O6A East Barbuda O.B.S.
       17.7920 -61.0220 -496.0
       Network: TRN
       Status: Reserved
       Antigua and Barbuda

OA- (Alternate abbreviation for OA-IS.)
       Oahu, Hawaii, U.S.A.

OA-IS Oahu Island
       21.4575 -157.9964 183.0
       Network: LRSM
       Status: Closed
       Oahu, Hawaii, U.S.A.
       19620330-19620803; 19620929-19621105.

OAK Oakfield
       43.0570 -78.3372 259.0
       Network: PAL
       Status: Closed
       New York, U.S.A.
       197109-197411.

OAQ Observatorio Astronomico de Quito
       -0.2161 -78.4992 2819.0
       Network: QUI
       Status: Open
       Ecuador
       opened 197803.

OAR Oum el Arais
       34.5317 8.3968 475.0
       Network: SBS
       Status: Open
       Tunisia
       SBS code OART.

oart (Local code. See International code OAR.)

OAS Oasis
       -23.2006 -69.7139 1340.0
       Network: GUC
       Status: Open
       Antofagasta, Chile
       opened 198212?

OAX Oaxaca
       17.0203 -96.7628 1570.0
       Network: UNM
       Status: Closed
       Oaxaca, Mexico
       closed before 199911.

OB-NV Oak Springs Butte
       37.2358 -116.0525 1731.0
       Network: LRSM
       Status: Closed
       Nevada, U.S.A.
       19700227-19700505; 19700825-19710816.

OB2NV Oak Springs Butte
       37.2253 -116.0578 1542.0
       Network: LRSM
       Status: Closed
       Nevada, U.S.A.
       19760816-before 197809.

OB3NV Oak Springs Butte
       37.2325 -116.0542 1609.0
       Network: LRSM
       Status: Closed
       Nevada, U.S.A.
       19770420-before 197809.

OBA Oasis Bungera
       -66.1667 100.7333 24.0
       Status: Closed
       Greater Antarctica, Antarctica

OBB Obsidian Butte
       33.1673 -115.6367 -59.0
       Network: PAS
       Status: Closed
       Imperial County, California, U.S.A.
       197304-19800305.

OBC Olympics--Bonidu Creek
       48.0353 -124.0775 938.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 198007.

OBG Obigarm
       38.7167 69.7167 1350.0
       Network: TAJK
       Status: Open
       Tajikistan
       opened 1945.

OBH Olympics--Burnt Hill
       47.3263 -123.8658 383.0
       Network: SEA
       Status: Open
       Washington, U.S.A.

obh (Local code. See International code OBHM.)

OBHM Bloomer Hill
       39.6517 -121.4617 914.0
       Network: MNLO
       Status: Open
       Butte County, California, U.S.A.
       opened 19750906. MNLO code OBH.

OBI Obihiro
       42.9200 143.2217 40.0
       Network: JMA
       Status: Open
       Tokachi, Hokkaido, Japan
       JMA code OBIHIR.

obihir (Local code. See International code OBI.)

OBIP Obispado Ponce
       18.0428 -66.6061 102.6
       Network: RSPR
       Status: Open
       Puerto Rico
       opened 2004? BB station.

OBK Oberlin
       39.9288 -100.4388 792.0
       Network: KGS
       Status: Closed
       Kansas, U.S.A.
       197903-1981.

OBKA Hochobir
       46.5092 14.5489 1074.7
       Network: ZAMG
       Status: Open
       Austria
       opened 199901?

OBLS Djebel Bou Ietas
       34.9750 -0.4420 1053.0
       Network: ALG
       Status: Open
       Algeria

OBM Ulaanbaatar (Ulan Bator)
       47.9200 106.9700 1330.0
       Network: OBM
       Status: Open
       Mongolia
       OBM code UBR.

OBN Obninsk
       55.1138 36.5687 130.0
       Network: OBN
       Status: Open
       Kaluzhskaya Oblast', Russia
       opened 1967. II opened 19880914.

OBO Obock
       11.9869 43.2925 50.0
       Network: ARO
       Status: Open
       Djibouti
       opened 1976.

OBR Brabster
       58.6142 -3.1623 89.0
       Network: BGS
       Status: Open
       Scotland, United Kingdom
       opened 19950921.

OBS Ocean Bottom Seismometer
       38.0920 -124.5440 -3840.0
       Network: PAL
       Status: Closed
       California, U.S.A.
       1966-1972.

obs169 (Local code. See International code GB01.)

obs170 (Local code. See International code GB02.)

obs171 (Local code. See International code GB03.)

obs173 (Local code. See International code GB04.)

obs174 (Local code. See International code GB05.)

obs175 (Local code. See International code GB06.)

obs176 (Local code. See International code GB07.)

obs177 (Local code. See International code GB08.)

OBY Ambatonomby
       -19.3680 47.4570 1625.0
       Network: TAN
       Status: Closed
       Madagascar
       19781117-19910204. Coords corrected 20000726.

OBZ Oban
       -46.9050 168.1153 26.0
       Network: WEL
       Status: Closed
       Stewart Island, New Zealand
       19760917-199012.

OC2 Ocós 2
       14.5605 -92.1862 5.0
       Network: GCG
       Status: Closed
       Guatemala
       198607-before 199911.

OCA Owens Crossroads
       34.6138 -86.4352 250.0
       Network: ATL
       Status: Open
       Alabama, U.S.A.

oca (Local code. See International code OCAC.)

OCAC Ocaña
       8.2388 -73.3193 1264.0
       Network: RSNC
       Status: Open
       Colombia
       opened 1997? RSNC code OCA.

OCF Saint-Nazaire-le-Désert
       44.5783 5.3021 840.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19901218. GRN and STR code OG26.

OCG Ocós
       14.5655 -92.1217 8.0
       Network: GCG
       Status: Closed
       Guatemala
       198403-1988.

och (Local code. See International code OCHM.)

OCHM Cohasset Ridge
       39.8758 -121.7655 530.0
       Network: MNLO
       Status: Open
       Butte County, California, U.S.A.
       opened 19761217. MNLO code OCH.

OCHR Omchak
       61.6653 147.8667 820.0
       Network: NERS
       Status: Open
       Magadanskaya Oblast', Russia
       opened 19991001.

