USN800USA — Washington, United States

Station

Station ID

USN800USA4-character ID: USN8

DOMES number

40451S009

Location

Washington, D.C., United States

Operator

U.S. Naval Observatory (USNO)

Networks

IGS · IGS Multi-GNSS

In the IGS since

2015-08-05

Latest RINEX

2026-10-05data centre: CDDIS

Coordinates (ITRF, approximate)

Latitude

38°55'14.05" N38.92057

Longitude

77°03'58.61" W-77.06628

Ellipsoidal height

58.9 m

X, Y, Z

1,112,162.138-4,842,854.667 · 3,985,497.066 m

Approximate values from the IGS site log. For processing, use the official coordinates and velocities of the current IGS/ITRF solution at your observation epoch, and transform to your national datum if needed.

Equipment

Receiver

SEPT POLARX5TRfirmware 5.5.0

Antenna

TPSCR.G5radome TPSH

Constellations

GPS · GLO · GAL · BDS · SBAS

Real time

No

Daily RINEX — last 7 days

• Tue, Oct 6 DOY 279 BKG folder
• Mon, Oct 5 DOY 278 BKG folder
• Sun, Oct 4 DOY 277 BKG folder
• Sat, Oct 3 DOY 276 BKG folder
• Fri, Oct 2 DOY 275 BKG folder
• Thu, Oct 1 DOY 274 BKG folder
• Wed, Sep 30 DOY 273 BKG folder

30-second, multi-GNSS daily files (RINEX 3, Hatanaka-compressed .crx.gz). BKG needs no registration; files not at BKG are archived at NASA's CDDIS (free Earthdata Login). Official IGS station page and site log.