FOS Instrument Science Report 094 "FOS Cablibration Plan for Cycle 3" 6/93 by Charles D. (Tony) Keyes and Anuradha Koratkar Abstract excerpted from the report: We present here a summary of the FOS calibration plan for Cycle 3. Routine calibrations to monitor the instrument and create a base line for the post CO-STAR mission are planned. A summary of the Cycle 3 calibration plan and a comparison to Cycle 2 calibration is also presented. For more information, please contact the above authors.