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 maka
Country Hawaii; U.S.A.
Location Makai Pier, Waimanalo, Hawaii
Status In test
Status description UHSLC test site for wavey conditions
Added to the system 2013-10-08 22:01:05
Local Contact University of Hawaii Sea Level Center ( USA )
Long-term MSL data
Latitude 21.32
Longitude -157.669
Connection GTS message
GTS message type SZXX01
GTS station code US-HI-MAKAI
Transmit interval (min) 5
Transmit lag UTC (sec) 0
Messages received (24h) 0
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 at2025-12-17 15:58:00
Last data received at2025-12-17 16:05:55
Measurements received in 24h
Measurements expected
Performance ratio
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 at2025-12-17 15:59:00
Last data received at2025-12-17 16:05:55
Measurements received in 24h
Measurements expected
Performance ratio
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 at2023-09-12 20:01:00
Last data received at2023-09-12 20:04:03
Measurements received in 24h
Measurements expected
Performance ratio
Sensor 4
Type of sensorra3 (3rd radar)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2023-07-25 22:01:00
Last data received at2023-07-25 22:06:01
Measurements received in 24h
Measurements expected
Performance ratio
Sensor 5
Type of sensorsw1 (1st switch)
Sampling rate (min)60
    GTS format
Units of measuremin
First value4
Samples1
Reversed orderno
    Performance statistics
Last data measured at2023-09-12 20:01:00
Last data received at2023-09-12 20:04:03
Measurements received in 24h
Measurements expected
Performance ratio
Sensor 6
Type of sensorbat (battery)
Sampling rate (min)5
    GTS format
Units of measureV
First value4
Samples1
Reversed orderno
    Performance statistics
Last data measured at2025-12-17 15:56:00
Last data received at2025-12-17 16:05:55
Measurements received in 24h
Measurements expected
Performance ratio
Sensor 7
Type of sensorwls (water level sensor)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2023-09-12 20:01:00
Last data received at2023-09-12 20:04:03
Measurements received in 24h
Measurements expected
Performance ratio
Sensor 8
Type of sensorflt (float)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples
Reversed orderyes
    Performance statistics
Last data measured at2020-06-04 18:21:00
Last data received at2020-06-04 18:26:05
Measurements received in 24h
Measurements expected
Performance ratio
Sensor 9
Type of sensoraqu (Aquatrak (brand))
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2023-09-12 20:01:00
Last data received at2023-09-12 20:04:03
Measurements received in 24h
Measurements expected
Performance ratio
Sensor 10
Type of sensorbub (bubbler)
Sampling rate (min)1
    GTS format
Units of measurem
First value4
Samples5
Reversed orderyes
    Performance statistics
Last data measured at2023-09-12 20:01:00
Last data received at2023-09-12 20:04:03
Measurements received in 24h
Measurements expected
Performance ratio
Period SignalsData

12h
day
7 days
30 days
 prs (pressure)
rad (radar)
ra2 (2nd radar)
ra3 (3rd radar)
wls (water level sensor)
flt (float)
aqu (Aquatrak (brand))
bub (bubbler)
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
Tip:use left icons to zoom & scroll
Site developed and maintained by VLIZ for UNESCO/IOC
disclaimer | contact