Stations starting with "O..."

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Station Name Months Country Earliest Most Recent
O 2 RCH159United StatesMar 1914Aug 1928
O C FISHER DAM291United StatesDec 1975Jul 2002
O NEILL1251United StatesJan 1893Oct 2013
O O RANCH522United StatesNov 1955Aug 2010
O'BRIEN CREEK23United StatesJul 2008Jul 2010
O'LEARY451CanadaDec 1960Feb 2004
OA81Federated States of MicronesiaSep 1956May 1966
OAHE DAM973United StatesSep 1909Sep 2003
OAHE-DAM862United StatesSep 1909Dec 1990
OAK BOTTOM CALIFORNIA104United StatesAug 2001May 2010
OAK CITY1225United StatesMay 1905Sep 2013
OAK CREEK 7WSW63United StatesJan 2006Jul 2011
OAK CREEK ARIZONA213United StatesJan 1993Oct 2013
OAK CREEK CALIFORNIA216United StatesNov 1994Oct 2013
OAK CREEK CANYON363United StatesJul 1982Aug 2013
OAK GROVE CALIFORNIA221United StatesApr 1995Oct 2013
OAK GROVE R S148United StatesJun 1978Oct 1994
OAK HARBOR198United StatesJan 1984Nov 2008
OAK HARBOR13United StatesMar 1916Dec 1917
OAK HILL835United StatesNov 1941Oct 2012
OAK HILL34United StatesJan 1894Nov 1896
OAK ISLAND27United StatesNov 1943Mar 1946
OAK KNOLL CALIFORNIA285United StatesJan 1989Oct 2013
OAK MOUNTAIN CALIFORNIA155United StatesSep 1991Oct 2013
OAK MTN STATE PARK 2 N53United StatesNov 1998Aug 2007
OAK OPENING CALIFORNIA200United StatesJul 1996Oct 2013
OAK PARK - CARLOW61IrelandAug 2008Oct 2013
OAK RIDGE201United StatesJun 1947Apr 1964
OAK RIDGE57United StatesJul 1895Apr 1901
OAK RIDGE ASOS789United StatesJan 1948Oct 2013
OAK RIDGES628CanadaJun 1918Nov 1979
OAK VALLEY22CanadaJan 2004Sep 2006
OAKBANK418CanadaJan 1890Jun 1931
OAKBANK415CanadaJan 1890Jun 1931
OAKDALE1497United StatesJan 1888Oct 2013
OAKDALE ALLEN PARISH AP94United StatesApr 2005Oct 2013
OAKDALE WOODWARD DAM550United StatesApr 1918Dec 1967
OAKES 2 S943United StatesJan 1929Oct 2013
OAKES MUNI ARPT23United StatesJun 2011May 2013
OAKEY AERODRO477AustraliaMay 1973Oct 2013
OAKFIELD327United StatesJan 1893Apr 1920
OAKLAND26United StatesJul 1905Dec 1907
OAKLAND16United StatesJun 2012Oct 2013
OAKLAND (BERTH 34)23United StatesOct 2011Oct 2013
OAKLAND 1 SE1346United StatesMay 1893Oct 2013
OAKLAND 2 SW1071United StatesJan 1919Oct 2013
OAKLAND CITY HALL54United StatesMay 1949Feb 1954
OAKLAND GARRETT COUNTY AP78United StatesNov 2006Oct 2013
OAKLAND NAS31United StatesJun 1949Oct 1954
OAKLAND NORTH CALIFORNIA227United StatesJul 1992Oct 2013
OAKLAND SOUTH CALIFORNIA1199United StatesMar 1897Oct 2013
OAKLAND-1SE1079United StatesApr 1893Dec 1990
OAKLAND/METROP. OAKLAND INT., CA.993United StatesJan 1931Oct 2013
OAKLANDON GEIST RESERVOIR659United StatesJun 1937Jul 1998
OAKLEY1438United StatesJun 1893Sep 2013
