 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] D. WHITE           ]    PASS PROGRAM NOTE        ]    52101         ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: SEPT. 1987 ]
 ] DEV/282-7826       ]      RELEASE NOTE( )        ]                  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] OI02 AND SUBS                 ]  CREW (X)  GROUND ( )  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )] G1, G2, G3, G8                  ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  TARGET, UPLINK, OPS, TRANSITIONS                ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: 4.13, 4.223, 4.224, 4.236, 4.2.25, SULK        ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ] LOSS OF TARGETING AND UPLINK DATA DURING OPS TRANSITION             ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:  TO PREVENT OPS TRANSITION DELAYS DURING STATE VECTOR  ]
 ] PREDICTIONS, LOGIC HAS BEEN IMPLEMENTED INTO THE ASCENT/ORBIT/ENTRY ]
 ] PRECISE PREDICTORS TO TERMINATE THE PREDICTION SHOULD AN OPS        ]
 ] TRANSITION REQUEST OCCUR. AS A RESULT OF THE IMPLEMENTATION:        ]
 ]                                                                     ]
 ] A. STATE VECTOR UPLINK DATA WILL BE LOST SHOULD THE UPLINK OCCUR    ]
 ]    IMMEDIATELY PRIOR TO AN OPS TRANSITION.                          ]
 ] B. SHOULD AN OPS TRANSITION REQUEST OCCUR DURING AOA ABORT          ]
 ]    TARGETING, THE DE-ORBIT BURN TARGETS WILL BE LOST.               ]
 ] C. THERE WILL BE NO DIRECT INDICATION TO THE CREW THAT AN UPLINK    ]
 ]    PREDICTION WAS TERMINATED.                                       ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ] A. THE ELAPSED TIME FOR AN UPLINK PREDICTION TO COMPLETE CAN VARY   ]
 ]    FROM LESS THAN 10 SECONDS TO 3 OR 4 MINUTES FOR AN ENTIRE ORBIT  ]
 ]    PROPAGATION. OMS TARGETING PREDICTIONS CAN VARY FROM LESS THAN   ]
 ]    1 MINUTE TO 3 OR 4 MINUTES.                                      ]
 ]                                                                     ]
 ]    SHOULD A WHOLE OR DELTA STATE VECTOR UPDATE BE TERMINATED DUE TO ]
 ]    AN OPS TRANSITION, ANOTHER UPLINK MAY BE EXECUTED FOLLOWING THE  ]
 ]    OPS TRANSITION AS THE STATE VECTOR WOULD NOT HAVE BEEN UPDATED.  ]
 ]                                                                     ]
 ] B. ENSURE THAT THE OPS 3 PRO IS NOT INVOKED UNTIL "OPS 301 PRO"     ]
 ]    FLASHES ON THE AOA MANEUVER EXEC DISPLAY. SHOULD THE AOA         ]
 ]    TARGETING BE TERMINATED BY THE OPS 3 PRO, THE TARGETS MAY EITHER ]
 ]    BE UPLINKED OR MANUALLY IMPLEMENTED BY THE CREW.                 ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: WYATT COOPER         DATE 07/28/88]                             ]
 ]    --------------------      ---------]                             ]
 ]SSD: SAM ANKNEY           DATE 08/02/88]                             ]
 ]    --------------------      ---------] JACK BOYKIN        08/17/88 ]
 ]PF MGR: DALLAS IVES       DATE 07/29/88]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
 @
