pro att_old_struct, ATT_2101_Data = ATT_2101_Data, $ ATT_60E1_Data = ATT_60E1_Data ;+ ; NAME: ; ATT_OLD_STRUCT ; PURPOSE: ; Define the following ATT specific database structures ; * ATT_2101_Data_Rec ; * ATT_60E1_Data_Rec ; ; CALLING SEQUENCE: ; ATT_OLD_STRUCT ; HISTORY: ; written by Mons Morrison, Fall 90. ; ;- ATT_2101_Data = { ATT_2101_Data_Rec, $ ;----- Inertial Reference Unit (IRU) ---------------------- iru_pow_stat: BYTARR(2), $ ; 0- IRU Power Status W48 F32 ; b0 = ?? ; b1 = Loop?? ; b2 = X Motor on/off ; b3 = Y Motor on/off ; b4 = Z Motor on/off ; b5 = S Motor on/off ; b6 = ?? ; b7 = iru_LM: BYTARR(5,2), $ ; 2- IRU ?? W112 F3 ; (i,j) j=two values per major frame ; (0,*) = X voltage?? (0-3 V) ; (1,*) = Y voltage?? (0-3 V) ; (2,*) = Z voltage?? (0-3 V) ; (3,*) = S voltage?? (0-3 V) ; (4,*) = MC?? iru_temp: BYTE(0), $ ; 12- IRU Temperature W32 F52 iru: LONARR(3,8), $ ; 0- X roll? W17,W18 ; Y roll? W17,W18 ; Z roll? W17,W18 ; (i,j) i=0 is X, i=1 is Y, i=2 is Z ; j=eight values per major frame ; W17 is high 8 bits of 24 bit value ; W18 is middle 8 bits of 24 bit value ; W19 is low 8 bits of 24 bit value ; ; 24-bit value is the roll/pointing? ; LSB (1 DN) = 0.08 arcsec (one "pulse") ; ;----- Geomagnetic Attitude Sensor (GAS) ---------------------- gas_pow_stat: BYTE(0), $ ; ??- GAS Power Status W48 F24 ; b5 = GAS on/off ; b6 = GAS Sensor SA/SB (set = SB) gas_A_HK: BYTE(0), $ ; ??- GAS-A Analog house keeping W32 F36 gas_E_HK: BYTE(0), $ ; ??- GAS-A Analog house keeping W32 F54 gas: BYTARR(3,4), $ ; 96- X position W81 F16 ; Y position W82 F16 ; Z position W83 F16 ; (i,j) i=0 is X, i=1 is Y ; j=four values per major frame ; 8-bit value is the ?? position ; between 0 and 512 pixels ; LSB (1 DN) = .0390625 volts (10,000 nT/volt) ; ;----- Two-Dimensional Fine Sun Sensor (TFSS) ---------------- tfss_pow_stat: BYTE(0), $ ;???- TFSS Power status W48 F24 ; b2 = TFSS on/off ; b3 = TFSS Cal?? tfss_v: BYTARR(2), $ ; - TFSS voltages?? W32 F13 tfss_temp: BYTE(0), $ ; - TFSS Temperature W32 F55 TFSS: INTARR(2,4), $ ;108-X Position W82,W83 ; Y Position W82,W83 ; (i,j) i=0 is X, i=1 is Y ; j=four values per major frame ; W82 is high 8 bits of 12 bit value ; W83 b0-b3: low 8 bits of 12 bit value ; 12-bit value is the ?? position ; between 0 and 512 pixels ; LSB (1 DN) = 0.00054 deg ; W83 ; b4: x/y sun presence (1=on, 0=off) ; b5: x/y quality flag (1=on, 0=off) ; ;----- Non-Spin Type Attitude Sensor (NSAS) ----------------- nsas_pow_stat: BYTE(0), $ ;???- NSAS Power status W48 F24 ; b0 = NSAS on/off ; b1 = NSAS Cal?? nsas_v: BYTARR(2), $ ; - NSAS voltages?? W32 F15 nsas_temp: BYTE(0), $ ; - NSAS Temperature W32 F56 nsas: INTARR(2,4), $ ;124- NSAS X address? W82,W83 ; NSAS Y address? W82,W83 ; (i,j) i=0 is X, i=1 is Y ; j=four values per major frame ; W82 is high 8 bits of 12 bit value ; W83 b0-b3: low 8 bits of 12 bit value ; 12-bit value is the ?? position ; between 0 and 512 pixels ; LSB (1 DN) = 0.5 pixels) ; x=0, y=0 ==> 0.025 deg ; W83 ; b4: x/y sun presence (1=on, 0=off) ; b5: x/y edge flag (1=on, 0=off) ; b6: x/y upper discriminator (1=on, 0=off) ; b7: x/y lower discriminator (1=on, 0=off) ; ;----- Star Tracker (STT) ---------------------- stt_pow_stat: BYTE(0), $ ;???