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finished though pg 941
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1 changed files with 38 additions and 37 deletions
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@ -433,46 +433,46 @@ CSUN = 16D
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CMOON = 18D
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CSS5 2DEC .2490475 # (COS 5)/4
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CSSUN 2DEC .125 # (COS 60)/4
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5DEGREES 2DEC .013888889 # SCALED IN REVS
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5DEGREES 2DEC .013888889 # SCALED IN REVS
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# Page 937
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# PROGRAM NAME -- R56 DATE: DEC 20 66
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# MOD 1 LOG SECTION: P51-P53
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# ASSEMBLY: SUNDISK REV4D
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# PROGRAM NAME - R56 DATE DEC 20 66
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# MOD 1 LOG SECTION P51-P53
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# ASSEMBLY SUNDISK REV40
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# BY KEN VINCENT
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#
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# FUNCTION
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# THIS PROGRAM READS THE IMU-CDUS AND COMPUTES THE VEHICLE ORIENTATION
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# WITH RESPECT TO INERTIAL SPACE. IT THEN COMPUTES THE SHAFT AXIS (SAX)
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# WITH RESPECT TO REFERENCE INTERTIAL. EACH STAR IN THE CATALOG IS TESTED
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# TO DETERMIN IF IT IS OCCULTED BY EITHER EARTH, SUN OR MOON. IF A
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# STAR IS NOT OCCULTED THEN IT IS PAIRED WITH ALL STARS OF LOWER INDEX.
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# THE PAIRED STAR IS TESTED FOR OCCULTATION. PAIRS OF STARS THAT PASS
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# THE OCCULTATION TESTS ARE TESTED FOR GOOD SEPARATION. A PAIR OF STARS
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# HAVE GOOD SEPARATION IF THE ANGLE BETWEEN THEM IS LESS THAN 100 DEGREES
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# AND MORE THAN 50 DEGREES. THOSE PAIRS WITH GOOD SEPARATION
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# ARE THEN TESTED TO SEE IF THEY LIE IN CURRENT FIELD OF VIEW. (WITHIN
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# 50 DEGREES OF SAX). THE PAIR WITH MAX SEPARATION IS CHOSEN FROM
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# THOSE WITH GOOD SEPARATION, AND IN FIELD OF VIEW.
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# THIS PROGRAM READ THE IMU-CDUS AND COMPUTES THE VEHICLE ORIENTATION
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# WITH RESPECT TO INERTIAL SPACE. IT THEN COMPUTES THE SHAFT AXIS (SAX)
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# WITH RESPECT TO REFERENCE INERTIAL. EACH STAR IN THE CATALOG IS TESTED
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# TO DETERMINE IF IT IS OCCULTED BY EITHER THE EARTH,SUN OR MOON. IF A
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# STAR IS NOT OCCULTED THEN IT IS PAIRED WITH ALL STAR OF LOWER INDEX.
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# THE PAIRED STAR IS TESTED FOR OCCULTATION. PAIRS OF STARS THAT PASS
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# THE OCCULTATION TESTS ARE TESTED FOR GOOD SEPARATION.A PAIR OF STARS
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# HAVE GOOD SEPERATION IF THE ANGLE BETWEEN THEM IS LESS THAN 100 DEGREES
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# AND MORE THAN 50 DEGREES. THOSE PAIRS WITH GOOD SEPARATION
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# ARE THEN TESTED TO SEE IF THEY LIE IN CURRENT FIELD OF VIEW.(WITHIN
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# 50 DEGREESOF SAX).THE PAIR WITH MAX SEPARATION IS CHOSEN FROM
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# THOSE WITH GOOD SEPARATION,AND IN FIELD OF VIEW.
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#
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# CALLING SEQUENCE
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# L TC BANKCALL
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# L+1 CADR R56
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# L+2 ERROR RETURN -- NO STARS IN FIELD OF VIEW
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# L+3 NORMAL RETURN
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# L TC BANKCALL
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# L+1 CADR R56
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# L+2 ERROR RETURN - NO STARS IN FIELD OF VIEW
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# L+3 NORMAL RETURN
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#
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# OUTPUT
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# BESTI, BESTJ -- SINGLE PREC, INTEGERS, STAR NUMBERS TIMES 6
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# VFLAG -- FLAG BIT SET IMPLIES NO STARS IN FIELD OF VIEW
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# BESTI,BESTJ -SINGLE PREC,INTEGERS,STAR NUMBERS TIMES 6
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# VFLAG - FLAG BIT SET IMPLIES NO STARS IN FIELD OF VIEW
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#
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# INITIALIZATION
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# 1) A CALL TO LOCSAM MUST BE MADE
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# 1)A CALL TO LOCSAM MUST BE MADE
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#
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# DEBRIS
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# WORKAREA
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# X,Y,ZNB
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# SINCDU, COSCDU
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# STARAD -- STAR +5
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# WORKAREA
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# X,Y,ZNB
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# SINCDU,COSCDU
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# STARAD - STAR +5
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R56 = PICAPAR
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COUNT* $$/R56
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@ -495,13 +495,13 @@ PICAPAR TC MAKECADR
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HALFDP
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ZNB
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AXT,1 VXSC
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228D # X1 = 37 X 6 + 6
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228D # X1 = 37 X 6 +6
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HALFDP
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VAD
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VXM UNIT
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REFSMMAT
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STORE SAX # SAX = SHAFT AXIS
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SSP SSP # S1 = S2 = 6
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SSP SSP # S1=S2=6
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S1
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6
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S2
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@ -585,7 +585,9 @@ CULTED SETGO
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QPRET
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CSS = CEARTH
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CSS40 2DEC .16070 # COS 50 / 4
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CSS33 2DEC .16070 # COS 50 / 4
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CSS33 2DEC .16070 # COS 50 / 4
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PICEND BOFF EXIT
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# Page 940
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@ -620,12 +622,12 @@ DP0 = 30D
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DP1 = 32D
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# Page 941
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# NAME -- R51 FINE ALIGN
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# FUNCTION -- TO ALIGN THE STABLE MEMBER TO REFSSMAT
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# CALLING SEQ -- CALL R51
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# INPUT -- REFSMMAT
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# OUTPUT -- GYRO TORQUE PULSES
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# SUBROUTINES -- LOCSAM, PICAPAR, R52, R53, R54, R55
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# NAME-R51 FINE ALIGN
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# FUNCTION-TO ALIGN THE STABLE MEMBER TO REFSSMAT
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# CALLING SEQ- CALL R51
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# INPUT - REFSMMAT
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# OUTPUT- GYRO TORQUE PULSES
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# SUBROUTINES -LOCSAM,PICAPAR,R52,R53,R54,R55
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COUNT* $$/R51
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R51 STQ
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@ -2338,4 +2340,3 @@ LSORIENT STQ VLOAD
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XSMD
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STCALL YSMD
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QMAJ
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