SEA LEVEL STATION MONITORING FACILITY
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Station metadata
Code ptme
Country USA
Location Portland_ME
Status Operational
Added to the system 2006-06-07 04:30:00
Local Contact National Ocean Service-NOAA ( USA )
Long-term MSL data
Latitude 43.6566
Longitude -70.2466
Connection GTS message
GTS message type SXXX03
GTS station code 335F0668
Transmit interval (min) 6
Transmit lag UTC (sec) 0
Ave. transmit delay (min) 7
Messages received (24h) 229
Messages expected (24h) 240
Sensor 1
Type of sensorpwl (primary water level)
Sampling rate (min)1
    GTS format
Units of measurem
First value1
Samples6
Reversed orderyes
    Performance statistics
Last data measured at2024-11-23 13:57:00
Last data received at2024-11-23 14:04:03
Measurements received in 24h1380
Measurements expected1440
Performance ratio96%
Sensor 2
Type of sensorbwl (backup water level)
Sampling rate (min)6
    GTS format
Units of measurem
First value1
Samples1
Reversed orderno
    Performance statistics
Last data measured at
Last data received at
Measurements received in 24h0
Measurements expected240
Performance ratio0%
Period SignalsData

12h
day
7 days
30 days
 pwl (primary water level)
bwl (backup water level)
Remove outliers
Remove spikes 		Relative levels = signal - median over selected period
Absolute levels = as received
Offset signals = relative levels + offset
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