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arc generates a summary of its processing. Historically called the "o_file" or "a_file", this contains such information as the satellites processed, the models used and eclipse times.
The o_file begins with a more general block of information which includes:
Example
Output archive file: o.289 Grav Model Rad Model Tab Inter Integ Inter Time Ref Frame Precession ---------- --------- --------- ----------- ---- -------------------- ---------- IGS92 RCKSV 1350.0 168.7500 UTC INERTIAL 1950.0 IAU68 Input ICs file: g.289 Output yaw file: y.289 9.26 of 95/05/12 10:05:00 (HP-UX) Rock4 & 42 (t series) radiation pressure model SV-BODY parameterization Epoch of ICs, read from: g.289 Yr Mn Dy Hr Min Sec JD Sec of Day (UTC ) 96 10 15 11 59 49. 2450372 43189.00000000 Input start time for observations: Yr Mn Dy Hr Min Sec JD Sec of Day (UTC ) 96 10 14 20 0 0. 2450371 72000.00000000 Input stop time for observations: Yr Mn Dy Hr Min Sec JD Sec of Day (UTC ) 96 10 16 4 0 0. 2450373 14400.00000000 TDT-UTC at IC epoch = 62.1840 secInformation about each satellite is generated as that satellite is processed. These satellite specific blocks of information follow. Each block contains:
Example
******************************* PRN 9 ********************************** PRN 9 is a block 2 satellite and has a mass of 972900.0 grams ICs on g-file : X Y Z XDOT YDOT ZDOT XRAD YRAD ICs integrated: Satellite and ICs: NS39 .101352584367900D+05 .214344376924000D+05 -.122403518472800D+05 -.287667011867700D+01 -.117959880747000D+00 -.256527515023900D+01 .100000000000000D+01 .000000000000000D+00 .100000000000000D+01 Sat Se mimjr Ax Eccen'ty Perigee Inclin'n Ascen.Node Mn Anomaly ___KM.___ DDD MM SS.S DDD MM SS.S DDD MM SS.S DDD MM SS.S NS39 26561.139 .005357 3 38 39.7 54 0 36.6 222 40 19.9 211 12 35.1 RCKSV: Solar radiation pressure model coefficients NS39 .1000D+01 .0000D+00 .1000D+01 IERS92/IGS Standards for model constants Times written to T-file header (UTC ) IC epoch: 96 10 15 11 59 49.000000 Start : 1996 10 14 16 7 19.000000 Stop : 1996 10 16 7 52 19.000000 No. epochs: 107 Tabular interval: 1350.0 Integration interval: 168.7500 PJD LAMBDA YR DOY MO DY HR MIN PRN Start eclipse: 2450372.42956 .167 96 289 10 15 10 18 PRN 9 Eclipsing: 2450372.41589 .221 96 289 10 15 9 58 PRN 9 End eclipse: 2450372.41394 1.000 96 289 10 15 9 56 PRN 9 Start eclipse: 2450371.92956 .607 96 288 10 14 22 18 PRN 9 Eclipsing: 2450371.91979 .054 96 288 10 14 22 4 PRN 9 Eclipsing: 2450371.91784 .841 96 288 10 14 22 1 PRN 9 End eclipse: 2450371.91589 1.000 96 288 10 14 21 58 PRN 9 Start eclipse: 2450372.91198 .995 96 289 10 15 21 53 PRN 9 End eclipse: 2450372.93151 1.000 96 289 10 15 22 21 PRN 9 PRN 9 Eclipse interval: 96 288 21 58 96 288 22 18 PRN 9 Eclipse interval: 96 289 9 56 96 289 10 18 PRN 9 Eclipse interval: 96 289 21 53 96 289 22 21The summary file ends with:
Complete Example
