIS | 987 | United States | May 1908 | Dec 1990 |
| SAINT-GEORGE | 1253 | United States | Jun 1889 | Nov 1996 |
| SAINT-JOHNSBURY | 1241 | United States | Jan 1853 | Dec 1990 |
| SAINT-JOSEPH-3N | 1020 | United States | Jun 1894 | Nov 1996 |
| SAINT-LEO | 1175 | United States | Jan 1890 | Dec 1990 |
| SAINT-MICHEL DA NAP | 19 | Canada | Nov 2004 | Jul 2006 |
| SAINT-MICHEL-DES-SAINTS, QUE | 46 | Canada | Nov 2009 | Oct 2013 |
| SAINT-NAZAIRE-MONTOIR | 473 | France | Jan 1973 | Oct 2013 |
| SAINT-PAUL | 1109 | United States | Jul 1895 | Dec 1990 |
| SAINT-PETER-2SW | 1188 | United States | Nov 1877 | Dec 1990 |
| SAINT-PIERRE | 692 | St. Pierre and Miquelon [France] | Mar 1952 | Oct 2013 |
| SAINT-QUENTIN | 488 | France | Jan 1973 | Oct 2013 |
| SAINT-RAPHAEL | 154 | France | Apr 1982 | Mar 1995 |
| SAINT-SABINE | 25 | Canada | Nov 2004 | Nov 2006 |
| SAINT-YAN | 341 | France | Feb 1976 | Oct 2013 |
| SAINTE MARGUERITE MARIE | 133 | Canada | Jul 1978 | Jun 1991 |
| SAINTE-MARIE AERODROME | 55 | Madagascar | Mar 1979 | Sep 2013 |
| SAIPAN | 95 | Northern Mariana Islands [United States] | Jul 1927 | May 1935 |
| SAIPAN 1 MARIANAS | 757 | Northern Mariana Islands [United States] | Jan 1945 | Oct 2013 |
| SAIPAN MARIANA IS/TANAPAG NAS | 52 | Northern Mariana Islands [United States] | Jul 1945 | May 1951 |
| SAIPAN MARSHALL ISLA | 55 | Northern Mariana Islands [United States] | Jul 1945 | Apr 1951 |
| SAITTAROVA | 198 | Sweden | Jan 1973 | Oct 2013 |
| SAITTAROVA_A | 189 | Sweden | Mar 1996 | Dec 2011 |
| SAKAI | 1493 | Japan | Jan 1886 | Oct 2013 |
| SAKARA | 121 | Georgia | Jan 1959 | Oct 2013 |
| SAKARI KAREZ | 35 | Afghanistan | Aug 2009 | Oct 2012 |
| SAKATA | 904 | Japan | Jan 1937 | Oct 2013 |
| SAKATA | 627 | Japan | Jan 1953 | Oct 2013 |
| SAKON NAKHON | 761 | Thailand | Jan 1949 | Oct 2013 |
| SAKON NAKHON | 45 | Thailand | May 2005 | Apr 2013 |
| SAKON NAKHON AGROMET | 65 | Thailand | Jan 2008 | Oct 2013 |
| SAKSAULSKI | 86 | Kazakhstan | Oct 1974 | Oct 1989 |
| SAKUN'JA | 627 | Russia | Feb 1958 | Oct 2013 |
| SAKYLA PYHAJOKI | 35 | Finland | Jan 1972 | Dec 1974 |
| SAL ISLAND | 721 | Cape Verde | Jan 1951 | Oct 2013 |
| SALA | 476 | Sweden | Nov 1970 | Dec 2011 |
| SALA | 144 | Sweden | Jul 2001 | Oct 2013 |
| SALALAH AIRPORT | 576 | Oman | Oct 1942 | Oct 2013 |
| SALAMANCA 2 | 197 | United States | May 1991 | Jan 2008 |
| SALAMANCA AEROPUERTO | 1398 | Spain | Jan 1866 | Oct 2013 |
| SALAMANCA OBS. | 399 | Spain | Jan 1970 | Aug 2012 |
| SALAMANCA-IN-LEON | 13 | Spain | Nov 1977 | May 1979 |
| SALAMONIA | 821 | United States | Apr 1906 | Mar 1976 |
| SALAZAR | 24 | Colombia | Jan 1955 | Dec 1956 |
