SEA LEVEL STATION MONITORING FACILITY
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Station metadata
Code laru2
Country Seychelles
Location Point LaRue
Status Operational
Added to the system 2007-11-27 14:10:00
Local Contact Seychelles Meteorological Authority ( Seychelles )
Other Contact University of Hawaii Sea Level Center ( USA )
GLOSS core ID 339   [goto handbook]
Long-term MSL data
Latitude -4.672
Longitude 55.528
Connection GTS message
GTS message type SXXX32
GTS station code 12FD90D0
Transmit interval (min) 6
Transmit lag UTC (sec) 0
Ave. transmit delay (min) 6
Messages received (24h) 120
Messages expected (24h) 240
Sensor 1
Type of sensorprs (pressure)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples12
Reversed orderyes
    Performance statistics
Last data measured at2026-07-04 16:00:00
Last data received at2026-07-04 16:03:17
Measurements received in 24h744
Measurements expected1440
Performance ratio52%
Sensor 2
Type of sensorrad (radar)
Sampling rate (min)3
    GTS format
Units of measurem
First value19
Samples10
Reversed orderyes
    Performance statistics
Last data measured at2026-07-04 16:00:00
Last data received at2026-07-04 16:03:17
Measurements received in 24h247
Measurements expected480
Performance ratio51%
Sensor 3
Type of sensorenc (float sensor with encoder)
Sampling rate (min)6
    GTS format
Units of measurem
First value32
Samples10
Reversed orderyes
    Performance statistics
Last data measured at2026-07-04 16:00:00
Last data received at2026-07-04 16:03:17
Measurements received in 24h130
Measurements expected240
Performance ratio54%
Sensor 4
Type of sensorra2 (2nd radar)
Sampling rate (min)6
    GTS format
Units of measurem
First value45
Samples10
Reversed orderyes
    Performance statistics
Last data measured at2026-07-04 16:00:00
Last data received at2026-07-04 16:03:17
Measurements received in 24h130
Measurements expected240
Performance ratio54%
Sensor 5
Type of sensorsw1 (1st switch)
Sampling rate (min)60
    GTS format
Units of measuremin
First value58
Samples1
Reversed orderno
    Performance statistics
Last data measured at2026-07-04 16:00:00
Last data received at2026-07-04 16:03:17
Measurements received in 24h119
Measurements expected24
Performance ratio496%
Sensor 6
Type of sensorsw2 (2nd switch)
Sampling rate (min)60
    GTS format
Units of measuremin
First value62
Samples1
Reversed orderno
    Performance statistics
Last data measured at2026-07-04 16:00:00
Last data received at2026-07-04 16:03:17
Measurements received in 24h113
Measurements expected24
Performance ratio471%
Sensor 7
Type of sensorbat (battery)
Sampling rate (min)6
    GTS format
Units of measureV
First value66
Samples1
Reversed orderyes
    Performance statistics
Last data measured at2026-07-04 16:00:00
Last data received at2026-07-04 16:03:17
Measurements received in 24h111
Measurements expected240
Performance ratio46%
Sensor 8
Type of sensorstp (Etrometa step gauges)
Sampling rate (min)6
    GTS format
Units of measuremin
First value70
Samples2
Reversed orderyes
    Performance statistics
Last data measured at2026-07-04 16:00:00
Last data received at2026-07-04 16:03:17
Measurements received in 24h121
Measurements expected240
Performance ratio50%
Period SignalsData

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