| General | |
| GLOSS number | 193 |
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| Station name | Porto de Rio Grande |
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| Country | Brazil |
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| Time zone | 045W, GMT - 3hrs |
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| Latitude (+ve N) | -32.1 |
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| Longitude (+ve E) | -52.18333 |
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| Ocean | Atlantic |
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| Observation period(s) | 1990- |
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| Responsible country | Brazil |
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Authority responsible
for tide gauge | Directoria de Hidrografiae Navegacao, Divisao de Servicos Oceanicos, Rua Barão de Jaceguay, s/nº Ponta da Armação – Niterói |
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| GLOSS contact | Brazil |
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| Committed to GLOSS | Yes |
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| Operational | Yes |
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| Location map |  |
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| Instrumentation | |
| Float | Yes |
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| Pressure | No |
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| Bubbler | No |
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| Acoustic | No |
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| Radar | Yes |
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| Data | |
| Data acquisition rate | Hourly heights |
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| High frequency data at UHSLC |    |
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| Real-time data available | No |
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| Benchmarks | |
| Tide gauge benchmarks | Ordnance survey grid reference: RN-INSP/39A, put on the south face of 'Leal Santos' factory pier. |
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| Benchmark relationships | Tide Gauge Zero (TGZ) = 322.9cm below TGBM
Chart Datum (CD) is 275.2cm below TGBM
TGZ = 47.7cm below CD
|
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| Auxiliary benchmarks | RN-INSP/39: It is on the front wall of 'Leal Santos' factory on the left gate. It is 153.2cm above RN-INSP/39A. |
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| Data at PSMSL | |
| MSL method | Godin filter |
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| Other relevant codes | UHSLC 714 |
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| Additional information | |
| Nearest Met. station | WMO No. 83995 - Rio Grande |
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| Last updated | 1992-09-26 |
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