| SALA_A | 197 | Sweden | Aug 1995 | Dec 2011 |
| SALCHA | 292 | United States | Jun 1919 | Dec 2010 |
| SALCHA ALASKA | 157 | United States | Aug 1996 | Nov 2012 |
| SALCHA RIVER AT JOHNSON'S | 8 | United States | Jul 1997 | Jul 2013 |
| SALDURO | 62 | United States | Nov 1920 | Jul 1926 |
| SALDUS | 283 | Latvia | Jan 1959 | Oct 2013 |
| SALEKHARD | 1568 | Russia | Nov 1882 | Oct 2013 |
| SALEKHARD | 107 | Russia | Jul 2004 | May 2013 |
| SALEM | 1331 | United States | Aug 1884 | Jan 2009 |
| SALEM | 1290 | United States | Oct 1903 | Aug 2013 |
| SALEM | 637 | United States | Oct 1942 | Jun 1997 |
| SALEM | 139 | United States | Apr 2002 | Oct 2013 |
| SALEM | 118 | India | Jan 1991 | Dec 2000 |
| SALEM | 91 | United States | Jan 1893 | Oct 1900 |
| SALEM | 43 | United States | Nov 1894 | Nov 1899 |
| SALEM | 21 | United States | Jul 1946 | Mar 1949 |
| SALEM | 12 | Canada | Jan 2004 | Jun 2005 |
| SALEM 10 W | 76 | United States | Jun 2007 | Oct 2013 |
| SALEM 5 NNE | 217 | United States | Apr 1984 | Mar 2004 |
| SALEM 5 SW | 70 | United States | Aug 2007 | Sep 2013 |
| SALEM AP MCNARY FLD | 1418 | United States | Jan 1893 | Oct 2013 |
| SALEM CG AIR STN | 160 | United States | Aug 1953 | Feb 1967 |
| SALEM LECKRONE ARPT | 667 | United States | Apr 1958 | Oct 2013 |
| SALEN | 481 | Sweden | Jan 1969 | Mar 2009 |
| SALEN-HOGFJALLET_V | 184 | Sweden | Mar 1996 | Dec 2011 |
| SALEN-REUTENEN | 31 | Switzerland | Mar 2011 | Oct 2013 |
| SALIDA 3 W | 1164 | United States | Oct 1897 | Oct 2009 |
| SALIDA MTN MONARCH P | 93 | United States | Jun 2004 | Oct 2013 |
| SALIDA/ALEXANDER | 78 | United States | Jan 1973 | Aug 1986 |
| SALIHLI | 300 | Turkey | Jan 1966 | Dec 1990 |
| SALINA | 579 | United States | Apr 1951 | Jul 2011 |
| SALINA 2 SW | 689 | United States | May 1894 | Feb 1952 |
| SALINA 24 E | 1209 | United States | Jan 1892 | Oct 2013 |
| SALINA 3 W | 711 | United States | Feb 1953 | Oct 2013 |
| SALINA CRUZ, OAX. | 613 | Mexico | Jan 1941 | Oct 2013 |
| SALINA FAA AP | 162 | United States | Jan 1949 | May 1965 |
| SALINA MUNI | 266 | United States | Dec 1942 | May 1965 |
| SALINA MUNICIPAL ARPT | 742 | United States | Jan 1952 | Oct 2013 |
| SALINAS AEROPUERTO | 34 | Ecuador | Aug 1977 | Sep 1982 |
| SALINAS DAM | 33 | United States | Dec 1975 | Sep 2013 |
| SALINAS NO 2 | 645 | United States | May 1958 | Oct 2013 |
| SALINAS, CA, SALINAS MUNI ARPT | 992 | United States | Jul 1930 | Oct 2013 |
| SALINAS/GENER | 239 | Ecuador | Jan 1961 | Dec 1980 |
| SALINE | 126 | United States | Jan 2003 | Oct 2013 |
| SALINE | 19 | United States | Jun 1966 | Oct 1968 |
| SALINE 4 SW | 131 | United States | Mar 2002 | Oct 2013 |