OAKLEY 19 SSW96United StatesNov 2005Oct 2013
OAKLEY 4 W1078United StatesFeb 1920Oct 2013
OAKLEY EXP STA452United StatesJul 1970Feb 2011
OAKMULGEE ALABAMA155United StatesJul 1998Mar 2013
OAKNER425CanadaSep 1965Oct 2007
OAKPOINT MARINE187CanadaSep 1996Oct 2013
OAKRIDGOAKRIDGE FISHE HATCHERY1014United StatesAug 1923Sep 2013
OAKS33United StatesMay 1915Oct 1919
OAKVILLE895United StatesMay 1916Dec 1997
OAKVILLE 1 WNW93United StatesApr 1906Jun 1914
OAKVILLE SOUTHEAST WPCP515CanadaJun 1958Sep 2006
OAKWOOD 3 SW736United StatesOct 1909Sep 1975
OAKWOOD 7 NW13United StatesOct 1980Nov 1981
OASIS284United StatesJun 1987Jun 2012
OASIS 5 S19United StatesOct 1985Apr 1987
OASIS FISHING LODGE19United StatesAug 1954Nov 1956
OASIS FLORIDA122United StatesApr 2002Oct 2013
OASIS RANGER STN419United StatesJun 1978Oct 2013
OATLANDS POST OFFICE413AustraliaJan 1957Jul 1993
OAXACA/XOXOCOTLAN990MexicoMay 1922Oct 2013
OAZIS26AntarcticaJan 1956Oct 1958
OBA116CanadaMar 1926Aug 1946
OBAN272United KingdomSep 1978Oct 2013
OBAR488United StatesJan 1926Jun 1968
OBARI134LibyaSep 1993Mar 2011
OBARSIA LOTRULUI147RomaniaJan 1985Sep 2002
OBAYLAH (AUT)7Saudi ArabiaMay 1983Dec 1984
OBBIA239SomaliaJan 1925Dec 1958
OBERGURGL131AustriaJul 2002Oct 2013
OBERLIN1588United StatesJan 1854May 2009
OBERLIN1196United StatesMay 1913Oct 2013
OBERLIN FIRE TOWER717United StatesNov 1953Oct 2013
OBERLIN-1E924United StatesMay 1913Dec 1990
OBERON (JENOLAN CAVES ROAD)154AustraliaSep 1989Jul 2005
OBERON (JENOLAN CAVES)653AustraliaJan 1907Apr 1973
OBERON (SPRINGBANK)250AustraliaJan 1965Sep 2013
OBERPFAFFENHOFEN76GermanyMay 2007Oct 2013
OBERPFAFFENHOFEN GERMANY AD33GermanySep 1946Jul 1949
OBERSCHLEISSHEIM87GermanyJan 1973Mar 1981
OBERSTDORF924GermanyJan 1936Jul 2013
OBERTAUERN254AustriaJun 1990Oct 2013
OBERVELLACH154AustriaMar 1991Oct 2013
OBIDJUAN190CanadaSep 1923Jun 1950
OBIHIRO AIRPORT487JapanJan 1973Oct 2013
OBIHIRO-ON-HOKKAIDO1417JapanJan 1894Oct 2013
OBIR1147AustriaJan 1848Jun 1944
OBJACEVO327RussiaJun 1975Oct 2013
OBLUCE593RussiaMar 1953Oct 2013
OBO462Central African RepublicApr 1954Mar 2003
OBOJAN'14RussiaAug 2012Oct 2013
OBRESTAD156NorwayMar 1986Oct 2013
OBRESTAD FYR582NorwayJan 1954Aug 2013
OBS MET NACI557ColombiaMar 1941Feb 1993
OBSIDIAN 3 SSE504United StatesJun 1919Jul 1962
OCALA1499United StatesJan 1835Oct 2013
OCALA 2 NE282United StatesJan 1941Jan 1966
OCALA INTL J TAYLOR527United StatesJan 1944Oct 2013
OCALA JIM TAYLOR FLD7United StatesMay 2005Dec 2005
OCATE 2 NW635United StatesJan 1893Sep 2013
OCCIDENTAL122United StatesApr 1999Oct 2013
OCEAN CITY INLET52United StatesJun 2009Oct 2013
OCEAN CITY MUNI AP589United StatesJan 1907Oct 2013
OCEAN CREST PIER63United StatesMay 2007Oct 2013
