SEA LEVEL STATION MONITORING FACILITY
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Station metadata
Code pall
Country USA
Location Port Allen, HI
Status Operational
Added to the system 2024-06-25 02:28:47
Local Contact University of Hawaii Sea Level Center ( USA )
Long-term MSL data
Latitude 21.902034
Longitude -159.589713
Connection GTS message
GTS message type SZXX01
GTS station code US-HI-PORTALLEN
Transmit interval (min) 5
Transmit lag UTC (sec) 0
Ave. transmit delay (min) 5
Messages received (24h) 247
Messages expected (24h) 288
Sensor 1
Type of sensorrad (radar)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 13:55:00
Last data received at2024-11-23 13:58:07
Measurements received in 24h1237
Measurements expected1440
Performance ratio86%
Sensor 2
Type of sensorbat (battery)
Sampling rate (min)5
    GTS format
Units of measureV
First value4
Samples1
Reversed orderno
    Performance statistics
Last data measured at2024-11-23 13:55:00
Last data received at2024-11-23 13:58:07
Measurements received in 24h248
Measurements expected288
Performance ratio86%
Period SignalsData

12h
day
7 days
30 days
 rad (radar)
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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