| SALINILLAS | 202 | Mexico | Mar 1941 | Oct 1986 |
| SALISBURY | 1525 | United States | Apr 1882 | Oct 2013 |
| SALISBURY | 884 | United States | Jan 1897 | Dec 1972 |
| SALISBURY | 804 | United States | Aug 1946 | Oct 2013 |
| SALISBURY | 377 | United States | Dec 1933 | Mar 1966 |
| SALISBURY | 231 | Zimbabwe | Jan 1898 | Feb 1962 |
| SALISBURY | 182 | United States | Sep 1996 | Dec 2011 |
| SALISBURY ZIMB SALI | 350 | Zimbabwe | Jan 1949 | Oct 1984 |
| SALISBURY 2 N | 264 | United States | Aug 1991 | Sep 2013 |
| SALISBURY 2N | 1254 | United States | Feb 1893 | Jun 2013 |
| SALISBURY 9 WNW | 368 | United States | Jan 1983 | Oct 2013 |
| SALISBURY MILLS | 51 | United States | Feb 1905 | Nov 1910 |
| SALISBURY POLICE BRKS | 206 | United States | Aug 1948 | Dec 2005 |
| SALISBURY USGS | 50 | United States | Apr 1950 | Jul 1954 |
| SALISBURY, MD, WSALISBURY-OCEAN CITY WICOMICO RGNL ARPT | 782 | United States | Aug 1948 | Oct 2013 |
| SALLA KK MYLLYTIE | 610 | Finland | Jan 1961 | Oct 2013 |
| SALLA NARUSKA-1 | 248 | Finland | Jan 1991 | Oct 2013 |
| SALLA NARUSKAJARVI | 196 | Finland | Sep 1974 | Dec 1990 |
| SALLA TUNTSA | 35 | Finland | Jan 1971 | Dec 1973 |
| SALLA VARRIOTUNTURI | 470 | Finland | Aug 1974 | Oct 2013 |
| SALLAHADEEN | 36 | Iraq | Jul 1977 | Jul 1990 |
| SALLISAW 2 NW | 1082 | United States | May 1893 | Oct 2013 |
| SALLISAW MUNI AP | 104 | United States | Jun 2004 | Oct 2013 |
| SALLIUT ARPT (SAWR) | 147 | Canada | Dec 1990 | Oct 2013 |
| SALLUM PLATEAU | 185 | Egypt | Apr 1996 | Dec 2012 |
| SALMIYAH | 70 | Kuwait | Mar 2007 | May 2013 |
| SALMO BCFS | 37 | Canada | Jul 1972 | Aug 1977 |
| SALMON | 5 | United States | Apr 1976 | Oct 1976 |
| SALMON ARM 2 | 435 | Canada | Apr 1950 | Sep 1986 |
| SALMON ARM 3 | 159 | Canada | Apr 1893 | Jun 1915 |
| SALMON ARM AUTO8 | 39 | Canada | May 1991 | Mar 1995 |
| SALMON ARM AUTO8 & | 1209 | Canada | Jul 1911 | Oct 2013 |
| SALMON ARM CS, BC | 171 | Canada | May 1995 | Dec 2010 |
| SALMON CREEK BEACH | 43 | United States | Jan 1917 | Jun 1921 |
| SALMON GUMS RES. STN | 856 | Australia | Oct 1932 | Oct 2013 |
| SALMON HOLE | 735 | Canada | Oct 1938 | Nov 2008 |
| SALMON IDAHO | 334 | United States | Feb 1985 | Oct 2013 |
| SALMON LEMHI COUNTY AP | 1270 | United States | Nov 1905 | Oct 2013 |
| SALMON MEADOWS | 276 | United States | Feb 1989 | Oct 2013 |
| SALMON RIVER | 30 | United States | Apr 1919 | Mar 1923 |
| SALMON RIVER DAM | 1084 | United States | May 1908 | Jun 2013 |
| SALMON TROUT ALASKA | 225 | United States | Jul 1988 | Oct 2013 |
| SALMON VAL ERICKSON RD | 42 | Canada | Jun 1974 | Dec 1977 |
| SALMONIER NATURE PARK | 364 | Canada | Oct 1967 | Jul 2007 |
