Global Very Long Baseline Interferometry (VLBI) Terrestrial Reference Frame (TRF) solution products from NASA CDDIS

Published by CDDIS | National Aeronautics and Space Administration | Metadata Last Checked: February 07, 2026 | Last Modified: 2026-02-03

The Terrestrial Reference Frame product consists of a set of station positions, velocities, and correlations. A minimum of three years of data is used in each solution. The TRF operational product is available on the IVS Data Centers approximately quarterly.

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earth-science-geodetics-solid-earth-coordinate-reference-system-global-coordinate-reference-sys

Complete Metadata

bureauCode	[ "026:00" ]
identifier	10.5067/VLBI/VLBI_global_soln_trf_001
landingPage	https://cddis.nasa.gov/archive/vlbi/ivsproducts/trf/
programCode	[ "026:000" ]
spatial	[[{"EastBoundingCoordinate":180,"NorthBoundingCoordinate":90,"SouthBoundingCoordinate":-90,"WestBoundingCoordinate":-180}],"CARTESIAN"]
temporal	2003-07-11/2003-07-11
theme	[ "Earth Science" ]