OCLP Ormoc
       11.0510 124.6090 130.0
       Network: PIVS
       Status: Open
       Leyte, Philippines

OCM Ochomogo
       9.8948 -83.9608 1660.0
       Network: HDC
       Status: Open
       Costa Rica

OCN Over Castle Rock
       43.8848 -74.5293 701.0
       Network: PAL
       Status: Closed
       New York, U.S.A.
       197407-197907.

OCO Oklahoma City
       35.5240 -97.4740 351.0
       Network: TUL
       Status: Open
       Oklahoma, U.S.A.
       opened 19820521.

OCR O'Connell Ranch
       36.9172 -121.5077 98.0
       Network: MNLO
       Status: Open
       San Benito County, California, U.S.A.
       opened 19670626. MNLO code HOR.

OCT (keyword for telegraphic format)
      
       Status: Network/Other

OCUV Ocumarito
       10.1164 -66.8000 248.0
       Network: CAR
       Status: Open
       Miranda, Venezuela
       opened 20041008.

OCWA Octopus Mountain
       47.7489 -124.1781 671.0
       Network: NEIC
       Status: Closed
       Washington, U.S.A.
       19980828-200607.

OD2 Odessa Site #2
       47.3910 -118.7107 590.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 198906.

ODAN Odare
       26.8600 87.3900 2045.0
       Network: DMN
       Status: Open
       Nepal
       opened 199404.

odawa2 (Local code. See International code JOD2.)

ODB Odobesti
       45.7747 27.0561 140.0
       Network: BUC
       Status: Open
       Romania
       opened 1979.

ODD Odda
       59.9500 6.6670 630.0
       Network: BER
       Status: Closed
       Norway
       198411-19871202.

ODD1 Odda
       59.9120 6.6280 684.0
       Network: BER
       Status: Open
       Norway
       opened 19871203.

ODJA Bou Hanifía
       35.3300 -0.1500 645.0
       Network: ALG
       Status: Open
       Algeria

ODS Odessa
       47.3067 -118.7450 524.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 196903.

ods (Local code. See International code ODSE.)

ODSE Onioshidashi
       36.4219 138.5219 1710.0
       Network: ERIJ
       Status: Reserved
       Gumma, Honshu, Japan
       opened 196210. ERIJ code ODS.

ODZ Otahua Downs
       -45.0453 170.6444 270.0
       Network: WEL
       Status: Open
       South Island, New Zealand
       opened 19900831.

ODZI Dziouia
       35.2900 -1.2300 293.0
       Network: ALG
       Status: Open
       Algeria

OFA Oficina Alemania
       -25.1525 -69.9500 1000.0
       Network: GUC
       Status: Open
       Antofagasta, Chile
       opened 1975.

OFB Ocean Falls
       52.3540 -127.6843 75.0
       Network: OTTR
       Status: Open
       British Columbia, Canada
       opened 19820727.

OFD Oued Fodda
       36.0667 1.6000 377.0
       Network: ALG
       Status: Closed
       Algeria

OFFI Offida
       42.9350 13.6857 320.0
       Network: ROM
       Status: Open
       Marche, Italy
       opened 20060516.

OFK Olympics--Forks
       47.9500 -124.3578 134.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 198007.

OFRI `Ofer
       32.6210 34.9850 520.0
       Network: GII
       Status: Open
       Israel

OFU Ofunato
       39.0617 141.7183 38.0
       Network: JMA
       Status: Open
       Iwate, Honshu, Japan
       JMA code OFUNAT.

OFUJ Ofunato Outpost (Ofunai)
       39.0802 141.6690 180.0
       Network: JMA
       Status: Open
       Iwate, Honshu, Japan
       opened 1978. JMA code OFUNAI and OFUNA2.

ofuna2 (Local code. See International code OFUJ.)

ofunai (Local code. See International code OFUJ.)

ofunat (Local code. See International code OFU.)

OG01 Vacheresse
       46.3307 6.6830 1040.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       RENA opened 19970123.

OG02 Monnetier-Mornex
       46.1542 6.2208 620.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19891110.

OG03 Samoëns
       46.0667 6.7305 1000.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19900425.

OG04 La Clusaz
       45.9137 6.4380 1330.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19910911.

OG05 Jujurieux
       46.0405 5.4583 400.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       RENA opened 19970305.

OG06 Moye
       45.8810 5.8902 650.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19920414.

OG07 Sainte-Reine
       45.5927 6.1410 915.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19921007.

OG08 Commelle
       45.4482 5.2397 550.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19890213.

OG09 Saint-Thibaud-de-Couz
       45.5123 5.8363 630.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19881021.

OG10 Saint-Etienne-de-Cuines
       45.3522 6.2758 1035.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19921015.

OG11 Montagny
       45.4527 6.6095 1120.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19930707.

OG12 La Savinaz
       45.5375 6.9053 1550.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19931112.

OG13 Choranche
       45.0733 5.3995 560.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19890811.

OG14 Saint-Maurice-en-Valgodemard
       44.8152 6.1123 1090.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19881026.

OG15 Briançon
       44.9113 6.6487 1985.0
       Network: GRN
       Status: Open
       Provence-Côte d'Azur, France
       opened 19930120.

OG16 Combovin
       44.8500 5.0975 775.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19900405.

OG17 Prunières
       44.9067 5.7662 1140.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19880912.

OG18 Albannette
       45.1932 6.4290 1455.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 19901204.

OG19 Saint-Julien-en-Beauchêne
       44.6303 5.7260 1035.0
       Network: GRN
       Status: Open
       Provence-Côte d'Azur, France
       opened 19891013.

OG20 Réallon
       44.6133 6.3312 1570.0
       Network: GRN
       Status: Open
       Provence-Côte d'Azur, France
       opened 19890117.

OG21 Saint-Crépin
       44.7155 6.6185 1395.0
       Network: GRN
       Status: Open
       Provence-Côte d'Azur, France
       opened 19880913.

OG22 Abriès
       44.8227 6.9452 1810.0
       Network: GRN
       Status: Open
       Provence-Côte d'Azur, France
       RENA opened 19970127.

OG25 Le Caire
       44.3698 6.0735 1060.0
       Network: GRN
       Status: Open
       Provence-Côte d'Azur, France
       RENA opened 19970123.

og26 (Local code. See International code OCF.)