| SALMY | 106 | Kuwait | Oct 1979 | May 2013 |
| SALO KARKKA | 580 | Finland | Jun 1959 | Oct 2013 |
| SALO KIIKALA LENTOKENTTA | 132 | Finland | Jul 2002 | Aug 2013 |
| SALO SUOMUSJARVI | 293 | Finland | Feb 1988 | Jul 2012 |
| SALOME 1 ESE | 143 | United States | Apr 1956 | Jun 1972 |
| SALOME 17 SE | 698 | United States | Dec 1907 | Feb 1998 |
| SALON DE PROVENCE | 469 | France | Jan 1958 | Oct 2013 |
| SALSBURGH | 283 | United Kingdom | Jan 1973 | Feb 1998 |
| SALSIPUEDES GAGING STN | 9 | United States | Sep 2012 | Sep 2013 |
| SALT CREEK FALLS | 322 | United States | Nov 1984 | Oct 2013 |
| SALT CREEK-PRINVILLE OREGON | 306 | United States | May 1986 | Oct 2013 |
| SALT FLAT 10 ENE | 225 | United States | Jan 1959 | Dec 1977 |
| SALT FLAT CAA AP | 344 | United States | Jan 1948 | Aug 1998 |
| SALT LAKE CITY MUNICIPAL ARPT | 1665 | United States | Jan 1875 | Oct 2013 |
| SALT LAKE CITY SUBURBAN SEWAG | 737 | United States | Jan 1928 | Dec 2004 |
| SALT LAKE TRIAD CENTER | 211 | United States | May 1985 | Oct 2013 |
| SALT POINT (ASOS) | 278 | United States | Mar 1985 | Oct 2013 |
| SALT POND | 182 | Canada | Dec 1987 | Feb 2006 |
| SALT PRAIRIE LO | 12 | Canada | May 2004 | Jun 2007 |
| SALT RIVER BAY / ST | 48 | Virgin Islands [United States] | Oct 2008 | Oct 2013 |
| SALT RIVER SUMMIT | 288 | United States | Oct 1988 | Oct 2013 |
| SALT SPRINGS PWR HOUSE | 567 | United States | Jan 1943 | Feb 1995 |
| SALTA | 147 | Argentina | Jan 1928 | Dec 1944 |
| SALTA AERO | 1461 | Argentina | Jan 1873 | Oct 2013 |
| SALTAIR SALT PLANT | 801 | United States | Aug 1903 | Aug 1991 |
| SALTCOATS | 241 | Canada | Oct 1991 | Jul 2012 |
| SALTDAL-NORDNES | 11 | Norway | Nov 2012 | Oct 2013 |
| SALTEAUX | 30 | Canada | May 2004 | Jul 2011 |
| SALTER COLORADO | 255 | United States | May 1990 | Oct 2013 |
| SALTFORD | 185 | Canada | Jan 1976 | Aug 1994 |
| SALTILLO COAH. | 1020 | Mexico | Jan 1921 | Sep 2013 |
| SALTMYRAN | 16 | Sweden | Apr 1963 | Aug 1964 |
| SALTO | 768 | Uruguay | Jan 1949 | Oct 2013 |
| SALTO DEL GUAIRA | 110 | Paraguay | Jan 1991 | Dec 2000 |
| SALTOS DEL GUAIRA | 202 | Paraguay | May 1985 | Oct 2013 |
| SALTPOND | 7 | Ghana | Nov 2010 | Jun 2013 |
| SALTSPRING IS CUSHEON LK | 274 | Canada | Aug 1977 | Feb 2001 |
| SALTSPRING ISLAND | 797 | Canada | Nov 1909 | Jul 1977 |
| SALTSPRING ST MARY'S L | 415 | Canada | Jan 1976 | Aug 2013 |
| SALTSPRING VESUVIUS | 223 | Canada | Dec 1955 | Jul 1975 |
| SALTVILLE 1 N | 878 | United States | Dec 1894 | Oct 2013 |
| SALUDA | 1265 | United States | Apr 1902 | Oct 2013 |
| SALUDA | 99 | United States | Jan 1893 | Mar 1950 |
