... FOC Cycle 6 Calibration Plan . ... Changing Programs & Resolving Problems . ... The Cycle 4 calibration program then completed this initial effort and fully characterized the FOC+COSTAR performance. ... An extensive calibration program has been designed, after checking all the individual requirements, to ensure that the best science is achieved with the FOC. ... The routine calibration programs are designed to monitor those aspects of FOC performance that are believed to be subject to time variation...