SEA LEVEL STATION MONITORING FACILITY

Station at GMT

Station metadata
Code	naha
Country	Japan
Location	Naha
Status	Operational
Added to the system	2008-05-15 13:59:00
Local Contact	Japan Meteorological Agency ( Japan )
GLOSS core ID	81 [goto handbook]
Long-term MSL data
Latitude	26.21
Longitude	127.67
Connection	GTS message
GTS message type	SWJP40
GTS station code	NAHA
Transmit interval (min)	10
Transmit lag UTC (sec)	0
Ave. transmit delay (min)	8
Messages received (24h)	140
Messages expected (24h)	144
Sensor 1
Type of sensor	rad (radar)
Sampling rate (min)	1
GTS format
Units of measure	ft
First value	169
Samples	10
Reversed order	no
Performance statistics
Last data measured at	2024-04-19 11:39:00
Last data received at	2024-04-19 11:46:02
Measurements received in 24h	1400
Measurements expected	1440
Performance ratio	97%

Period	Signals	Data
12h day 7 days 30 days	Remove outliers Remove spikes	Relative levels = signal - median over selected period Absolute levels = as received Offset signals = relative levels + offset

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