-STT power status W48 F2 ; b0 = CPU1 on/off ; b1 = CPU2 on/off ; b2 = ; b3 = ; b4 = ; b5 = ; b6 = ; b7 = stt_stat: BYTARR(3), $ ;?? - STT Status W48 F18 ; b0 = ; b1 = ; b2 = ; b3 = ; b4 = ; b5 = ; b6 = ; b7 = stt_v: BYTE(0), $ ;?? - STT Voltages ; For FI = 0 = STT CCD W32 F17 ; For FI = 2 = STT REG W32 F17 stt_temp: BYTARR(2), $ ;?? - STT Temperatures W32 F56 ; stt_H_Pos: INTARR(2), $ ;140-STT star position (H) - horizontal? W82,W83 ; (j) j=two values per major frame ; 16-bit value is the star pixel position ? ; between 0 and 512 pixels ; LSB (1 DN) = 0.007812 pixels stt_V_Pos: INTARR(2), $ ;144-STT star position (V) - vertical? W82,W83 ; (j) j=two values per major frame stt_int: INTARR(2), $ ;148-STT star intensity W82,W83 ; (j) j=two values per major frame stt_alarm: INTARR(2), $ ;152-STT alarm signal W82,W83 ; (j) j=two values per major frame ; ;----- HXT 2-D Aspect Sensor ---------------------- hxa_pow_stat: BYTE(0), $ ; ??- HXA Power Status W48 F1 ; b3 = HXA on/off ; b4 = HXA cal hxa_addr: INTARR(32,2), $ ;156- Address of positions below discriminator W33,W34 ; (limbs and fiducial) ; (j,i) j=32 values per major frame ; i=0 is X, i=1 is Y ; TODO - reverse order of subscripts? hxa_xnum: BYTARR(2), $ ;284- Number of positions along X below discrim W49 F32 hxa_ynum: BYTARR(2), $ ;286- Number of positions along Y below discrim W49 F32 hxa_gain: BYTARR(2), $ ;288- Number of positions along X below discrim W49 F32 HXA_gain_cont: BYTARR(2), $ ; 80- Gain control commanded W49 F32 ; Hopefully not changed ; ;----- Processed pointing info ---------------------- proc_angle: FLTARR(3), $ ;290- X,Y,Z euler angles in sun pointing coordinates Derived ; 1 DN = 0.1 arcsec proc_dev: FLTARR(3), $ ;302- X,Y,Z standard deviation of attitude Derived ; determination errors proc_drift: FLTARR(3), $ ;314- X,Y,Z estimated drift rates (arcsec/hour) Derived proc_status: LONG(0), $ ;326- Status ; b0: TFSS 0=not used, 1=used ; b1: NSAS 0=not used, 1=used ; b2: STT 0=not used, 1=used ; b3: GAS 0=not used, 1=used ; b4: IRU 0=not used, 1=used ; b5: ACP 0=not used, 1=used ; b6: Spec 0=coarse, 1=fine ; b7: 0=propagation, 1=renewal ; b8: 0=forward, 1=backward ; b9: sun presence 0=night, 1=day ; b10: earth occultation 0=occul, 1=not occul ; spare: BYTARR(20) } ;330- ATT_60E1_Data = { ATT_60E1_Data_Rec, $ ;Retired on 16-Nov-91 ; ;----- Inertial Reference Unit (IRU) ---------------------- iru_pow_stat: BYTARR(2), $ ; 0- IRU Power Status W48 F32 ; b7 = ?? ; b6 = Loop?? ; b5 = X Motor on/off ; b4 = Y Motor on/off ; b3 = Z Motor on/off ; b2 = S Motor on/off ; b1 = ?? ; b0 = iru_LM: BYTARR(5,2), $ ; 2- IRU ?? W112 F3 ; (i,j) j=two values per major frame ; (0,*) = X voltage?? (0-3 V) ; (1,*) = Y voltage?? (0-3 V) ; (2,*) = Z voltage?? (0-3 V) ; (3,*) = S voltage?? (0-3 V) ; (4,*) = MC?? iru_temp: BYTE(0), $ ; 12- IRU Temperature W32 F52 iru: LONARR(3,8), $ ; 0- X roll? W17,W18 ; Y roll? W17,W18 ; Z roll? W17,W18 ; (i,j) i=0 is X, i=1 is Y, i=2 is Z ; j=eight values per major frame ; W17 is high 8 bits of 24 bit value ; W18 is middle 8 bits of 24 bit value ; W19 is low 8 bits of 24 bit value ; ; 24-bit value is the roll/pointing? ; LSB (1 DN) = 0.08 arcsec (one "pulse") ; ;----- Geomagnetic Attitude Sensor (GAS) ---------------------- gas_pow_stat: BYTE(0), $ ; ??- GAS Power Status W48 F24 ; b2 = GAS on/off ; b1 = GAS Sensor SA/SB (set = SB) gas_A_HK: BYTE(0), $ ; ??- GAS-A Analog house keeping W32 F36 gas_E_HK: BYTE(0), $ ; ??- GAS-A Analog house keeping W32 F54 gas: BYTARR(3,4), $ ; 96- X position W81 F16 ; Y position W82 F16 ; Z position W83 F16 ; (i,j) i=0 is X, i=1 is Y ; j=four values per major frame ; 8-bit value is the ?? position ; between 0 and 512 pixels ; LSB (1 DN) = .0390625 volts (10,000 nT/volt) ; ;----- Two-Dimensional Fine Sun Sensor (TFSS) ---------------- tfss_pow_stat: BYTE(0), $ ;???- TFSS Power status W48 F24 ; b5 = TFSS on/off ; b4 = TFSS Cal?? tfss_v: BYTARR(2), $ ; - TFSS voltages?? W32 F13 tfss_temp: BYTE(0), $ ; - TFSS Temperature W32 F55 TFSS: INTARR(2,4), $ ;108-X Position W82,W83 ; Y Position W82,W83 ; (i,j) i=0 is X, i=1 is Y ; j=four values per major frame ; W82 is high 8 bits of 12 bit value ; W83 b4:7 = low 8 bits of 12 bit value ; 12-bit value is the ?? position ; between 0 and 512 pixels ; LSB (1 DN) = 0.00054 deg ; W83 ; b3 = x/y sun presence (1=on, 0=off) ; b2 = x/y quality flag (1=on, 0=off) ; ;----- Non-Spin Type Attitude Sensor (NSAS) ----------------- nsas_pow_stat: BYTE(0), $ ;???- NSAS Power status W48 F24 ; b7 = NSAS on/off ; b6 = NSAS Cal?? nsas_v: BYTARR(2), $ ; - NSAS voltages?? W32 F15 nsas_temp: BYTE(0), $ ; - NSAS Temperature W32 F56 nsas: INTARR(2,4), $ ;124- NSAS X address? W82,W83 ; NSAS Y address? W82,W83 ; (i,j) i=0 is X, i=1 is Y ; j=four values per major frame ; W82 is high 8 bits of 12 bit value ; W83 b4:7 = low 8 bits of 12 bit value ; 12-bit value is the ?? position ; between 0 and 512 pixels ; LSB (1 DN) = 0.5 pixels) ; x=0, y=0 ==> 0.025 deg ; W83 ; b3 = x/y sun presence (1=on, 0=off) ; b2 = x/y edge flag (1=on, 0=off) ; b1 = x/y upper discriminator (1=on, 0=off) ; b0 = x/y lower discriminator (1=on, 0=off) ; ;----- Star Tracker (STT) ---------------------- stt_pow_stat: BYTE(0), $ ;???