SEA LEVEL STATION MONITORING FACILITY
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Station metadata
Code garc
Country UK
Location Diego Garcia
Status Operational
Added to the system 2007-11-23 10:27:00
Local Contact University of Hawaii Sea Level Center ( USA )
GLOSS core ID 26   [goto handbook]
Long-term MSL data
Latitude -7.2903361
Longitude 72.393875
Connection GTS message
GTS message type SXXX32
GTS station code 18963134
Transmit interval (min) 15
Transmit lag UTC (sec) 0
Ave. transmit delay (min) 5
Messages received (24h) 70
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 14:21:00
Last data received at2024-11-23 14:28:01
Measurements received in 24h1231
Measurements expected1440
Performance ratio85%
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 14:21:00
Last data received at2024-11-23 14:28:01
Measurements received in 24h346
Measurements expected480
Performance ratio72%
Sensor 3
Type of sensorenc (float sensor with encoder)
Sampling rate (min)5
    GTS format
Units of measurem
First value50
Samples6
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 14:21:00
Last data received at2024-11-23 14:28:01
Measurements received in 24h199
Measurements expected288
Performance ratio69%
Sensor 4
Type of sensorsw1 (1st switch)
Sampling rate (min)60
    GTS format
Units of measuremin
First value59
Samples1
Reversed orderno
    Performance statistics
Last data measured at2024-11-23 14:21:00
Last data received at2024-11-23 14:28:01
Measurements received in 24h53
Measurements expected24
Performance ratio221%
Sensor 5
Type of sensorsw2 (2nd switch)
Sampling rate (min)60
    GTS format
Units of measuremin
First value63
Samples1
Reversed orderno
    Performance statistics
Last data measured at2024-11-23 14:21:00
Last data received at2024-11-23 14:28:01
Measurements received in 24h52
Measurements expected24
Performance ratio217%
Sensor 6
Type of sensorbat (battery)
Sampling rate (min)15
    GTS format
Units of measureV
First value67
Samples1
Reversed orderno
    Performance statistics
Last data measured at2024-11-23 14:21:00
Last data received at2024-11-23 14:28:01
Measurements received in 24h52
Measurements expected96
Performance ratio54%
Period SignalsData

12h
day
7 days
30 days
 prs (pressure)
rad (radar)
enc (float sensor with encoder)
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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