OCEAN FALLS,BC732CanadaJan 1924Nov 1986
OCEAN IS/BANABA940KiribatiSep 1904Dec 1990
OCEANA 2 SE263United StatesApr 1899Oct 2013
OCEANA NAS780United StatesMar 1945Oct 2013
OCEANSIDE179United StatesSep 1994Dec 2009
OCEANSIDE CAA AP843United StatesJul 1910Sep 2013
OCEANSIDE HARBOR8United StatesJul 1987Feb 1992
OCEANSIDE MUNICIPAL AP172United StatesJun 1999Oct 2013
OCEMCIRI59GeorgiaFeb 1970Aug 1991
OCHAKOV120UkraineJan 1970Apr 2004
OCHIAI (DOLINSK)497RussiaFeb 1908Dec 1950
OCHILTREE MIOCENE351CanadaJan 1963Aug 2003
OCHOA242United StatesMay 1991Sep 2013
OCHOCO DAM42United StatesAug 1948Oct 2013
OCHOCO MEADOWS283United StatesJul 1989Oct 2013
OCHOCO RANGER STATION863United StatesSep 1936Oct 2013
OCHOPEE FLORIDA296United StatesMay 1987Oct 2013
OCHRE RIVER298CanadaJun 1970Sep 2005
OCHRE RIVER,MA217CanadaJun 1970Dec 1989
OCILLA WTP70United StatesApr 2002Sep 2009
OCNA SUGATAG573RomaniaJan 1961Dec 2009
OCNA SUGATAG276RomaniaApr 1983Oct 2013
OCONALUFTEE635United StatesNov 1958Oct 2013
OCONEE #1 GEORGIA127United StatesSep 2001Oct 2013
OCONEE CO RGNL145United StatesSep 2001Oct 2013
OCONOMOWOC870United StatesJan 1893Oct 2013
OCONTO591United StatesJun 1962Sep 2013
OCONTO 4 W1445United StatesFeb 1891Oct 2013
OCONTO-4W1167United StatesDec 1890Nov 1990
OCOTILLO WELLS 2W118United StatesMar 1932Sep 2013
OCRACOKE381United StatesJun 1957Oct 2013
OCTA (1)61United StatesJun 1921Jul 1926
OCTORARO LAKE413United StatesFeb 1978Sep 2013
OCUSSI====PORTUGUESE TIM59East TimorJan 1956Nov 1960
ODATE-NOSHIRO AIRPORT174JapanApr 1999Oct 2013
ODDUR273SomaliaJan 1922Dec 1958
ODEBOLT198United StatesNov 1897Nov 1914
ODEBYN31SwedenJan 1961Mar 1964
ODELL LAKE LAND PAN646United StatesJun 1945Oct 2013
ODELL LAKE WATER PAN150United StatesJun 1945May 1959
ODEMIS360TurkeyJan 1961Dec 1990
ODEN 1 SE242United StatesJan 1927Mar 1951
ODEN ARKANSAS171United StatesJul 1998Oct 2013
ODENSE/BELDRINGE487DenmarkJan 1973Oct 2013
ODESSA2067UkraineJan 1821Oct 2013
ODESSA1318United StatesFeb 1903Aug 2013
ODESSA191United StatesOct 1950Oct 2013
ODESSA107CanadaAug 1971Dec 1981
ODESSA67United StatesMay 1937Dec 1942
ODESSA SCHLEMEYER FLD179United StatesDec 1998Oct 2013
ODESSKOE559RussiaFeb 1950Oct 2013
ODIENNE IVOR ODIE851Cote D'IvoireJan 1941Sep 2013
ODIHAM484United KingdomJan 1973Oct 2013
ODORHEIUL SECUIESC183RomaniaMay 1983Sep 2002
OE-CUSSIE12East TimorDec 1996Mar 1999
OEDUM16DenmarkMay 2012Oct 2013
OEHRINGEN383GermanyJan 1949Dec 2011
Oelands Norra Udde1909SwedenJul 1854Oct 2013
OELRICHS1383United StatesJan 1893Sep 2013
OELWEIN 2 S1054United StatesMay 1923Jul 2013
OELWEIN MUNI AP202United StatesMay 1995Oct 2013
OESTERSUND FROSON1834SwedenSep 1860Oct 2013
OFFENBACH-M63GermanyJul 1995Mar 2001
