Contents

• Rayleigh-Jeans or not Rayleigh-Jeans?
• Single-dish calibration in a nutshell
  • Description of the received signal
  • Description of the calibration scheme
  
  
• Description of ATM 2009
  • Atmospheric profile
  • (Sub-)mm radiative transfer
  • GILDAS interface
  
  
• Comparison of ATM 1985 and ATM 2009
  • Comparison of the implementation
  • Comparison at constant amount of water vapor
  • Comparison of the full calibration scheme
  
  
• Recommendations
• Acknowledgement
• Bibliography
• GILDAS fortran interfaces to ATM
• Comparison at constant amount of water vapor as a function of the frequency
• Effect of Earth curvature