OGA Obergurgl
       46.8678 11.0253 1934.0
       Network: FUR
       Status: Open
       Austria
       opened 197509.

OGAG Argentière
       44.7880 6.5410 1280.0
       Network: GRN
       Status: Open
       Provence-Côte d'Azur, France
       opened 1996. ReNaSS BB station.

OGD Ogdensburg
       41.0875 -74.5958 -367.0
       Network: PAL
       Status: Closed
       New Jersey, U.S.A.
       1960-1981. WWSS 19611212-1981. HGLP 19731228-19790129.

OGDI Digne
       44.1100 6.2170 720.0
       Network: GRN
       Status: Open
       Provence-Côte d'Azur, France
       ReNaSS BB station.

OGE Ogeu
       43.1685 -0.4733 440.0
       Network: OMPT
       Status: Closed
       Aquitaine, France
       closed 19980122. ReNaSS station.

oggm (Local code. See International code GDM.)

OGH Oga
       39.9050 139.7769 354.0
       Network: TOH
       Status: Open
       Akita, Honshu, Japan
       opened 196711.

OGNE Ogallala
       40.9451 -102.0330 1054.0
       Network: NEIC
       Status: Open
       Nebraska, U.S.A.
       opened 20070629. BB station.

ogo (Local code. See International code OGOM.)

OGOM Van Goodin Ranch
       39.6537 -121.6120 158.0
       Network: MNLO
       Status: Open
       Butte County, California, U.S.A.
       opened 19761228. MNLO code OGO.

OGRR Ongureny
       53.6433 107.5950 495.0
       Network: BYKL
       Status: Open
       Irkutskaya Oblast', Russia
       opened 1988.

OGS Ogasawara
       27.0568 142.2029 20.0
       Network: ERIJ
       Status: Open
       Bonin Islands, Japan
       PSDN opened 19920626.

OGSI Sixt
       46.0340 6.7540 764.0
       Network: GRN
       Status: Open
       Rhône-Alpes, France
       opened 1996? ReNaSS BB station.

OGSO Ohio Geological Survey, Columbus
       40.0568 -82.9654 268.0
       Network: OGSO
       Status: Open
       Ohio, U.S.A.
       Moved slightly 20050114. Old pos. 40.0570N, 82.9630W, 268m.

OGTN Old Graveyard Slough
       36.4200 -89.4860 91.0
       Network: SLM
       Status: Closed
       Tennessee, U.S.A.
       closed 199306.

OGU Ogden Bay
       41.2750 -111.9440 1506.0
       Network: SLC
       Status: Closed
       Weber County, Utah, U.S.A.
       197509-197905.

OHAK Old Harbor
       57.2225 -153.2875 77.5
       Network: PMR
       Status: Open
       Kodiak Island, Alaska, U.S.A.
       opened 20060623. BB station.

ohasam (Local code. See International code JOM.)

OHC O'Higgins
       -63.3333 -57.9000 20.0
       Network: SAN
       Status: Open
       Antarctic Peninsula, Antarctica

ohc (Local code. See International code OHCM.)

OHCM Honcut
       39.3357 -121.4840 79.0
       Network: MNLO
       Status: Open
       Yuba County, California, U.S.A.
       opened 19750805. MNLO code OHC.

OHD Ohdaira
       42.5262 140.8425 250.0
       Network: HSS
       Status: Reserved
       Iburi, Hokkaido, Japan
       opened 19770812.

OHH Osh
       40.5240 72.7850 980.0
       Network: KYRG
       Status: Open
       Kyrgyzstan
       opened 1977. Coords corrected >2 km 20000121.

OHJ Ohira
       36.3600 139.6924 250.0
       Network: CDPJ
       Status: Reserved
       Tochigi, Honshu, Japan
       opened 197803. CDPJ code OHR.

OHLN Ohlone
       38.0064 -122.2730 -196.8
       Network: BRK
       Status: Open
       Contra Costa County, California, U.S.A.
       opened 20011005.

OHM Omihachiman
       35.1738 136.0835 120.0
       Network: KYT
       Status: Open
       Shiga, Honshu, Japan
       opened 19750423.

OHO Hoy
       58.8321 -3.2464 172.0
       Network: BGS
       Status: Open
       Orkney Islands, United Kingdom
       opened 19950921.

OHR Ohrid
       41.1114 20.7989 739.0
       Network: SKO
       Status: Open
       Macedonia
       opened 196901.

ohr (Local code. See International code OHJ.)

ohr (Local code. See International code OHRN.)

OHRN Oohira
       35.4878 137.1946 330.0
       Network: NGY
       Status: Closed
       Gifu, Honshu, Japan
       196905-197205. NGY code OHR.

OHS Orange Hill
       13.3170 -61.1480 274.0
       Network: TRN
       Status: Reserved
       Saint Vincent, Saint Vincent and the Grenadines

OHTN Owl Hoot
       36.1500 -89.5200 82.0
       Network: SLM
       Status: Open
       Tennessee, U.S.A.

OHTR Okhotsk
       59.3586 143.3308 40.0
       Network: NERS
       Status: Open
       Khabarovskiy Kray, Russia
       opened 20000706.

OHW Oak Harbor
       48.3233 -122.5318 54.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 19750516.

OIA Oishiyama A
       34.1031 135.3201 756.0
       Network: ERIJ
       Status: Open
       Wakayama, Honshu, Japan
       opened 196909.

OIB Oishiyama B
       34.0998 135.3208 776.0
       Network: ERIJ
       Status: Open
       Wakayama, Honshu, Japan
       196909-19700509; reopened 19710810.

OIC Oishiyama C
       34.0989 135.3167 776.0
       Network: ERIJ
       Status: Open
       Wakayama, Honshu, Japan
       196909-19700509; reopened 19710810.

OII Orti
       38.1533 15.6892 0.0
       Network: MES
       Status: Open
       Calabria, Italy
       Sent to NEIS by ROM.

OIS Oishiyama
       34.1053 135.3273 678.0
       Network: ERIJ
       Status: Closed
       Wakayama, Honshu, Japan
       19660107-19711104.

OIT Oita (Ooita)
       33.2333 131.6233 6.0
       Network: JMA
       Status: Open
       Oita, Kyushu, Japan

OIT2 Oita 2
       33.2782 131.4518 460.0
       Network: JMA
       Status: Open
       Oita, Kyushu, Japan
       opened 19940707.