OFFENBACH-WETTERPARK93GermanyOct 2005Jul 2013
OFUNATO597JapanAug 1963Oct 2013
OGALLALA1066United StatesMar 1894Oct 2013
OGALLALA SEARLE FLD AP198United StatesMar 1997Oct 2013
OGDEN152United StatesJul 1894Sep 1959
OGDEN33United StatesJan 2011Oct 2013
OGDEN DUNES448United StatesOct 1951Apr 1989
OGDEN HILL AAF836United StatesOct 1941Oct 2013
OGDEN HINKLEY AIRPORT1363United StatesJan 1893Oct 2013
OGDEN NE BENCH34United StatesDec 2010Oct 2013
OGDEN SUGAR FACTORY988United StatesSep 1924May 2009
OGDEN-PIONEER-P-H1418United StatesFeb 1870Dec 1990
OGDENSBURG 4 NE1340United StatesJan 1893Oct 2013
OGDENSBURG INTL138United StatesFeb 1984Oct 2013
OGDENSBURG-4NE1176United StatesJan 1838Dec 1990
OGESTAD573SwedenJan 1961Jul 2009
OGILVIE RIVER267CanadaAug 1971Oct 2006
OGILVIE RIVER,YT167CanadaAug 1971Nov 1989
OGIZTAU84KazakhstanDec 1978Nov 1991
OGLALA 1 S174United StatesDec 1998Oct 2013
OGLIUGA ALASKA13United StatesApr 1943Jun 1944
OGORON263RussiaFeb 1956Jun 1993
OGRTSOVO108RussiaAug 2004Oct 2013
OGRYDA101TurkmenistanJan 1959Feb 1995
OGULIN330CroatiaJun 1975Oct 2013
OGURCOVO632RussiaJan 1958Sep 2012
OHA299RussiaMay 1937Oct 2013
OHAGAMUTE22United StatesApr 1936May 1938
OHAKEA234New ZealandMar 1954Oct 1991
OHANSK516RussiaJan 1969Oct 2013
OHARA BAR14United StatesDec 1909Feb 1913
OHE'O 258.6174United StatesNov 1998Sep 2013
OHIO GULCH IDAHO277United StatesJul 1990Oct 2013
OHIO STATE UNIVERSI363United StatesAug 1982Oct 2013
OHIO UNIVERSITY SNY75United StatesJun 2007Oct 2013
OHIOVILLE30United StatesJan 1924Nov 1927
OHONY158RussiaJan 1959Oct 2013
OHOTSKIJPEREVOZ330RussiaJan 1959Oct 2013
OHRID413MacedoniaMay 1975Oct 2013
OHRID-AERODROME224MacedoniaJul 1991Jul 2013
OHRINGEN794GermanyMay 1947Jul 2013
OIAPOQUE60BrazilMay 1987Oct 2013
OIL CITY69CanadaDec 1953Nov 1959
OIL CITY 3E41United StatesMay 2005Jul 2009
OIL PLATFORM/EAST B27United StatesJan 2010Oct 2013
OIL PLATFORM/GUNNIS38United StatesJan 2010Oct 2013
OIL PLATFORM/INDEPE38United StatesJan 2010Sep 2013
OIL PLATFORM/INNOVA36United StatesJan 2010Aug 2013
OIL PLATFORM/MAGNOLI41United StatesFeb 2010Oct 2013
OIL PLATFORM/SHIP S39United StatesJan 2010Sep 2013
OIL SHALE MINE56United StatesFeb 1947Nov 1951
OIL SPRINGS68CanadaOct 1960Mar 1967
OIL WELL ROAD E P78United StatesNov 1967Jul 1974
OILTON72United StatesNov 1964Jan 1971
OITA1519JapanJan 1887Oct 2013
OITA AIRPORT489JapanJan 1973Oct 2013
OJAI1279United StatesMay 1905Sep 2013
OJAI CALIFORNIA145United StatesJul 2000Dec 2012
OJEBRO168SwedenJan 1961Sep 1977
OJIBWAY MICHIGAN113United StatesMay 2002Oct 2013
OJIKA ISLAND59JapanDec 1992Jan 1999
OJINAGA361MexicoJun 1923Nov 1998
OJITLAN, OAXACA426MexicoDec 1947Dec 1983
OJMJAKON988RussiaJan 1930Oct 2013
OJO CALIENTE404MexicoApr 1937Oct 1984
