SEA LEVEL STATION MONITORING FACILITY
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Station metadata
Code ganm
Country Maldive Islands
Location Gan
Status Operational
Added to the system 2007-11-24 19:34:00
Local Contact Maldives Meteorological Department ( Maldives )
Other Contact University of Hawaii Sea Level Center ( USA )
GLOSS core ID 27   [goto handbook]
Long-term MSL data
Latitude -0.6867
Longitude 73.1517
Connection GTS message
GTS message type SZXX01
GTS station code 300434064634660
Transmit interval (min) 5
Transmit lag UTC (sec) 0
Ave. transmit delay (min) 5
Messages received (24h) 821
Messages expected (24h) 288
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 at2024-04-18 12:19:00
Last data received at2024-04-18 12:25:03
Measurements received in 24h1375
Measurements expected1440
Performance ratio95%
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 at2024-04-18 12:20:00
Last data received at2024-04-18 12:25:03
Measurements received in 24h1375
Measurements expected1440
Performance ratio95%
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 at2024-04-18 12:20:00
Last data received at2024-04-18 12:25:03
Measurements received in 24h1375
Measurements expected1440
Performance ratio95%
Sensor 4
Type of sensorbat (battery)
Sampling rate (min)5
    GTS format
Units of measureV
First value4
Samples1
Reversed orderyes
    Performance statistics
Last data measured at2024-04-18 12:16:00
Last data received at2024-04-18 12:25:03
Measurements received in 24h275
Measurements expected288
Performance ratio95%
Sensor 5
Type of sensorra3 (3rd radar)
Sampling rate (min)1
    GTS format
Units of measuremin
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2024-04-18 12:20:00
Last data received at2024-04-18 12:25:03
Measurements received in 24h1375
Measurements expected1440
Performance ratio95%
Sensor 6
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 at2024-04-18 12:20:00
Last data received at2024-04-18 12:25:03
Measurements received in 24h1375
Measurements expected1440
Performance ratio95%
Period SignalsData

12h
day
7 days
30 days
 prs (pressure)
rad (radar)
ra2 (2nd radar)
ra3 (3rd 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
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