OIW Oiwake
       36.3400 138.5517 1001.0
       Status: Closed
       Nagano, Honshu, Japan

OIZ Oio
       -39.0467 175.3925 470.0
       Network: WEL
       Status: Open
       North Island, New Zealand
       opened 199209.

OJBR Djebel Berber
       35.5835 0.3450 800.0
       Network: ALG
       Status: Open
       Algeria

OJC Ojców
       50.2195 19.7984 391.0
       Network: WAR
       Status: Open
       Poland
       opened 199204. BB station.

OJEN Ojén
       36.0993 -5.5407 816.0
       Network: SFS
       Status: Closed
       Andalucía, Spain
       1986-1996. resurveyed 1993. Also sent to NEIS by MDD.

OJGS Djebel Guires
       35.5045 0.7497 920.0
       Network: ALG
       Status: Open
       Algeria

OJOS Ojo de Agua
       13.8633 -89.2367 645.0
       Network: CIG
       Status: Closed
       El Salvador
       199112-before 199911.

OKA Okayama
       34.6817 133.9150 5.0
       Network: JMA
       Status: Closed
       Okayama, Honshu, Japan
       moved 194904.

oka (Local code. See International code OKAH.)

OKA1 Okayama
       34.6583 133.9183 17.0
       Network: JMA
       Status: Open
       Okayama, Honshu, Japan
       opened 1984. JMA code OKAYAM.

OKA2 Okayama 2
       34.6417 133.9517 77.0
       Network: JMA
       Status: Open
       Okayama, Honshu, Japan
       opened 1984. JMA code OKAYA2.

OKAH Ooka
       19.4943 -154.9240 180.0
       Network: HVO
       Status: Reserved
       Hawai`i, Hawaii, U.S.A.
       opened 19941006. HVO code OKA.

okaya2 (Local code. See International code OKA2.)

okayam (Local code. See International code OKA1.)

OKB Okabe
       34.9500 138.2538 -30.0
       Network: CDPJ
       Status: Open
       Shizuoka, Honshu, Japan
       opened 197803.

OKC Ostrava--Krásné Pole
       49.8375 18.1472 272.0
       Network: GFU
       Status: Open
       Czech Republic
       opened 19940101.

OKCD Okmok Cone D
       53.4303 -168.1123 459.0
       Network: USAV
       Status: Open
       Western Alaska, Alaska, U.S.A.
       opened 20030109.

OKCE Okmok Cone E
       53.4270 -168.1643 515.0
       Network: USAV
       Status: Open
       Western Alaska, Alaska, U.S.A.
       opened 20030109.

OKER East Rim
       53.4537 -168.0512 956.0
       Network: USAV
       Status: Open
       Western Alaska, Alaska, U.S.A.
       opened 20030109.

OKFG Magazine Ridge
       53.4107 -167.9115 201.0
       Network: USAV
       Status: Open
       Western Alaska, Alaska, U.S.A.
       opened 20030109.

OKG Oak Grove
       35.6260 -89.8350 129.0
       Network: SLM
       Status: Closed
       Tennessee, U.S.A.
       19750627-1992.

OKGL Djebel Kef Guellal
       36.0380 0.6430 560.0
       Network: ALG
       Status: Open
       Algeria

OKH Okha
       53.5500 142.9333 24.0
       Network: SKHL
       Status: Open
       Sakhalinskaya Oblast', Russia
       opened 1966.

OKI Okijuku
       36.0500 140.2500 0.0
       Status: Closed
       Ibaraki, Honshu, Japan

oki (Local code. See International code SAI.)

OKJL Djebel Kodjel
       35.0405 0.1647 1075.0
       Network: ALG
       Status: Open
       Algeria

OKL Od Khalfella
       32.2030 -9.1390 122.0
       Network: CNRM
       Status: Closed
       Morocco
       closed 1992.

OKN Okuno
       34.9319 139.0706 140.0
       Network: ERIJ
       Status: Open
       Shizuoka, Honshu, Japan
       opened 197111.

OKP Ookiep
       -29.6467 17.9650 936.0
       Network: PRE
       Status: Closed
       Northern Cape, South Africa
       198303-198511.

OKS Okushiri
       42.0650 139.4433 35.0
       Network: JMA
       Status: Open
       Hiyama, Hokkaido, Japan
       opened 19930715.

OKTD Ok Tedi (Tabubil)
       -5.3484 141.2917 518.0
       Network: PMG
       Status: Open
       New Guinea, Papua New Guinea
       opened 19921015.

okushj (Local code. See International code JOR.)

OKY Okuyama (Fujigawa)
       35.2273 138.4212 620.0
       Network: ERIJ
       Status: Open
       Yamanashi, Honshu, Japan
       opened 197806. Also sent to NEIS by JMA. JMA code FUJIGA.

OLB Olbia
       40.9267 9.4956 5.0
       Status: Reserved
       Sardegna, Italy

OLC Olema
       38.0397 -122.7925 30.0
       Network: MNLO
       Status: Closed
       Marin County, California, U.S.A.
       19661222-19770223.

OLCH Olmué
       -32.9939 -71.1728 173.0
       Network: GUC
       Status: Open
       Valparaíso, Chile
       opened 20030731.

OLEF Ile d'Oléron
       45.9446 -1.3488 3.0
       Network: CFF
       Status: Open
       Poitou-Charentes, France
       opened 19901211.

OLF Olofström
       56.3080 14.4700 118.0
       Network: HFS
       Status: Closed
       Sweden
       198001-1991.

OLG Olintepeque
       14.8977 -91.5077 2855.0
       Network: GCG
       Status: Closed
       Guatemala
       opened 198010.

OLGA
       1.2243 -77.3537 4100.0
       Status: Open
       Colombia

OLHC Oulhaça
       35.2500 -1.4200 600.0
       Network: ALG
       Status: Open
       Algeria

OLIL Olney
       38.7338 -88.0991 150.0
       Network: SLM
       Status: Open
       Illinois, U.S.A.
       opened 20050304.

OLK Olkaria
       -0.8880 36.3240 1751.0
       Network: NAI
       Status: Closed
       Kenya
       199503-199610.

