Contents

• 30-m Telescope
  • 345 GHz Observing Period from February 1 to 15
  • New 230 G2 Mixer
  • Computer Questionnaire
  • Public Telephone at the Granada Office
• Receiver News
  • A new SIS mixer for the 230 Ghz G2 receiver at the 30-m telescope
    • G2 receiver tests with the new 1.3 mm SIS mixer
    • Status of the 230 Ghz G1 receiver
  • IRAM 0.8 mm receiver at 30-m Telescope
    • Receiver design
    • SIS mixer design
    • Receiver test
    • Receiver operation at the 30m radiotelescope
  • Test of polarimeter
• Interferometer
  • Observing Projects
  • Data Reduction
• Software
  • Unix
  • VMS
  • Interfaces to other software packages
• Scientific Results
  • The C/O abundance ratio in the detached circumstellar envelopes around carbon stars
• New Preprints
• Programs Scheduled on the 30-m Telescope in 1993
• About this document ...