| SALVADOR /AEROPORTO | 510 | Brazil | Aug 1943 | Oct 2013 |
| SALVADOR /ONDINA/ | 1196 | Brazil | Mar 1912 | Oct 2013 |
| SALVUS CAMP,BC | 131 | Canada | Jan 1975 | Mar 1988 |
| SALYER RANGER STN | 146 | United States | Jul 1954 | Nov 1968 |
| SALYERSVILLE 1 W | 29 | United States | Jul 2007 | Nov 2009 |
| SALYM | 17 | Russia | May 2012 | Oct 2013 |
| SALZBURG-FLUGHAFEN | 2049 | Austria | Jan 1842 | Oct 2013 |
| SALZBURG/FREISAAL | 221 | Austria | Nov 1994 | Oct 2013 |
| SALZWEDEL | 120 | Guam [United States] | Aug 1938 | May 1957 |
| SAM | 802 | Kazakhstan | Dec 1946 | Oct 2013 |
| SAM RAYBURN DAM | 542 | United States | Jan 1968 | Oct 2013 |
| SAM'S VALLEY | 24 | United States | Jun 1917 | Oct 1920 |
| SAM-NEUA | 67 | Laos | Jul 1960 | Oct 2013 |
| SAMAIL | 121 | Oman | Jan 2003 | Oct 2013 |
| SAMALAYUCA | 514 | Mexico | Feb 1947 | Mar 1998 |
| SAMANA DOMINICAN REPUBLIC | 355 | Dominican Republic | Jan 1951 | Dec 1980 |
| SAMANA EL CATEY | 73 | Dominican Republic | Sep 2007 | Oct 2013 |
| SAMANDAG | 312 | Turkey | Jan 1965 | Dec 1990 |
| SAMANDIRA | 6 | Turkey | Jan 2012 | Sep 2013 |
| SAMARA | 657 | Russia | Sep 1949 | Oct 2013 |
| SAMARA (BEZENCHUK) | 1561 | Russia | Feb 1852 | Oct 2013 |
| SAMARA /SNYSLJAEVKA | 201 | Russia | Oct 1996 | Jul 2013 |
| SAMARAA | 10 | Iraq | Jun 1989 | Mar 1990 |
| SAMARIA | 528 | Mexico | Mar 1949 | Nov 1998 |
| SAMARIA | 82 | United States | Dec 2004 | Mar 2012 |
| SAMARINDA/TEMINDUNG | 252 | Indonesia | Sep 1982 | Oct 2013 |
| SAMARKAND | 1429 | Uzbekistan | Jan 1891 | Oct 2013 |
| SAMARY | 513 | Russia | Jul 1961 | Oct 2013 |
| SAMAWA | 85 | Iraq | Jun 1974 | Oct 2013 |
| SAMBAVA | 253 | Madagascar | Jul 1977 | Oct 2013 |
| SAMBURG WILDLIFE REF | 963 | United States | Oct 1928 | Sep 2013 |
| SAMCH'OK | 252 | Korea, South | Jan 1973 | Dec 1993 |
| SAME | 75 | Tanzania | Jan 1957 | Nov 1988 |
| SAMEDAM | 401 | Switzerland | Mar 1980 | Oct 2013 |
| SAMEDAN | 78 | Switzerland | Apr 2007 | Oct 2013 |
| SAMFORD CSIRO | 301 | Australia | Jun 1971 | Jan 1998 |
| SAMJIYON | 501 | Korea, North | Jan 1971 | Oct 2013 |
| SAMOS I. AEGEAN IS. GREECE | 743 | Greece | Jan 1951 | Oct 2013 |
| SAMOS ISLAND | 104 | Greece | Aug 1964 | Mar 1978 |
| SAMPALI | 19 | Indonesia | Jan 1998 | Nov 1999 |
| SAMSUN | 1060 | Turkey | Jan 1819 | Oct 2013 |
| SAMSUN | 192 | Turkey | Jun 1911 | Jul 1950 |
| SAMSUN/MEYDAN | 55 | Turkey | Jun 1975 | Apr 1995 |
| SAMTREDIA | 780 | Georgia | Jan 1936 | Dec 2000 |
| SAMUEL HILL AERO | 149 | Australia | Dec 2000 | Oct 2013 |
| SAMUI | 98 | Thailand | Apr 2005 | Oct 2013 |
| SAMUTPRAKAN AGROMET | 60 | Thailand | Oct 2008 | Oct 2013 |
| 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 |
