Comparison of Realizations of the Terrestrial Reference Frame
Paper i proceeding, 2013
IGN and DGFI both generated realizations of the terrestrial reference frame under the
auspices of the IERS from combination of the same space geodetic data. We compared the
IGN and DGFI TRFs with a GSFC CALC/SOLVE TRF. WRMS position and velocity
differences for the 40 most frequently observed sites were 2–3 mm and 0.3–0.4 mm/year.
There was a scale difference of 0.39/ 0.09 ppb between the IGN/DGFI realizations and
the GSFC solution. When we fixed positions and velocities to either the IGN or DGFI
values in CALC/SOLVE solutions, the resulting EOP estimates were not significantly
different from the estimates from a standard TRF solution.
auspices of the IERS from combination of the same space geodetic data. We compared the
IGN and DGFI TRFs with a GSFC CALC/SOLVE TRF. WRMS position and velocity
differences for the 40 most frequently observed sites were 2–3 mm and 0.3–0.4 mm/year.
There was a scale difference of 0.39/ 0.09 ppb between the IGN/DGFI realizations and
the GSFC solution. When we fixed positions and velocities to either the IGN or DGFI
values in CALC/SOLVE solutions, the resulting EOP estimates were not significantly
different from the estimates from a standard TRF solution.
Radio wave technique Terrestrial reference frame Space geodesy
Författare
Chopo Ma
Daniel S. MacMillan
Sergei Bolotin
Karine le Bail
Rymdgeodesi och geodynamik
David Gordon
John Gipson
Reference Frames for Applications in Geosciences, International Association of Geodesy Symposia
0939-9585 (ISSN) 2197-9359 (eISSN)
Vol. 138 51-56978-3-642-32997-5 (ISBN)
Ämneskategorier (SSIF 2025)
Geovetenskap och relaterad miljövetenskap
DOI
10.1007/978-3-642-32998-2_9