OK FALLS MCLEAN CRK92CanadaDec 1982Mar 1991
OKA752CanadaSep 1937Nov 2011
OKANAGAN CENTRE924CanadaJan 1926Sep 2013
OKANAGAN MISSION TOZER53CanadaJul 1987Jan 1992
OKANOGAN279United StatesMar 1926Jan 1950
OKAUKUEJO21NamibiaMar 2008Oct 2013
OKAY794United StatesJun 1915Sep 1992
OKAYAMA1442JapanJan 1891Oct 2013
OKAYAMA AIRPORT480JapanJan 1973Oct 2013
OKEECHOBEE676United StatesJul 1945Dec 2010
OKEECHOBEE76United StatesFeb 2007Oct 2013
OKEECHOBEE 9 W18United StatesOct 1971Mar 1973
OKEECHOBEE INTOWN12United StatesMar 2011Jun 2012
OKEECHOBEE NEAR208United StatesFeb 1918May 1945
OKEENE1237United StatesMay 1903Feb 2011
OKEMAH1191United StatesMay 1912Sep 2012
OKETO230United StatesJan 1931Sep 1950
OKHA103RussiaSep 2004May 2013
OKHOTSK1302RussiaOct 1890Oct 2013
OKINAWA RYUKYU IS/DRAKE FLD8JapanMay 1945Dec 1945
OKINAWA RYUKYU IS/YONTAN AB30JapanJun 1951Jan 1954
OKINAWA RYUKYU ISLAN32JapanJun 1951Jan 1954
OKINAWA/RYUKYU ISLANDS213JapanMay 1949Mar 1968
OKINOERABU533JapanMay 1969Oct 2013
OKLAHOMA CITY PENN AVE537United StatesJan 1914Jan 1975
OKLAHOMA CITY POST AP203United StatesAug 1996Oct 2013
OKLAHOMA CITY TINKER AAF819United StatesJan 1943Oct 2013
OKLAHOMA CITY, OK1264United StatesJan 1900May 2005
OKLAHOMA CITY/PAGE52United StatesApr 2009Oct 2013
OKLAHOMA CITY/W. ROGERS WORLD, OK.1475United StatesNov 1890Oct 2013
OKLAHOMA CITY/WILEY324United StatesSep 1985Oct 2013
OKLEE305United StatesSep 1967Jun 1996
OKMULGEE RGNL109United StatesJun 2004Oct 2013
OKMULGEE WATER WORKS1181United StatesSep 1903Oct 2011
OKMULGEE-WATER-WORKS992United StatesSep 1903Dec 1990
OKOLONA402United StatesMay 1891Mar 1927
OKOTOKS483CanadaMar 1913Sep 2013
OKSOEY FYR1484NorwayJan 1890Aug 2013
OKSOY FYR487NorwayJan 1973Oct 2013
OKSYWIE135PolandJun 2002Oct 2013
OKTIABR'SKAYA754RussiaJan 1909Oct 2010
OKTIABRSKAYA383RussiaFeb 1949Nov 1989
OKTJABR1589RussiaJan 1881Oct 2013
OKTJABRSKIJ GORODOK56RussiaFeb 2009Oct 2013
OKTJABRSKIJ PRIISK161RussiaJun 1956Mar 1991
OKTJABRSKOE616RussiaOct 1952Jul 2013
OKTYABR SKOYE881RussiaJan 1936Aug 2012
OKULOVSKAYA51RussiaAug 1984Jul 1991
OKUNEV NOS174RussiaJul 1961Oct 2013
OKUSHIRI ISLAND267JapanJun 1975Feb 1999
OLA662RussiaJan 1955Aug 2012
OLA71RussiaJan 1969Jul 1976
OLA 4 S896United StatesOct 1896Dec 2012
OLAA 92683United StatesJan 1905Dec 1962
OLAA KURTISTOWN143United StatesFeb 1906Jul 1921
OLAF KNOLLS ARIZONA326United StatesJun 1985Oct 2013
OLALLIE MEADOWS263United StatesSep 1990Oct 2013
OLANDS SODRA GRUND88SwedenSep 1981Sep 1993
OLANDS SODRA UDDE628SwedenJan 1961Oct 2013
OLANDSBRON LAG139SwedenJul 2001Oct 2013
OLANDSBRON_V180SwedenApr 1996Dec 2011
OLATHE 3 E1342United StatesMay 1893Sep 2009
OLATHE JOHNSON CO EXEC AP206United StatesJul 1996Oct 2013
