NASA NTRS · 19830026694
Phase Calibration for the Block 1 VLBI System
Abstract
Very Long Baseline Interferometry (VLBI) in the DSN provides support for spacecraft navigation, Earth orientation measurements, and synchronization of network time and frequency standards. An improved method for calibrating instrumental phase shifts has recently been implemented as a computer program in the Block 1 system. The new calibration program, called PRECAL, performs calibrations over intervals as small as 0.4 seconds and greatly reduces the amount of computer processing required to perform phase calibration.
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Roth, M. G., Runge, T. F.. 1983-08-15. Phase Calibration for the Block 1 VLBI System. https://ntrs.nasa.gov/citations/19830026694
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