SEA LEVEL STATION MONITORING FACILITY
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Station metadata
Code colo
Country Sri Lanka
Location Colombo
Status Operational
Status description 2017-01-04 Jerard Jardin: relocated the tide gauge to the same location as the historic GLOSS station, in the port of Colombo
Added to the system 2006-06-21 17:21:00
Local Contact National Aquatic Resources Research and Development Agency ( Sri Lanka )
Other Contact University of Hawaii Sea Level Center ( USA )
GLOSS core ID 33   [goto handbook]
Long-term MSL data
Latitude 6.9406
Longitude 79.8503833
Connection GTS message
GTS message type SWIO40
GTS station code 0650018E
Transmit interval (min) 15
Transmit lag UTC (sec) 0
Ave. transmit delay (min) 2
Messages received (24h) 92
Messages expected (24h) 96
Sensor 1
Type of sensorprs (pressure)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples30
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 13:45:00
Last data received at2024-11-23 13:47:01
Measurements received in 24h1440
Measurements expected1440
Performance ratio100%
Sensor 2
Type of sensorrad (radar)
Sampling rate (min)3
    GTS format
Units of measurem
First value37
Samples10
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 13:45:00
Last data received at2024-11-23 13:47:01
Measurements received in 24h480
Measurements expected480
Performance ratio100%
Sensor 3
Type of sensorra2 (2nd radar)
Sampling rate (min)3
    GTS format
Units of measurem
First value50
Samples10
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 13:45:00
Last data received at2024-11-23 13:47:01
Measurements received in 24h480
Measurements expected480
Performance ratio100%
Sensor 4
Type of sensorsw1 (1st switch)
Sampling rate (min)60
    GTS format
Units of measurem
First value63
Samples1
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 13:45:00
Last data received at2024-11-23 13:47:01
Measurements received in 24h92
Measurements expected24
Performance ratio383%
Sensor 5
Type of sensorsw2 (2nd switch)
Sampling rate (min)60
    GTS format
Units of measurem
First value67
Samples1
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 13:45:00
Last data received at2024-11-23 13:47:01
Measurements received in 24h92
Measurements expected24
Performance ratio383%
Sensor 6
Type of sensorbat (battery)
Sampling rate (min)15
    GTS format
Units of measurem
First value71
Samples1
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 13:45:00
Last data received at2024-11-23 13:47:01
Measurements received in 24h92
Measurements expected96
Performance ratio96%
Period SignalsData

12h
day
7 days
30 days
 prs (pressure)
rad (radar)
ra2 (2nd radar)
Remove outliers
Remove spikes 		Relative levels = signal - median over selected period
Absolute levels = as received
Offset signals = relative levels + offset
Show switch data
Show battery voltage
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