GPS U.S. Naval Observatory Time Service

Station summaryUSN8

More informations on each symbol.
GPS

Tide Gauge

DORIS

IGS-type acronym :	USN8
Latitude :	38.92056600
Longitude :	-77.06627700
Installed date :	2014-11-12
Decommissioned date :
Country :	U.S.A.
City:	WASHINGTON
Station status :	active (green)
Distance to Tide Gauge (m) :	6526
Domes Nr.:	40451S009
Station operator:	Unknown
IGS-like station form :

GPS position times seriesUSN8

Analysis center:

SARI

Reference Frame:
Ellipsoid:

Position
(Reference epoch: )

Longitude (°):
Latitude (°):
Height (m):

Velocity (mm/yr):

Offsets (mm)

M	Material change or malfunction
E	Earthquake
RF	Reference Frame change
U	Unknown
NA	Not available
	Position discontinuity
	Velocity discontinuity

GPS Solution:

show discontinuities remove trend show annual signal show position offsets

Vertical component

East component

North Component

Data available at SONELUSN8

Quality plots on RINEX filesUSN8

		Plots generated using software developed with the EPN team at ROB
Observations & tracking performance	Satellite tracking

Observations & tracking performance
Satellite tracking

Year :

Min : -
Max : -

Display a range

Show a graph :

Show another graph :

Date : From : to : informations

Show a date range Calculate a specific date (this operation may take 20 to 45s)

The satellite tracking graph has been calculated for all stations for the first day of each month. If you wish to have a graph for another date, choose the 'Calculate a specific date' option.

Comparison with satellite altimetry data

Link to Sea Level Differences (Satellite altimetry minus tide gauge data).

Co-located instrumentsUSN8

GPS : WASHINGTON (USNO)
Tide gauge : WASHINGTON DC (WASTG)
GPS : WASHINGTON (USN3)
GPS : Washington D.C 3 (WDC3)
GPS : Washington D.C 4 (WDC4)
GPS : U.S. Naval Research Laboratory (NRL1)
GPS : U.S. Naval Observatory Time Service (USN7)
GPS : USNO NGA colocated 5 (WDC5)
GPS : USNO NGA colocated 6 (WDC6)
GPS : U.S. Naval Observatory Time Service (USN9)