OLATHE JOHNSON CO INDUSTRIAL703United StatesMar 1945Oct 2013
OLATHE-3E1201United StatesJan 1864Dec 1990
OLAVARRIA AERO57ArgentinaApr 1992Sep 1997
OLBIA/COSTA SMERALD698ItalyJan 1951Oct 2013
OLCOTT HARBOR70United StatesNov 2007Oct 2013
OLD BATTLE231United StatesNov 1986Oct 2013
OLD CROW418CanadaNov 1977Oct 2013
Old Crow A576CanadaSep 1951Sep 1999
OLD CROW AIRPORT455CanadaOct 1951Jan 2013
OLD CROW RCS, YT195CanadaMay 1996Oct 2013
OLD EDGERTON306United StatesApr 1970Jan 1996
OLD FAITHFUL603United StatesMay 1904Oct 2013
OLD FERRY ISLAND34United StatesAug 2004Dec 2008
OLD FORGE805United StatesDec 1907Oct 2013
OLD FORT LARAMIE282United StatesDec 1989Oct 2013
OLD FT AG 3 W31United StatesJan 2011Sep 2013
OLD GLORY MOUNTAIN272CanadaNov 1944Dec 1967
OLD HARBOR32United StatesApr 1968May 1971
OLD HICKORY DAM38United StatesApr 1966Oct 2013
OLD HICKORY WSMO272United StatesNov 1990Oct 2013
OLD MAN21United StatesFeb 1975Oct 1976
OLD MAN11United StatesNov 1974Oct 1975
OLD MISSION 3 SSW786United StatesMar 1894Oct 2013
OLD RIVER LOCK285United StatesMar 1965Dec 1988
OLD RUTH632United StatesJun 1958Oct 2013
OLD TOWN19United StatesJul 1918Aug 1920
OLD TOWN 2 W561United StatesJan 1921Oct 2013
OLD TOWN FAA AIRPORT284United StatesJun 1948Jan 1972
OLD WOMEN CREEK68United StatesFeb 2008Oct 2013
OLDEN228United StatesJan 1893Dec 1912
OLDENBURG475GermanyJan 1973Sep 2012
OLDFIELD357United StatesJul 1963Dec 2004
OLDS1028CanadaMay 1914Jun 2013
OLDS AGDM112CanadaMar 2004Oct 2013
OLDS AGDM, ALTA107CanadaNov 2004Oct 2013
OLEAN34United StatesMay 1980Oct 2013
OLEKMINSK1457RussiaAug 1882Oct 2013
OLEN'YA RECHKA286RussiaJan 1960Oct 2013
OLENEK915RussiaJul 1935Oct 2013
OLENJA RECHKA923RussiaJul 1931Sep 2012
OLEVSK91UkraineNov 1970Aug 1984
OLEVSK32UkraineJan 2000May 2004
OLGA 2 SE1459United StatesJul 1891Sep 2013
OLGAING62UzbekistanFeb 1976Apr 1997
OLHA52CanadaDec 1966Jun 1971
OLIKTOK POW 2300United StatesAug 1957Aug 1988
OLIN484United StatesMar 1898Jun 1941
OLINDA (S)24United StatesAug 1912Apr 1917
OLIPHANT\ONT25CanadaJul 1992Nov 1994
OLIVE BRANCH351United StatesNov 1941Dec 2004
OLIVE BRANCH177United StatesMar 1983Feb 1999
OLIVE BRANCH171United StatesApr 1998Oct 2013
OLIVE BRANCH AP92United StatesJan 2005Oct 2013
OLIVE HILL 5NE86United StatesAug 2006Oct 2013
OLIVE LAKE74United StatesNov 1940Aug 1947
OLIVER803CanadaJun 1938Jul 2008
OLIVER AGDM113CanadaJan 2004Oct 2013
OLIVER AGDM, ALTA110CanadaJun 2004Oct 2013
OLIVER STP832CanadaFeb 1924Jan 2013
OLIVER TREE NURSERY247CanadaJun 1972Dec 1993
OLIVET299United StatesMar 1892Feb 1919
OLIVIA RGNL AP110United StatesJun 2004Oct 2013
OLIVIA-3SE1203United StatesMar 1885Dec 1990
OLLA339United StatesJan 1970Jan 2009
