| General | |
| GLOSS number | 63 |
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| Station name | Alotau |
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| Country | Papua New Guinea |
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| Time zone | 150E, GMT + 10hrs |
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| Latitude (+ve N) | -10.31666 |
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| Longitude (+ve E) | 150.45 |
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| Ocean | Pacific |
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| Observation period(s) | 1984-1995 |
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| Responsible country | Australia |
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Authority responsible
for tide gauge | Division of Oceanography, CSIRO, GPO Box 1538, Hobart, TAS 7001, Australia
NTF Australia |
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| GLOSS contact | Papua_New_Guinea |
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| Committed to GLOSS | Yes |
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| Operational | No |
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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 | No |
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| Data | |
| Digital data | Yes |
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| Data acquisition rate | 15 minute sampling |
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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 | ALU 3 a brass rod set in concrete on the west side of the Overseas Shed. |
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| Benchmark relationships | Gauge datum is 3.255m below TGBM (Sep 1984-). |
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| Auxiliary benchmarks | ALU 4 a stainless steel rod in concrete footing on west side of Port Manager's Office.
ALU 5 a brass plaque stamped '9474', north west of Overseas Shed.
ALU 1 a stainless steel rod in concrete in SW corner of Overseas Wharf.
ALU 2 a stainless steel bolt set in concrete in the SW corner of the Harbours Board compound.
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| Data at PSMSL | |
| Annual MSL (RLR) data | Yes (Monthly metric data only available) |
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| PSMSL code | 670/006 |
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| Other relevant codes | NTF port no. 55830, UHSLC 069 |
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| Additional information | |
| Other relevant information | Benchmarks ALU 1 and ALU 2 considered unstable 1990.
Float/stilling well analogue gauge operated at Alotau by Department of Public Works 1971-1973.
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| Last updated | 2002-10-16 |
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