Search results for: ATMOSPHERIC OPACITY

• Atmospheric opacity estimation based on IWV derived from GNSS observations for VLBI applications

  Publication

  • G. Nykiel
  • P. Wolak
  • M. Figurski

  - GPS SOLUTIONS - Year 2018

  Thermal emission of atmospheric water vapor has a great influence on the calibration of radio astronomical observations at millimeter wavelengths. The phenomenon of an atmospheric water vapor emits noise signal and attenuates astronomical emission. At 22 GHz, integrated water vapor (IWV) obtained from global navigation satellite systems (GNSS) is strictly related to atmospheric opacity (τ0), which is a crucial parameter for data...

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