// IGS reference station
USN900USA — Washington, United States
This station has not published data since 2025-08-07 (it may be under maintenance or decommissioned). Use one of the nearby stations below.
Station
- Station ID
- USN900USA4-character ID: USN9
- 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
- 2025-08-07data 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
- NOV OEM6firmware OMP060400RN0000
- 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.
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