https://ipnpr.jpl.nasa.gov/progress_report/42-22/22H.html
An Evaluation of QVLBI OD Analysis of Pioneer 10 Encounter Data in the Presence of Unmodeled...
Quasi-very-long-baseline interferometry (QVLBI) has been used to predict Pioneer 10 flyby B-plane coordinates from simultaneous two- and three-way doppler data...