• Thumbnail for International Terrestrial Reference System and Frame
    of coordinates using the SI system of measurement. An International Terrestrial Reference Frame (ITRF) is a realization of the ITRS. Its origin is at...
    9 KB (777 words) - 16:49, 25 May 2024
  • In physics and astronomy, a frame of reference (or reference frame) is an abstract coordinate system, whose origin, orientation, and scale have been specified...
    30 KB (3,465 words) - 19:51, 19 October 2024
  • The solution was constrained to be consistent with the International Terrestrial Reference Frame (ITRF2008) and earth orientation parameters (EOP) systems...
    22 KB (2,360 words) - 18:19, 22 June 2024
  • Thumbnail for IERS Reference Meridian
    versions, the ideal International Terrestrial Reference System (ITRS) and its realization, the International Terrestrial Reference Frame (ITRF). The most...
    13 KB (782 words) - 01:15, 4 December 2024
  • Thumbnail for Geodetic datum
    geodetic reference datum, geodetic reference system, or geodetic reference frame, or terrestrial reference frame) is a global datum reference or reference frame...
    32 KB (3,372 words) - 21:00, 20 December 2024
  • Thumbnail for EPSG Geodetic Parameter Dataset
    including Google Maps and OpenStreetMap. EPSG:7789 - International Terrestrial Reference Frame 2014 (ITRF2014), an Earth-fixed system that is independent...
    5 KB (450 words) - 10:37, 21 July 2024
  • Thumbnail for European Terrestrial Reference System 1989
    The European Terrestrial Reference System 1989 (ETRS89) is an ECEF (Earth-Centered, Earth-Fixed) geodetic Cartesian reference frame, in which the Eurasian...
    6 KB (615 words) - 01:28, 16 December 2024
  • Astrometry International Atomic Time Coordinated Universal Time International Terrestrial Reference System and Frame Leap second International Celestial...
    6 KB (553 words) - 18:16, 9 September 2024
  • Thumbnail for Geoid
    Geoid (redirect from Reference geoid)
    Deflection of the vertical Geodetic datum Geopotential International Terrestrial Reference Frame Physical geodesy Planetary geoid Areoid (Mars's geoid)...
    29 KB (3,443 words) - 01:30, 16 December 2024
  • Thumbnail for Prime meridian (Greenwich)
    Prime meridian (Greenwich) (category All articles lacking reliable references)
    perpendicular, to the reference ellipsoid used to define geodetic latitude and longitude in the International Terrestrial Reference Frame (which is nearly...
    14 KB (1,509 words) - 22:58, 16 September 2024
  • Thumbnail for World Geodetic System
    the frame used by the International GNSS Service (IGS). G2139 was aligned with the IGb14 realization of the International Terrestrial Reference Frame (ITRF)...
    24 KB (2,842 words) - 12:44, 2 December 2024
  • from a measure of the Earth's angle with respect to the International Celestial Reference Frame (ICRF), called the Earth Rotation Angle (ERA, which serves...
    22 KB (2,389 words) - 17:02, 14 December 2024
  • Thumbnail for Prime meridian
    versions, the ideal International Terrestrial Reference System (ITRS) and its realization, the International Terrestrial Reference Frame (ITRF). A current...
    60 KB (4,777 words) - 22:16, 9 October 2024
  • Thumbnail for U.S. National Geodetic Survey
    responsible for defining the NSRS and its relationship with the International Terrestrial Reference Frame (ITRF). The NSRS enables precise and accessible knowledge...
    7 KB (762 words) - 18:36, 21 November 2024
  • Thumbnail for DORIS (satellite system)
    lower than with GPS, but it still contributes to the International Terrestrial Reference Frame (ITRF). Argos (satellite system) Australia, c\=AU\;o\=Australia...
    4 KB (411 words) - 06:42, 8 August 2023
  • Thumbnail for National Spatial Reference System
    of reference, each representing a tectonic plate: North American Terrestrial Reference Frame of 2022 (NATRF2022) Pacific Terrestrial Reference Frame of...
    6 KB (576 words) - 23:09, 9 December 2024
  • forms part of the International GNSS Service (IGS) network. The IGS network is used to produce the International Terrestrial Reference Frame (ITRF) for positioning...
    4 KB (374 words) - 20:14, 2 December 2024
  • Thumbnail for Expanding Earth
    S. Gross; I. Fukumori (8 July 2011). "Accuracy of the International Terrestrial Reference Frame origin and Earth expansion". Geophysical Research Letters...
    21 KB (2,271 words) - 14:39, 25 September 2024
  • Thumbnail for EarthScope Consortium
    (GGN), which contributes to the International GNSS Service (IGS) responsible for the International Terrestrial Reference Frame. Instrumentation and data access...
    15 KB (1,381 words) - 03:53, 9 December 2024
  • Thumbnail for 2028 in spaceflight
    Satellite) will pioneer the exploration of the Milky Way's core and terrestrial planets] (PDF). NAOJ News (in Japanese). No. 332. National Astronomical...
    62 KB (1,776 words) - 15:48, 21 December 2024
  • (2010). "Impact of loading effects on determination of the International Terrestrial Reference Frame". Advances in Space Research. 45 (1): 144–154. Bibcode:2010AdSpR...
    13 KB (1,348 words) - 00:30, 14 December 2024
  • Thumbnail for Etalon (satellite)
    satellites. They are designed to determine, with high accuracy, terrestrial reference frame and Earth rotation parameters, to improve the gravity field,...
    2 KB (75 words) - 23:40, 5 October 2023
  • Thumbnail for Royal Observatory, Greenwich
    Royal Observatory, Greenwich (category Articles needing additional references from November 2019)
    worldwide. Modern geodetic reference systems, such as the World Geodetic System and the International Terrestrial Reference Frame, use a single oblate spheroid...
    53 KB (5,916 words) - 10:30, 16 November 2024
  • Thumbnail for Warkworth Radio Telescope
    Warkworth Radio Telescope (category Articles needing additional references from January 2011)
    Satellite System station, to assist in maintaining the International Terrestrial Reference Frame. Warkworth Radio Astronomical Observatory Warkworth 30m...
    4 KB (467 words) - 14:58, 14 December 2024
  • Thumbnail for Earth-centered inertial
    Celestial Reference Frame is the Earth-centered counterpart of the International Celestial Reference Frame. MOD: a Mean of Date (MOD) frame is defined...
    8 KB (943 words) - 17:00, 5 September 2023
  • Regional Reference Frame Sub-Commission for Europe (EUREF) is the sub-commission of the International Association of Geodesy (IAG), part of the Sub-Commission...
    6 KB (566 words) - 18:16, 9 September 2024
  • Thumbnail for Earth-centered, Earth-fixed coordinate system
    example of Earth-centered frame Earth-centered inertial (ECI) Geodetic system International Terrestrial Reference System and Frame (ITRS) Orbital state vectors...
    9 KB (912 words) - 16:39, 14 December 2024
  • Thumbnail for Very-long-baseline interferometry
    parameters and fluctuations in the length of day. Maintenance of the terrestrial reference frame. Measurement of gravitational forces of the Sun and Moon on the...
    21 KB (2,443 words) - 00:22, 11 October 2024
  • Université de Polynésie Française Qu'est-ce l'ITRF ? IERS International Terrestrial Reference System page IERS International Terrestrial Reference Frame page...
    5 KB (620 words) - 19:58, 3 November 2024
  • of rotating massive objects. Under the Lense–Thirring effect, the frame of reference in which a clock ticks the fastest is one which is revolving around...
    33 KB (4,423 words) - 19:13, 23 August 2024