The QMAP and MAT/TOCO Experiments for Measuring Anisotropy in the Cosmic Microwave Background

@article{Miller2002TheQA,
  title={The QMAP and MAT/TOCO Experiments for Measuring Anisotropy in the Cosmic Microwave Background},
  author={A. D. Miller and Joseph N. Beach and Stuart Bradley and Robert R. Caldwell and H. Chapman and Mark J. Devlin and W. B. Dorwart and Thomas Herbig and D. Jones and Glen Pickslay Monnelly and Calvin Barth Netterfield and Michael R. Nolta and Lyman A. Page and Jason L. Puchalla and Tony Robertson and E. B. Torbet and Huan T. Tran and William E. Vinje},
  journal={The Astrophysical Journal Supplement Series},
  year={2002},
  volume={140},
  pages={115 - 141}
}
We describe two related experiments that measured the anisotropy in the cosmic microwave background (CMB). QMAP was a balloon-borne telescope that flew twice in 1996, collecting data on degree angular scales with an array of six high electron mobility transistor-based amplifiers (HEMTs). QMAP used an interlocking scan strategy to directly produce high signal-to-noise ratio CMB maps over a limited region of sky. The QMAP gondola was then refitted for ground-based work as the MAT/TOCO experiment… 
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