ITRF2014: A new release of the International Terrestrial Reference Frame modeling nonlinear station motions

Z Altamimi, P Rebischung, L Métivier… - … research: solid earth, 2016 - Wiley Online Library
For the first time in the International Terrestrial Reference Frame (ITRF) history, the
ITRF2014 is generated with an enhanced modeling of nonlinear station motions, including …

ITRF2008: an improved solution of the international terrestrial reference frame

Z Altamimi, X Collilieux, L Métivier - Journal of Geodesy, 2011 - Springer
ITRF2008 is a refined version of the International Terrestrial Reference Frame based on
reprocessed solutions of the four space geodetic techniques: VLBI, SLR, GPS and DORIS …

Very long baseline interferometry for geodesy and astrometry

H Schuh, J Böhm - Sciences of Geodesy-II: Innovations and Future …, 2012 - Springer
Abstract Very Long Baseline Interferometry (VLBI) is a microwave-based space geodetic
technique that measures the difference in arrival times of signals from a radio source by …

Reference system origin and scale realization within the future GNSS constellation “Kepler”

S Glaser, G Michalak, B Männel, R König… - Journal of …, 2020 - Springer
Abstract Currently, Global Navigation Satellite Systems (GNSS) do not contribute to the
realization of origin and scale of combined global terrestrial reference frame (TRF) solutions …

Global geodetic observatories

C Boucher, M Pearlman, P Sarti - Advances in Space Research, 2015 - Elsevier
Global geodetic observatories (GGO) play an increasingly important role both for scientific
and societal applications, in particular for the maintenance and evolution of the reference …

DTRF2014: DGFI-TUM's ITRS realization 2014

M Seitz, M Bloßfeld, D Angermann, F Seitz - Advances in Space Research, 2022 - Elsevier
The DTRF2014 solution is the latest ITRS realization of DGFI-TUM computed in the
framework of ITRF2014. It is mainly characterized by two innovations: it is the first secular …

Upgraded modelling for the determination of centre of mass corrections of geodetic SLR satellites: impact on key parameters of the terrestrial reference frame

J Rodríguez, G Appleby, T Otsubo - Journal of Geodesy, 2019 - Springer
We present improved modelling to compute centre of mass (CoM) offsets for spherical
geodetic satellites and derive new values for the spacecraft LAGEOS, LAGEOS-2, Etalon …

Improved area-based deformation analysis of a radio telescope's main reflector based on terrestrial laser scanning

C Holst, A Nothnagel, M Blome, P Becker… - Journal of applied …, 2015 - degruyter.com
The main reflectors of radio telescopes deform due to gravitation when changing their
elevation angle. This can be analyzed by scanning the paraboloid surface with a terrestrial …

Terrestrial laser scanner two-face measurements for analyzing the elevation-dependent deformation of the onsala space observatory 20-m radio telescope's main …

C Holst, D Schunck, A Nothnagel, R Haas… - Sensors, 2017 - mdpi.com
For accurate astronomic and geodetic observations based on radio telescopes, the
elevation-dependent deformation of the radio telescopes' main reflectors should be known …

Non-linear station motions in epoch and multi-year reference frames

M Bloßfeld, M Seitz, D Angermann - Journal of Geodesy, 2014 - Springer
In the conventions of the International Earth Rotation and Reference Systems Service (eg
IERS Conventions 2010), it is recommended that the instantaneous station position, which is …