OLMSTEAD P H316United StatesMar 1977Aug 2003
OLNEY618United StatesDec 1955Jul 2011
OLNEY573United StatesJun 1962Oct 2013
OLNEY 2 S1402United StatesJan 1893Oct 2013
OLNEY NOBLE AP134United StatesJul 2002Oct 2013
OLNEY-2S1206United StatesJul 1887Dec 1990
OLNEYVILLE7United StatesMay 1893Nov 1893
OLONEC148RussiaJan 1959Oct 2013
OLONESTY95MoldovaNov 1970Dec 1981
OLONGAPO64PhilippinesFeb 1950Jul 1955
OLOVARRIA_AERO ARGENTI23ArgentinaJan 1999Feb 2004
OLOVJANNAJA571RussiaFeb 1948Oct 2013
OLPENITZ (AUT)83GermanyAug 1975Nov 1992
OLSENS BRIDGE (MORWELL RIVER P421AustraliaDec 1951Jan 1997
OLSIA SARDINIA56ItalyJan 1966Aug 1975
OLSZTYN752PolandJan 1951Oct 2013
OLTENITA159RomaniaFeb 1985Sep 2002
OLTON578United StatesMay 1942Oct 2013
OLTU228TurkeyAug 1967Dec 1990
OLUSTEE FLORIDA109United StatesMar 2003Oct 2013
OLVINGSTORP77SwedenJan 1961Jun 1967
OLYMPIA FOREST HQ64United StatesJan 1943Sep 1952
OLYMPIA MUNICIPAL ARPT1483United StatesJan 1890Oct 2013
OLYMPIA, WA1252United StatesJan 1900Jul 2004
OLYMPIC DAM AERODROME131AustraliaOct 2001Oct 2013
OMAEZAKI981JapanJan 1932Oct 2013
OMAHA 2 W82United StatesSep 1997Jun 2004
OMAHA/EPPLEY FIELD474United StatesMay 1974Oct 2013
OMAHA/OFFUTT AFB, NE.899United StatesAug 1905Oct 2013
OMAK AIRPORT1195United StatesDec 1909Oct 2013
OMEO COMPARISON1584AustraliaApr 1879Oct 2013
OMER272United StatesFeb 1897Jun 1925
OMIDYEH-AGHAJARI132IranFeb 2001Oct 2013
OMINATO3JapanMar 1989Feb 1990
OMINATO AB486JapanJan 1973Oct 2013
OMNOGOVI (UMNU-GOBI) UVS603MongoliaJan 1963Oct 2013
OMOE FYR375DenmarkJan 1973Oct 2013
OMOLON805RussiaMay 1944Oct 2013
OMPAH141CanadaAug 1994Nov 2006
OMPAH-SEITZ140CanadaAug 1994Nov 2006
OMPS109United StatesNov 1963May 1973
OMSK1508RussiaJul 1887Oct 2013
OMSUKCHAN88RussiaJul 1961Oct 2013
OMU834JapanJan 1943Oct 2013
ONA HUSOY1748NorwayJan 1868Oct 2013
ONAHAMA1240JapanMay 1910Oct 2013
ONANCOCK4United StatesMar 1912Aug 1912
ONATCHIWAY, QUE618CanadaJul 1920Dec 2010
ONAWA 3 NW1316United StatesMar 1899Oct 2011
ONAWAY 12 S599United StatesDec 1900May 1955
ONAWAY STATE PARK1001United StatesMay 1928Oct 2013
ONCESTI152RomaniaMay 1983Nov 1999
ONDAL INDIA30IndiaJun 1943Dec 1945
ONDANGWA72NamibiaJun 1988Oct 2013
ONDANGWA62NamibiaJan 2005Oct 2013
ONDO120NigeriaJan 1991Dec 2000
ONDORHAAN (UNDERHAN) HENTIY920MongoliaSep 1936Oct 2013
ONEFOUR CDA, ALTA247CanadaSep 1991Oct 2013
ONEGA1486RussiaFeb 1887Oct 2013
ONEIDA605United StatesDec 1959Sep 2013
ONEIDA89United StatesJul 2004May 2013
ONEILL MUNI AP9United StatesJan 2005Dec 2005
ONEONTA1107United StatesSep 1894Sep 2013
ONEONTA STATE UNIV1370United StatesSep 1894Oct 2013
ONG-YEM90VietnamDec 1898Jul 1909
ONGERUP558AustraliaAug 1966Sep 2013
ONGOLE49IndiaSep 2009Oct 2013
