Serial MultiView iteratively rotates a phase plane through time to calibrate atmospheric errors in VLBI astrometry, matching conventional MultiView at 5 GHz with reduced calibration sampling and automated phase ambiguity correction.
VLBI observations in Cluster-Cluster mode at 1.6 GHz
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abstract
We describe, and present preliminary results from the analysis of 1.6 GHz VLBI observations, made in Cluster-Cluster mode between subgroups of antennas from the WSRT, VLA and MERLIN arrays. We observed for two 6-hour periods on consecutive days, simultaneously monitoring 4 compact radio sources with angular separations ranging from ~1 to 9 degrees. The data were recorded in a non-standard MkIII mode using special set-ups, and correlated at the MPIfR MkIIIa correlator. The preliminary results from standard and phase reference analyses are very encouraging. The experiment has provided a useful database for investigating the potential of this new observing technique at low frequencies.
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Serial MultiView: an efficient approach to mitigating atmospheric spatial-structure errors for VLBI astrometry
Serial MultiView iteratively rotates a phase plane through time to calibrate atmospheric errors in VLBI astrometry, matching conventional MultiView at 5 GHz with reduced calibration sampling and automated phase ambiguity correction.