OLL Ollague
       -21.1750 -68.3717 4000.0
       Network: GUC
       Status: Closed
       Tarapacá, Chile
       opened 196511.

OLLA Las Ollas
       10.0190 -66.8040 947.0
       Network: CAR
       Status: Open
       Aragua, Venezuela
       opened 198301.

OLO Oologah
       36.4572 -95.7108 196.0
       Network: TUL
       Status: Closed
       Oklahoma, U.S.A.
       19761128-19770807.

OLQ Olympics--Lake Quinault
       47.6661 -123.8088 121.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 198007.

OLT Olot
       42.1443 2.4743 700.0
       Network: MRB
       Status: Open
       Cataluña, Spain
       opened 198512. Sent to NEIS by MDD.

OLW Olympia
       47.0728 -122.9225 37.0
       Status: Open
       Washington, U.S.A.
       opened 19860802

OLWK Olkaria West
       -0.8380 36.2640 1780.0
       Network: NAI
       Status: Closed
       Kenya
       199610-199704.

OLY Olyphant
       35.5027 -91.4700 236.0
       Network: CERI
       Status: Open
       Arkansas, U.S.A.
       opened 19791106. USTN before 198211-19940504.

oly (Local code. See International code OLYC.)

OLYC Mount Olympus
       33.4313 -117.1175 482.0
       Network: PAS
       Status: Open
       Riverside County, California, U.S.A.
       opened 198106. PAS code OLY.

OMA Omaezaki (Omaesaki)
       34.6017 138.2167 -165.0
       Network: JMA
       Status: Open
       Shizuoka, Honshu, Japan
       JMA code OMAEZA. Coords corrected slightly 20031119.

omaeza (Local code. See International code OMA.)

OMAN Sultan Qaboos University, Al-Khod, Oman
      
       Status: Network/Other

OMCO Orchard Mesa
       39.0270 -108.5170 0.0
       Network: MSCO
       Status: Open
       Colorado, U.S.A.
       opened 2001?

OME Ometepe
       11.5377 -85.6837 181.0
       Network: INET
       Status: Closed
       Nicaragua
       1975-before 199911.

OMG
      
       Status: Reserved
       Mexico
       (if not OMO).

OMID Djebel Midouna
       35.2800 -0.1900 745.0
       Network: ALG
       Status: Open
       Algeria

OMJ Ohmine
       36.6677 138.1820 506.0
       Network: ERIJ
       Status: Open
       Nagano, Honshu, Japan
       opened 19690101.

OMM Old Mammoth Mine
       37.6185 -118.9923 2750.0
       Network: REN
       Status: Open
       Mono County, California, U.S.A.
       opened 20000712. BB opened 20020101.

OMO
      
       Status: Reserved
       Mexico
       (if not OMG).

OMP (Alternate abbreviation for CGP.)
       Mindanao, Philippines

OMPT Observatoire Midi-Pyrenees, Toulouse, France
      
       Status: Network/Other

OMS Omsukchan
       62.5150 155.7750 527.0
       Network: NERS
       Status: Open
       Magadanskaya Oblast', Russia
       opened 1967. Coords corrected >2 km 20000125.

OMU
      
       Status: Reserved
       Utah, U.S.A.

OMW Omak
       48.4803 -119.5608 421.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 197506.

OMWY Oxenhope Moor
       53.7909 -1.9799 438.0
       Network: QMB
       Status: Reserved
       England, United Kingdom

OMZ Oamaru
       -45.0706 170.9147 95.0
       Network: WEL
       Status: Closed
       South Island, New Zealand
       19691016-19900731.

ON2 Olympics--North River
       46.8808 -123.7811 257.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 200004.

ONA Onahama
       36.9450 140.9067 3.0
       Network: JMA
       Status: Open
       Fukushima, Honshu, Japan
       JMA code ONAHAM.

onaha2 (Local code. See International code ONAJ.)

onaham (Local code. See International code ONA.)

ONAJ Onahama 2
       37.1017 140.7983 650.0
       Network: JMA
       Status: Open
       Fukushima, Honshu, Japan
       opened 19900423. JMA code ONAHA2. Coords corrected >1 km 20031118.

onbets (Local code. See International code JOB.)

ONE Onerahi (Whangarei)
       -35.7758 174.3625 30.0
       Network: WEL
       Status: Closed
       North Island, New Zealand
       closed 19850926.

ONF Office National des Forêts
       43.0950 -0.7160 30.0
       Network: PAR
       Status: Open
       Aquitaine, France
       opened 198502?

ONG Ongoro
       -15.8990 -72.4732 880.0
       Status: Closed
       Peru

ONH Oakhill (Concord)
       43.2792 -71.5056 280.0
       Network: CAM
       Status: Open
       New Hampshire, U.S.A.
       opened 197512.

ONI Oni
       42.5800 43.4500 810.0
       Network: TIF
       Status: Open
       Georgia
       opened 1932. Coords corrected >4 km 20000116. Sent to NEIS by OBN.

ONR Olympics--North River
       46.8771 -123.7712 257.0
       Network: SEA
       Status: Closed
       Washington, U.S.A.
       198007-200004. Moved to ON2.

ONTN Oneida
       36.4815 -84.4433 635.0
       Network: TVA
       Status: Open
       Tennessee, U.S.A.

ONTR Ontario
       43.2738 -77.3067 84.0
       Network: BLMY
       Status: Open
       New York, U.S.A.

OO- (Alternate abbreviation for OO-NW.)
       Norway

OO-NW Oslo
       61.0547 10.8661 555.0
       Network: LRSM
       Status: Closed
       Norway
       19630813-19650401.

OOM Omiya
       35.2167 138.6333 0.0
       Status: Closed
       Yamanashi, Honshu, Japan

OOS Ooshika
       35.5797 138.0487 805.0
       Network: NGY
       Status: Open
       Nagano, Honshu, Japan
       opened 197706.

OOT Ootomari
       46.6500 142.7667 36.0
       Status: Closed
       Sakhalinskaya Oblast', Russia

OOW Octopus West
       47.7367 -124.1894 743.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 198406.

OPA Opana
       21.6908 -158.0117 134.0
       Network: HON
       Status: Open
       Oahu, Hawaii, U.S.A.
       opened 196504. USTN opened before 198302.

