GLOSS Station Handbook
Station information sheet
General | |
GLOSS number | 144 |
Station name | Pago Pago, American Samoa |
Country | U.S.A. |
Time zone | 165W, GMT - 11hrs |
Latitude (+ve N) | -14.28333 |
Longitude (+ve E) | -170.68333 |
Ocean | Pacific |
Observation period(s) | 1948-, upgrade due 2007 |
Responsible country | U.S.A. |
Authority responsible for tide gauge | NOAA, National Ocean Service, 1305 East-West Highway, Silver Spring, MD 20910-3281, USA |
GLOSS contact | USA |
Committed to GLOSS | Yes |
Operational | Yes |
Location map | |
Instrumentation | |
Float | Yes |
Pressure | No |
Bubbler | Yes |
Acoustic | Yes |
Radar | No |
Data | |
Digital data | Yes |
Additional parameters | Sea surface temperature, density, barometric pressure |
Data acquisition rate | Digital gauge: 6 minute interval (after 1977) Analog gauge: hourly heights (before 1977) |
Fast delivery data at UHSLC | |
High frequency data at BODC | |
High frequency data at UHSLC | |
Data held at national organisation | Yes |
Real-time data available | Yes |
Real-time data transmitted to GLOSS Fast Centre | |
Additional parameters (real-time) | Sea surface temperature, density, barometric pressure |
Benchmarks | |
Tide gauge benchmarks | Benchmark M 1983 is the primary benchmark stamped '0000 M 1983' set in a bedrock outcrop at the southernmost corner of the wall surrounding the Government Estate. |
Benchmark relationships | TGBM is 13.20ft above Tide Gauge Zero (Station Datum) NOAA Chart Datum (MLLW) is 2.48ft above Station Datum Mean Sea Level (1960-1978) is 3.83ft above Station Datum |
Auxiliary benchmarks | 8 additional benchmarks are levelled to the TGBM and the Tide Station on a yearly basis (BM K, BM 1, BM 13, BM 14, BM N, BM 10, BM P, BM Q). New benchmarks established (July 1993) BMs R, S, T, U and V. |
Data at PSMSL | |
Annual MSL (RLR) data | |
Annual MSL (RLR) plot | |
PSMSL code | 539 |
Other relevant codes | UHSLC 056 |
Additional information | |
Other relevant information | GPS nearby |
Last updated | 1993-12-05 |