A MULTI-BASELINE 12 GHz ATMOSPHERIC PHASE INTERFEROMETER WITH ONE MICRON PATH LENGTH SENSITIVITY

@article{Kimberk2012AM1,
  title={A MULTI-BASELINE 12 GHz ATMOSPHERIC PHASE INTERFEROMETER WITH ONE MICRON PATH LENGTH SENSITIVITY},
  author={Robert S. Kimberk and Todd R. Hunter and Patrick S. Leiker and Raymond Blundell and George U. Nystrom and Glen Raymond Petitpas and John Test and Robert W. Wilson and Paul Yamaguchi and Ken Young},
  journal={arXiv: Instrumentation and Methods for Astrophysics},
  year={2012},
  volume={01},
  pages={1250002}
}
We have constructed a five station 12 GHz atmospheric phase interferometer (API) for the Submillimeter Array (SMA) located near the summit of Mauna Kea, Hawaii. Operating at the base of unoccupied SMA antenna pads, each station employs a commercial low noise mixing block coupled to a 0.7 m off-axis satellite dish which receives a broadband, white noise-like signal from a geostationary satellite. The signals are processed by an analog correlator to produce the phase delays between all pairs of… Expand
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