-STT power status W48 F2 ; b7 = CPU1 on/off ; b6 = CPU2 on/off ; b5 = ; b4 = ; b3 = ; b2 = ; b1 = ; b0 = stt_stat: BYTARR(3), $ ;?? - STT Status W48 F18 ; b7 = ; b6 = ; b5 = ; b4 = ; b3 = ; b2 = ; b1 = ; b0 = stt_v: BYTE(0), $ ;?? - STT Voltages ; For FI = 0 = STT CCD W32 F17 ; For FI = 2 = STT REG W32 F17 stt_temp: BYTARR(2), $ ;?? - STT Temperatures W32 F56 ; stt_H_Pos: INTARR(2), $ ;140-STT star position (H) - horizontal? W82,W83 ; (j) j=two values per major frame ; 16-bit value is the star pixel position ? ; between 0 and 512 pixels ; LSB (1 DN) = 0.007812 pixels stt_V_Pos: INTARR(2), $ ;144-STT star position (V) - vertical? W82,W83 ; (j) j=two values per major frame stt_int: INTARR(2), $ ;148-STT star intensity W82,W83 ; (j) j=two values per major frame stt_alarm: INTARR(2), $ ;152-STT alarm signal W82,W83 ; (j) j=two values per major frame ; ;----- HXT 2-D Aspect Sensor ---------------------- hxa_pow_stat: BYTE(0), $ ; ??- HXA Power Status W48 F1 ; b4 = HXA on/off ; b3 = HXA cal hxa_addr: INTARR(32,2), $ ;156- Address of positions below discriminator W33,W34 ; (limbs and fiducial) ; (j,i) j=32 addresses per major frame ; i=0 is two sets of addresses per major frame ; The variable "hxa_xnum" tells how many x adresses ; there are in "hxa_addr" and "hxa_ynum" tells how ; many y addresses. The y addresses need to have ; 2048 subtracted from the value. hxa_xnum: BYTARR(2), $ ;284- Number of positions along X below discrim W49 F32 ; Two sets per major frame hxa_ynum: BYTARR(2), $ ;286- Number of positions along Y below discrim W49 F32 ; Two sets per major frame hxa_gain: BYTARR(2), $ ;288- Gain for HXA W49 F32 ; Two sets per major frame HXA_gain_cont: BYTARR(2), $ ; 80- Gain control commanded W49 F32 ; Hopefully not changed ; TODO - what is this - same Frame/Word as "hxa_xnum" ; ;----- Processed pointing info ---------------------- pntg_angle: LONARR(3), $ ;290- X,Y,Z euler angles in sun pointing coordinates From Ma ; 1 DN = 0.1 arcsec pntg_dev: LONARR(3), $ ;302- X,Y,Z standard deviation of attitude From Ma ; determination errors ; 1 DN = .01" pntg_motion: LONARR(3), $ ;314- X,Y,Z estimated drift rates From Ma ; 1 DN = 1.0"/hour pntg_status: LONG(0), $ ;326- Status From Ma ; b15 = TFSS 0=not used, 1=used ; b14 = NSAS 0=not used, 1=used ; b13 = STT 0=not used, 1=used ; b12 = GAS 0=not used, 1=used ; b11 = IRU 0=not used, 1=used ; b10 = ACP 0=not used, 1=used ; b9 = Spec 0=coarse, 1=fine ; b8 = 0=propagation, 1=renewal ; b7 = 0=forward, 1=backward ; b6 = sun presence 0=night, 1=day ; b5 = earth occultation 0=occul, 1=not occul pntg_Trace: BYTE(0), $ ; 30- Information on how pointing was derived Ground ; and whether there is data present ; 0 = No data present ; 1 = Original Technique used 20-Oct-91 to ?? ; The data in "pntg_angle" is the average of ; 8 raw IRU values (there are 8 values per ; major frame). If the time of the data ; does not match the time of the IRU data ; within 5 minutes, then no data is present. pntg_jitter: BYTE(0), $ ; 32- Magnitude of pointing change over ??sec Derived ; in ?? ; scaled - TODO ; spare: BYTARR(18) } ;330- end