SEA LEVEL STATION MONITORING FACILITY
IntroMapStation listsStation detailsServices & FAQGLOSSCatalog
[previous station] Station at GMT [next station]
[less details] [GTS message] [show data] [show on map] [monitor]
Station metadata
Code garc
Country UK
Location Diego Garcia
Status Operational
Status description Tide gauge on West side of main port. South of pump house.
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 SZXX01
GTS station code 301434061608080
Transmit interval (min) 15
Transmit lag UTC (sec) 0
Ave. transmit delay (min) 5
Messages received (24h) 813
Messages expected (24h) 96
Sensor 1
Type of sensorprs (pressure)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2025-11-01 16:45:00
Last data received at2025-11-01 16:50:09
Measurements received in 24h1355
Measurements expected1440
Performance ratio94%
Sensor 2
Type of sensorrad (radar)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2025-11-01 16:45:00
Last data received at2025-11-01 16:50:09
Measurements received in 24h1355
Measurements expected1440
Performance ratio94%
Sensor 3
Type of sensorra2 (2nd radar)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2025-11-01 16:45:00
Last data received at2025-11-01 16:50:09
Measurements received in 24h1355
Measurements expected1440
Performance ratio94%
Sensor 4
Type of sensorras (radar in stilling well)
Sampling rate (min)1
    GTS format
Units of measuremin
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2025-11-01 16:44:00
Last data received at2025-11-01 16:50:09
Measurements received in 24h1355
Measurements expected1440
Performance ratio94%
Sensor 5
Type of sensorbat (battery)
Sampling rate (min)5
    GTS format
Units of measuremin
First value4
Samples1
Reversed orderyes
    Performance statistics
Last data measured at2025-11-01 16:41:00
Last data received at2025-11-01 16:50:09
Measurements received in 24h271
Measurements expected288
Performance ratio94%
Sensor 6
Type of sensoratm (atmospheric pressure)
Sampling rate (min)5
    GTS format
Units of measurem
First value4
Samples1
Reversed orderyes
    Performance statistics
Last data measured at2025-11-01 16:45:00
Last data received at2025-11-01 16:50:09
Measurements received in 24h271
Measurements expected288
Performance ratio94%
Period SignalsData

12h
day
7 days
30 days
 prs (pressure)
rad (radar)
ra2 (2nd radar)
ras (radar in stilling well)
Remove outliers
Remove spikes 		Relative levels = signal - median over selected period
Absolute levels = as received
Offset signals = relative levels + offset
Show battery voltage
Tip:use left icons to zoom & scroll
Site developed and maintained by VLIZ for UNESCO/IOC
disclaimer | contact