SEA LEVEL STATION MONITORING FACILITY
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Station metadata
Code dchu
Country USA
Location DART South of Umnak Is
Status Operational
Added to the system 2023-02-28 15:55:28
Local Contact National Ocean Service-NOAA ( USA )
Long-term MSL data
Latitude 49.6625
Longitude -169.8717
Transmit interval (min) 360
Sensor 1
Type of sensorprte (pressure tsunami event - dart)
Sampling rate (min)1
Units of measurem
    Performance statistics
Last data measured at2022-01-15 20:59:00
Last data received at2023-08-22 13:33:58
Measurements received in 24h0
Measurements expected1440
Performance ratio0%
Sensor 2
Type of sensorprt (pressure tsunami - dart)
Sampling rate (min)15
Units of measurem
    Performance statistics
Last data measured at2024-04-27 12:00:00
Last data received at2024-04-27 12:39:14
Measurements received in 24h94
Measurements expected96
Performance ratio98%
Period SignalsData

12h
day
7 days
30 days
 prte (pressure tsunami event - dart)
prt (pressure tsunami - dart)
Remove outliers
Remove spikes 		Relative levels = signal - median over selected period
Absolute levels = as received
Offset signals = relative levels + offset
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