SEA LEVEL STATION MONITORING FACILITY
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Station metadata
Code sthl2
Country Saint-Helena, isles of
Location Saint Helena_UK Ruperts Bay
Status Operational
Status description Radar replaced in 2019. Stopped Transmitting 12/11/21 but Logging internally. New Logger to be fitted Apr 22.
Added to the system 2017-03-21 09:18:10
Local Contact National Oceanography Centre ( UK )
GLOSS core ID 264   [goto handbook]
Long-term MSL data
Latitude -15.917918
Longitude -5.714394
Connection GTS message
GTS message type SXXX32
GTS station code 18BC4718
Transmit interval (min) 15
Transmit lag UTC (sec) 0
Ave. transmit delay (min) 8
Messages received (24h) 87
Messages expected (24h) 96
Sensor 1
Type of sensorrad (radar)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples15
Reversed orderyes
    Performance statistics
Last data measured at2024-04-26 01:19:00
Last data received at2024-04-26 01:26:02
Measurements received in 24h1305
Measurements expected1440
Performance ratio91%
Sensor 2
Type of sensorra2 (2nd radar)
Sampling rate (min)1
    GTS format
Units of measurem
First value22
Samples15
Reversed orderyes
    Performance statistics
Last data measured at2024-04-26 01:19:00
Last data received at2024-04-26 01:26:02
Measurements received in 24h1244
Measurements expected1440
Performance ratio86%
Sensor 3
Type of sensorbat (battery)
Sampling rate (min)15
    GTS format
Units of measureV
First value40
Samples1
Reversed orderno
    Performance statistics
Last data measured at2024-04-26 01:19:00
Last data received at2024-04-26 01:26:02
Measurements received in 24h84
Measurements expected96
Performance ratio88%
Sensor 4
Type of sensoratm (atmospheric pressure)
Sampling rate (min)15
    GTS format
Units of measurem
First value44
Samples1
Reversed orderno
    Performance statistics
Last data measured at2024-04-26 01:19:00
Last data received at2024-04-26 01:26:02
Measurements received in 24h82
Measurements expected96
Performance ratio85%
Period SignalsData

12h
day
7 days
30 days
 rad (radar)
ra2 (2nd radar)
atm (atmospheric pressure)
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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