3 papers
astro-ph.GA2026
The Celestial Reference Frame at K Band: The CRF-K-2025 Catalog
David Gordon, Aletha de Witt, Christopher S. Jacobs +10
We present an updated K band (24 GHz) celestial reference frame (CRF) constructed from 3.5 million Very Long Baseline Interferometry (VLBI) observations collected during 211 observ…
physics.geo-ph2026
Comprehensive VLBI observations of Galileo satellites with the AuScope array
David Schunck, Lucia McCallum, Jamie McCallum +1
Interest in the topic of geodetic co-location in space and space ties has recently intensified within the geodetic community, particularly following the approval of the European Sp…
physics.geo-ph2025
An experiment to observe GNSS signals with the Australian VGOS array
Lucia McCallum, David Schunck, Jamie McCallum +1
This paper introduces a new instrument enabling a novel combination of Earth measuring techniques: direct observations with the radio astronomical instruments to satellites of the…