Time the signal was recorded on Earth at the ground station. Time in seconds since the beginning of the epoch (1 January 1970). The timing can be negative for early in the mission.
EarthScope Consortium operates the
NSF Geodetic Facility for the Advancement of Geoscience (GAGE)
and NSF Seismological Facility for the Advancement of Geoscience (SAGE).
Any opinions, findings and conclusions, or recommendations expressed
in this material do not necessarily reflect the views of the
U.S. National Science Foundation.