OPL Opal Mound
       38.4817 -112.8720 1766.0
       Network: SLCI
       Status: Open
       Beaver County, Utah, U.S.A.

OPLO Oploo
       51.5888 5.8121 0.0
       Network: DBN
       Status: Open
       The Netherlands
       opened 19980903. BB station.

OPO Ambohidratompo
       -18.5706 47.1879 1463.0
       Network: TAN
       Status: Open
       Madagascar
       opened 197809. Coords corrected >17 km 20000726.

OPT Oil Point
       59.6528 -153.2297 625.0
       Network: GIA
       Status: Open
       Alaska Peninsula, Alaska, U.S.A.
       opened 1974.

OR- (Alternate abbreviation for OR-FL.)
       Florida, U.S.A.

OR-FL Orlando
       28.4669 -81.2214 20.0
       Network: LRSM
       Status: Closed
       Florida, U.S.A.
       19630514-19630915.

OR1 (Alternate abbreviation for ORI.)
       Calabria, Italy

ORA Oran
       55.9300 113.6700 705.0
       Network: BYKL
       Status: Open
       Buryatiya, Russia
       opened 1979. Coords corrected >5 km 20000122.

ora (Local code. See International code ORAM.)

ORAM Rattlesnake Point
       39.4687 -121.4135 588.0
       Network: MNLO
       Status: Open
       Butte County, California, U.S.A.
       opened 19750805. MNLO code ORA.

ORB Orbe
       46.7167 6.5167 0.0
       Status: Closed
       Switzerland
       closed 1925.

ORC Owens River
       37.6353 -118.6560 2301.0
       Network: REN
       Status: Open
       Mono County, California, U.S.A.
       opened 197911.

orc (Local code. See International code ORCC.)

ORCC Oricopia Mountain
       33.5662 -115.7692 1087.0
       Network: PAS
       Status: Open
       Riverside County, California, U.S.A.
       opened 198105. PAS code ORC. MNLO code ORKC.

ORCD Orcadas
       -60.7381 -44.7361 0.0
       Network: TRI
       Status: Open
       South Orkney Islands, Antarctica
       opened 19970318.

ORCV Isla La Orchila
       11.8120 -66.1940 22.0
       Network: CAR
       Status: Open
       Dependencias Federales, Venezuela
       opened 20030115. BB station.

ORDF Ordiarp
       43.2135 -0.9357 270.0
       Network: OMPT
       Status: Open
       Aquitaine, France
       opened 19971028.

ORE Reay
       58.5480 -3.7622 100.0
       Network: BGS
       Status: Open
       Scotland, United Kingdom
       opened 19950921.

ORG Organya (Orgañá)
       42.2278 1.3322 740.0
       Network: MRB
       Status: Open
       Cataluña, Spain
       opened 199512.

ORGA
       49.5539 -114.1008 1257.0
       Status: Open
       Alberta, Canada
       Sent to NEIS by PGC.

ORGV Orgiva
       36.8572 -3.4322 1600.0
       Network: CRT
       Status: Reserved
       Andalucía, Spain
       BB station.

ORH Orhaniye
       40.8602 30.0707 320.0
       Network: ISK
       Status: Open
       Turkey
       opened 19950101.

ORHR Oreshnoe
       55.3020 93.6650 444.0
       Status: Open
       Krasnoyarskiy Kray, Russia
       opened 20030307.

ORI Oriolo
       40.0635 16.4492 375.0
       Network: ROM
       Status: Open
       Calabria, Italy
       opened 198201.

ORIF Oris-en-Rattier
       44.9183 5.8800 1082.0
       Network: LDG
       Status: Open
       Rhône-Alpes, France
       opened 199604.

ORIV Oritupano
       9.0700 -63.4090 123.0
       Network: CAR
       Status: Open
       Monagas, Venezuela
       opened 20020506. BB station.

ORJ Oura
       35.5171 136.1197 150.0
       Network: DRI
       Status: Closed
       Shiga, Honshu, Japan
       197209-197312.

ORK Örkelljunga
       56.2680 13.2620 96.0
       Network: HFS
       Status: Closed
       Sweden
       198001-1991.

ork (Local code. See International code OTK.)

orkc (Local code. See International code ORCC.)

ORL Orlik
       52.5389 99.8100 1360.0
       Network: BYKL
       Status: Open
       Buryatiya, Russia
       opened 1967. Coords corrected >3 km 20000122. Coords corrected >2 km 20011125.

ORLT Orhaneli
       40.0460 28.8960 649.0
       Network: ISK
       Status: Open
       Turkey
       opened 20020401.

ORO Oropa
       45.6275 7.9814 1160.0
       Network: ROM
       Status: Open
       Piemonte, Italy
       reopened 198202. Coords corrected 199909.

ORT Oak Ridge
       35.9095 -84.3048 370.0
       Status: Open
       Tennessee, U.S.A.
       opened 196706. USTN 19780803-before 198211.

ORV Oroville
       39.5545 -121.5004 334.7
       Network: CDWR
       Status: Open
       Butte County, California, U.S.A.
       opened 196308. Coords corrected 20000628. FBA and other inst. at 39.55476N, 121.50024, 339.9m.

orvm (Local code. See International code IIO.)

ORX Oropa
       45.6325 7.9817 1250.0
       Network: GEN
       Status: Open
       Piemonte, Italy

OSA Osaka
       34.6783 135.5217 13.0
       Network: JMA
       Status: Open
       Osaka, Honshu, Japan
       moved 1936 and 196804.

osaka2 (Local code. See International code OSK.)

OSB Orangeburg
       33.5472 -80.8444 91.0
       Network: USGS
       Status: Open
       South Carolina, U.S.A.
       19770402-19831201. USTN 19821004-198312?

OSBY Osborn
       41.3603 -73.9239 212.0
       Network: BLMY
       Status: Reserved
       New York, U.S.A.
       opened 19750618.

OSC Orangeburg
       33.5397 -80.8250 60.0
       Network: USGS
       Status: Closed
       South Carolina, U.S.A.
       19740520-19770402.

osc (Local code. See International code OSCM.)

OSCH Osorno
       -40.5758 -73.1276 45.0
       Network: GUC
       Status: Open
       Los Lagos, Chile
       opened 20030701.