ONGUDAJ347RussiaJan 1960Dec 1994
ONI69GeorgiaJan 1959Apr 1991
ONIDA 4 NW1022United StatesMar 1921Sep 2013
ONION MOUNTAIN LOOKOUT OREGON296United StatesFeb 1985Oct 2013
ONION PARK119United StatesMar 2002Oct 2013
ONLEY 1 S423United StatesSep 1918Nov 1955
ONO-I-LAU MANUAL797FijiJan 1943Oct 2013
ONOR FORMER37RussiaApr 1948Jan 1953
ONSLOW AIRPORT549AustraliaJul 1943Oct 2013
ONSLOW AUSTRALIA W.1483AustraliaJan 1887Jun 2012
ONSLOW BAY34United StatesAug 2009Oct 2013
ONSLOW BAY INNER58United StatesNov 2005Jun 2011
ONSLOWAMO376AustraliaAug 1940Feb 1975
ONTARIA MUNI192United StatesJun 1997Oct 2013
ONTARIO INTERNATIONAL AP185United StatesJun 1998Oct 2013
ONTARIO INTERNATIONAL ARPT594United StatesJan 1897Dec 2004
ONTARIO MUNICIPAL AP804United StatesJul 1945Oct 2013
ONTONAGON52United StatesFeb 2007Jun 2011
ONTONAGON 6 SE944United StatesApr 1900Oct 2013
ONTONAGON 8WSW20United StatesJan 2011Sep 2012
ONWARD438United StatesDec 1954Feb 1992
ONYANG252Korea, SouthJan 1973Dec 1993
OODNADATTA AIRPORT796AustraliaApr 1939Oct 2013
OODNADATTA POLICE STATION39AustraliaSep 1985May 1991
OOKALA 223862United StatesJan 1919Sep 1993
OOLITIC PURDUE EXP FARM1256United StatesFeb 1893Oct 2013
OOLITIC-PURDUE-EXP-F971United StatesFeb 1893Dec 1990
OOLOGAH DAM383United StatesSep 1956Oct 2013
OONIKUP,MA154CanadaApr 1890May 1903
OOST MAARLAND AWS23NetherlandsNov 1994Mar 1999
OOSTENDE (AIRPORT)504Belgium and LuxemborgJul 1940Oct 2013
OOSTENDE (PIER)360Belgium and LuxemborgJan 1973Dec 2005
OOTMOED8NamibiaJul 2009May 2010
OOTSA L SKINS L SPILLWAY,BC641CanadaDec 1956Jan 2013
OOTSA LAKESKINS LAKE CLIMATE, BC94CanadaNov 2005Oct 2013
OPAEULA 870905United StatesJan 1919Feb 2013
OPAL12United StatesApr 1916Dec 1920
OPAL MOUNTAIN CALIFORNIA249United StatesOct 1991Oct 2013
OPARINO707RussiaJan 1950Oct 2013
OPELIKA632United StatesApr 1957Oct 2013
OPELOUSAS AIRPORT279United StatesFeb 1893Jul 1918
OPEN POND - FTS ALABAMA155United StatesJul 1998Oct 2013
OPHEIM172United StatesDec 1928Jul 1943
OPHEIM 10 N612United StatesMay 1959Oct 2013
OPHEIM 12 SSE834United StatesAug 1943Aug 2013
OPHIR30United StatesJul 1938Mar 1942
OPIDS CAMP FC 57 B E251United StatesJan 1933May 1958
OPIHIHALE NO 2 24.1670United StatesJul 1956Sep 2013
OPOCHKA13RussiaSep 2012Oct 2013
OPOLE753PolandJan 1951Oct 2013
OPORNY23KazakhstanOct 1987Jun 1990
OPPAMA106JapanJul 1951May 1960
OPPDAL-SETER160NorwayApr 2000Oct 2013
OPPIN53GermanySep 1938Dec 1943
OPTIMA LAKE104United StatesDec 1985Oct 1994
OQUOSSOC (1)127United StatesJan 1904May 1969
OR TAMBO INTL ARPT450South AfricaDec 1975Oct 2013
ORACLE STATE PARK1286United StatesJan 1893Sep 2013
ORACOKE (CGS)85United StatesOct 1975Apr 1986
ORADEA RUMANIA727RomaniaJan 1951Oct 2013