| WBAN | Call Sign | Station Name | State | Location | Primary Site | Site Has Data | See Details |
|---|---|---|---|---|---|---|---|
| 93210 | OVE | OROVILLE | CA | OROVILLE MUNICIPAL AIRPORT | Y | Y | Details |
| 04958 | ORB | ORR | MN | ORR REGIONAL AIRPORT | Y | Details | |
| 04982 | VVV | ORTHONVILLE | MN | ORTHONVILLE MUNI-MARTINSON FIELD AIRPORT | Y | Details | |
| 54942 | I75 | OSCEOLA | IA | OSCEOLA MUNICIPAL AIRPORT | Y | Details | |
| 54912 | OEO | OSCEOLA | WI | L.O. SIMENSTAD MUNICIPAL AIRPORT | Y | Details | |
| 14808 | OSC | OSCODA | MI | OSCODA-WURTSMITH AIRPORT | Y | Details | |
| 94855 | OSH | OSHKOSH | WI | WHITTMAN REGIONAL AIRPORT | Y | Y | Details |
| 54919 | OOA | OSKALOOSA | IA | OSKALOOSA MUNICIPAL AIRPORT | Y | Details | |
| 14950 | OTM | OTTUMWA | IA | OTTUMWA INDUSTRIAL AIRPORT | Y | Y | Details |
| 04961 | OWA | OWATONNA | MN | OWATONNA DEGNER RGNL ARPT | Y | Details | |
| 53803 | OWB | OWENSBORO | KY | OWENSBORO-DAVIESS COUNTY AIRPORT | Y | Y | Details |
| 54824 | RNP | OWOSSO | MI | OWOSSO COMMUNITY AIRPORT | Y | Details | |
| 64707 | OXC | OXFORD | CT | WATERBURY-OXFORD AIRPORT | Y | Details | |
| 53806 | UOX | OXFORD | MS | OXFORD UNIV | Details | ||
| 03711 | HNZ | OXFORD | NC | HENDERSON-OXFORD AIRPORT | Y | Details | |
| 00273 | 9A1 | OXFORD | GA | COVINGTON MUNICIPAL AIRPORT | Details | ||
| 93110 | OXR | OXNARD | CA | OXNARD AIRPORT | Y | Y | Details |
| 00239 | OZA | OZONA | TX | OZONA MUNICIPAL AIRPORT | Details | ||
| 03816 | PAH | PADUCAH | KY | BARKLEY REGIONAL AIRPORT | Y | Y | Details |
| 03162 | PGA | PAGE | AZ | PAGE MUNICIPAL AIRPORT | Y | Y | Details |
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