OSCM Ostuacán
       17.4056 -93.3347 0.0
       Network: UNM
       Status: Closed
       Chiapas, Mexico
       closed before 199911. UNM code OSC.

OSD Olympics--Snow Dome
       47.8208 -123.7017 2010.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 198410.

OSG Oseberg A Platform
       60.4970 2.8760 -100.0
       Network: BER
       Status: Closed
       Norway
       1988-2003?

OSH Oshima (Osima)
       34.7617 139.3783 191.0
       Network: JMA
       Status: Closed
       Bonin Islands, Japan
       closed 19911018.

OSHJ Oshima
       34.7467 139.3667 76.0
       Network: JMA
       Status: Open
       Bonin Islands, Japan
       opened 19911218.

OSI Osito Adit
       34.6145 -118.7235 676.0
       Network: PAS
       Status: Open
       Los Angeles County, California, U.S.A.
       opened 19950628.

OSK Osaka (Takayasuyama)
       34.6117 135.6600 472.0
       Network: JMA
       Status: Open
       Osaka, Honshu, Japan
       JMA code OSAKA2.

OSKU Oskarshamn
       57.1947 16.0994 100.0
       Network: UPP
       Status: Open
       Sweden
       opened 20021101. Sweden SNSN station.

OSL Oslo
       59.9372 10.7227 70.0
       Network: BER
       Status: Open
       Norway
       opened 200004.

OSLO Ohio State University--Lima
       40.7390 -84.0250 284.0
       Network: OGSO
       Status: Open
       Ohio, U.S.A.

OSM Ostula
       18.4972 -103.4719 0.0
       Network: UNM
       Status: Closed
       Michoacán, Mexico
       closed before 199911.

OSML Os-Marcillon
       43.3892 -0.5928 105.0
       Network: STR
       Status: Open
       Aquitaine, France
       ReNaSS opened 199505.

OSMO Ohio State University--Mansfield
       40.7970 -82.5790 420.0
       Network: OGSO
       Status: Open
       Ohio, U.S.A.
       opened 2000?

OSMT Osmaniye
       40.6022 29.7002 820.0
       Network: ISK
       Status: Open
       Turkey
       opened 19930101.

OSNY Ossining
       41.2117 -73.8283 122.0
       Network: BLMY
       Status: Open
       New York, U.S.A.

OSP Olympics--Sooes Peak
       48.2849 -124.5898 585.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 198310.

OSPF L'Ospedale
       41.6632 9.1915 965.0
       Network: STR
       Status: Open
       Corse, France
       opened 20020101.

OSR Olympics--Salmon Ridge
       47.5056 -123.9617 815.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 19890913.

OSS Ova Spin
       46.6868 10.1437 1700.0
       Network: ZUR
       Status: Open
       Switzerland
       opened 1982

oss (Local code. See International code OSSR.)

OSSF Ossès
       43.2560 -1.2618 240.0
       Network: OMPT
       Status: Open
       Midi-Pyrénées, France
       opened 19970601. ReNaSS station.

OSSR Ossora
       59.2500 163.0600 5.0
       Network: KRSC
       Status: Open
       Koryakskiy Avtonomnyy Okrug, Russia
       opened 1973. Coords corrected 20000124. OBN code OSS.

OST Stronsay
       59.0860 -2.5516 15.0
       Network: BGS
       Status: Open
       Orkney Islands, United Kingdom
       opened 19950921.

ost (Local code. See International code OSTM.)

OSTM Stimpson Lane
       39.3688 -121.5970 28.0
       Network: MNLO
       Status: Open
       Butte County, California, U.S.A.
       opened 19750805. MNLO code OST.

OSTOP (keyword for telegraphic format)
      
       Status: Network/Other

OSTU Östervåla
       60.2298 17.1342 100.0
       Network: UPP
       Status: Open
       Sweden
       opened 20011220. Sweden SNSN station.

osu (Local code. See International code OSUM.)

OSUM Sutter Buttes
       39.2712 -121.8523 67.0
       Network: MNLO
       Status: Open
       Sutter County, California, U.S.A.
       opened 19760401. MNLO code OSU.

OSUO Ohio State University
      
       Network: OGSO
       Status: Reserved
       Ohio, U.S.A.
       planned station of OGSO network.

OSV Páramo de la Osa
       8.6410 -71.4870 1780.0
       Network: UAV
       Status: Open
       Mérida, Venezuela

OSWG Oswego
       43.5170 -76.4162 84.0
       Network: BLMY
       Status: Open
       New York, U.S.A.

osz (Local code. See International code ZHI.)

OT2 Othello
       46.7214 -119.2347 355.0
       Network: SEA
       Status: Closed
       Washington, U.S.A.
       198812-199408. Replaced by OT3.

OT3 Othello 3
       46.6690 -119.2330 322.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 199408.

OTAV Otavalo
       0.2376 -78.4508 3492.0
       Network: QUI
       Status: Open
       Ecuador
       opened 20000907.

OTAZ Otara
       -36.9511 174.9247 0.0
       Network: WELA
       Status: Open
       North Island, New Zealand
       opened 19960915.

otb (Local code. See International code OTBM.)

OTBM Table Mountain
       39.5457 -121.5610 219.0
       Network: MNLO
       Status: Open
       Butte County, California, U.S.A.
       opened 19750906. MNLO code OTB.

OTH Othello
       46.7390 -119.2165 384.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 196903.

OTI Otiai
       47.3333 142.7833 0.0
       Status: Closed
       Sakhalinskaya Oblast', Russia

OTK Orto-Tokoy
       42.3460 76.0170 1700.0
       Network: KYRG
       Status: Open
       Kyrgyzstan
       opened 1971. Coords corrected >6 km 20000120. OBN code ORK.

OTL Oterleek
       52.6299 4.8226 -3.0
       Network: DBN
       Status: Open
       The Netherlands
       opened 19950421.

otl (Local code. See International code OUT.)

OTLM Tlemcen
       34.8800 -1.3500 801.0
       Network: ALG
       Status: Reserved
       Algeria

OTO Tongue
       58.4953 -4.3940 338.0
       Network: BGS
       Status: Open
       Scotland, United Kingdom
       opened 19950921.

OTP Otepa
       -18.1675 -140.8567 2.0
       Network: PPT
       Status: Open
       Tuamotu Archipelago, French Polynesia
       opened 1976.

OTR Olympics--Tyee Ridge
       48.0833 -124.3442 712.0
       Network: SEA
       Status: Open
       Washington, U.S.A.
       opened 198406.

OTRO Otter Rapids
       50.1818 -81.6286 109.0
       Network: POLR
       Status: Open
       Ontario, Canada
       opened 20030618. BB station.

OTRP Odiongan
       12.3620 122.0210 120.0
       Network: PIVS
       Status: Open
       Luzon, Philippines

OTSS Djebel Tessala
       35.2817 -0.7942 1055.0
       Network: ALG
       Status: Open
       Algeria
       former ALG code TSS.

OTT Ottawa
       45.3939 -75.7158 83.0
       Network: OTT
       Status: Open
       Ontario, Canada
       opened 1906. ECTN 19740224-19780425; reopened 19780126.

OTW Orongorongo Tunnel
       -41.2775 175.0042 230.0
       Network: WELW
       Status: Open
       North Island, New Zealand
       opened 19920728.

OTZ Ortiz Mountain
       35.7603 -106.1728 2091.0
       Network: LOA
       Status: Open
       New Mexico, U.S.A.
       opened 19760917.

OUA Ouanaham
       -20.7747 167.2439 29.0
       Network: NOU
       Status: Open
       Îles Loyauté, New Caledonia

OUAO Ohio University
       39.3220 -82.0970 217.0
       Network: OGSO
       Status: Open
       Ohio, U.S.A.

OUJ Oujda
       34.6570 -1.9010 600.0
       Network: CNRM
       Status: Open
       Morocco

OUK Oukaïmedene
       31.2090 -7.8680 2720.0
       Network: CNRM
       Status: Open
       Morocco

OUL Oulu
       65.0853 25.8964 60.0
       Network: HEL
       Status: Open
       Finland

OUR Ouranopolis
       40.3344 23.9819 60.0
       Network: THE
       Status: Open
       Kedrikí Makedhonía, Greece
       opened 19810101.

OUT Outlet
       19.3897 -155.2823 1038.0
       Network: HVO
       Status: Open
       Hawai`i, Hawaii, U.S.A.
       opened 195807; moved slightly 19710627. HVO code OTL.

OUZ Omahuta
       -35.2214 173.5961 40.0
       Network: WEL
       Status: Open
       North Island, New Zealand
       opened 19910312.

OV1 (Alternate abbreviation for OVO.)
       Campania, Italy

OVA Ovalau
       -17.6862 178.7837 439.0
       Network: SVA
       Status: Open
       Fiji
       opened 197910.

OVCH Ovalle
       -30.6080 -71.2010 222.0
       Network: GUC
       Status: Open
       Coquimbo, Chile
       opened 19990426.

OVE Overton
       36.5311 -114.4425 395.0
       Network: NEIC
       Status: Closed
       Nevada, U.S.A.
       194007-194710; 194902-195207.

ove (Local code. See International code OVEH.)

OVEH Oceanview Estates
       19.1535 -155.7653 1378.0
       Network: HVO
       Status: Open
       Hawai`i, Hawaii, U.S.A.
       opened 19950424. HVO code OVE.

OVMT Ovando
       47.0643 -112.9967 1494.0
       Network: BUT
       Status: Open
       Montana, U.S.A.
       opened 19961014.

OVO Osservatorio Vesuviano
       40.8267 14.3978 606.0
       Network: OVO
       Status: Open
       Campania, Italy
       opened 197412. Sent to NEIS by ROM.

OWA Owase
       34.0667 136.1950 14.0
       Network: JMA
       Status: Open
       Mie, Honshu, Japan

OWE Westray
       59.3180 -3.0289 87.0
       Network: BGS
       Status: Open
       Orkney Islands, United Kingdom
       opened 19950921.

OWUT Old Woman Plateau
       38.7800 -111.4237 2568.0
       Network: SLC
       Status: Open
       Sevier County, Utah, U.S.A.
       opened 19890208.

owy (Local code. See International code OWYM.)

OWYM Wyandotte
       39.4530 -121.4868 168.0
       Network: MNLO
       Status: Open
       Butte County, California, U.S.A.
       opened 19750805. MNLO code OWY.

OXD Oxford
       51.7667 -1.2500 61.0
       Status: Closed
       England, United Kingdom

OXF Oxford
       34.5118 -89.4092 101.0
       Network: NEIC
       Status: Open
       Mississippi, U.S.A.
       WWSS 1963-197605. Reopened as USNN 19930917.

oxig (Local code. See International code VHO.)

OXM Oxtotitlan
       19.2972 -99.6883 2700.0
       Network: UNM
       Status: Closed
       México, Mexico
       closed 198804.

OXMT Ox Mountain
       37.4994 -122.4243 14.8
       Network: BRK
       Status: Open
       San Mateo County, California, U.S.A.
       opened 20031220.

OXX Oaxaca
       17.0817 -96.7233 1730.0
       Network: UNM
       Status: Open
       Oaxaca, Mexico
       opened 1984. MEX network until 1988.

OYM Oyama
       35.4201 139.2430 600.0
       Network: ERIJ
       Status: Open
       Kanagawa, Honshu, Japan
       opened 197004.

OYT Oya 1
       35.3339 134.6645 260.0
       Network: DRI
       Status: Closed
       Hyogo, Honshu, Japan
       196411-196910.

oyt (Local code. See International code OYT2.)

OYT2 Oya 2
       35.3218 134.6658 230.0
       Network: DRI
       Status: Reserved
       Hyogo, Honshu, Japan
       opened 196911. DRI code OYT.

OZB Mount Ozzard
       48.9603 -125.4928 671.0
       Network: WCTN
       Status: Open
       British Columbia, Canada
       opened 19820429. CNSN BB opened 199603.

OZC Ocozocuautla
       16.7850 -93.3730 864.0
       Network: IIM
       Status: Open
       Chiapas, Mexico
       Also sent to NEIS by UNM.

OZE Ozernaya
       56.3000 113.9800 620.0
       Network: BYKL
       Status: Open
       Buryatiya, Russia
       opened 1978. Coords corrected >1 km 20000122.

OZUR
       46.0957 25.7864 674.0
       Network: BUC
       Status: Open
       Romania
       opened 19990420.