Output archive file: o.289 Grav Model Rad Model Tab Inter Integ Inter Time Ref Frame Precession ---------- --------- --------- ----------- ---- -------------------- ---------- IGS92 RCKSV 1350.0 168.7500 UTC INERTIAL 1950.0 IAU68 Input ICs file: g.289 Output yaw file: y.289 9.26 of 95/05/12 10:05:00 (HP-UX) Rock4 & 42 (t series) radiation pressure model SV-BODY parameterization Epoch of ICs, read from: g.289 Yr Mn Dy Hr Min Sec JD Sec of Day (UTC ) 96 10 15 11 59 49. 2450372 43189.00000000 Input start time for observations: Yr Mn Dy Hr Min Sec JD Sec of Day (UTC ) 96 10 14 20 0 0. 2450371 72000.00000000 Input stop time for observations: Yr Mn Dy Hr Min Sec JD Sec of Day (UTC ) 96 10 16 4 0 0. 2450373 14400.00000000 TDT-UTC at IC epoch = 62.1840 sec ******************************* PRN 7 ********************************** PRN 7 is a block 2 satellite and has a mass of 972900.0 grams ICs on g-file : X Y Z XDOT YDOT ZDOT XRAD YRAD ICs integrated: Satellite and ICs: NS37 -.255635664651100D+05 .547864607406000D+04 -.344702929773000D+04 -.460912519120000D-01 -.229104850594000D+01 -.315806838501300D+01 .100000000000000D+01 .000000000000000D+00 .100000000000000D+01 Sat Se mimjr Ax Eccen'ty Perigee Inclin'n Ascen.Node Mn Anomaly ___KM.___ DDD MM SS.S DDD MM SS.S DDD MM SS.S DDD MM SS.S NS37 26561.724 .008625 222 46 12.9 55 8 0.3 342 37 58.2 326 56 27.5 RCKSV: Solar radiation pressure model coefficients NS37 .1000D+01 .0000D+00 .1000D+01 IERS92/IGS Standards for model constants Times written to T-file header (UTC ) IC epoch: 96 10 15 11 59 49.000000 Start : 1996 10 14 16 7 19.000000 Stop : 1996 10 16 7 52 19.000000 No. epochs: 107 Tabular interval: 1350.0 Integration interval: 168.7500 ******************************* PRN 9 ********************************** PRN 9 is a block 2 satellite and has a mass of 972900.0 grams ICs on g-file : X Y Z XDOT YDOT ZDOT XRAD YRAD ICs integrated: Satellite and ICs: NS39 .101352584367900D+05 .214344376924000D+05 -.122403518472800D+05 -.287667011867700D+01 -.117959880747000D+00 -.256527515023900D+01 .100000000000000D+01 .000000000000000D+00 .100000000000000D+01 Sat Se mimjr Ax Eccen'ty Perigee Inclin'n Ascen.Node Mn Anomaly ___KM.___ DDD MM SS.S DDD MM SS.S DDD MM SS.S DDD MM SS.S NS39 26561.139 .005357 3 38 39.7 54 0 36.6 222 40 19.9 211 12 35.1 RCKSV: Solar radiation pressure model coefficients NS39 .1000D+01 .0000D+00 .1000D+01 IERS92/IGS Standards for model constants Times written to T-file header (UTC ) IC epoch: 96 10 15 11 59 49.000000 Start : 1996 10 14 16 7 19.000000 Stop : 1996 10 16 7 52 19.000000 No. epochs: 107 Tabular interval: 1350.0 Integration interval: 168.7500 PJD LAMBDA YR DOY MO DY HR MIN PRN Start eclipse: 2450372.42956 .167 96 289 10 15 10 18 PRN 9 Eclipsing: 2450372.41589 .221 96 289 10 15 9 58 PRN 9 End eclipse: 2450372.41394 1.000 96 289 10 15 9 56 PRN 9 Start eclipse: 2450371.92956 .607 96 288 10 14 22 18 PRN 9 Eclipsing: 2450371.91979 .054 96 288 10 14 22 4 PRN 9 Eclipsing: 2450371.91784 .841 96 288 10 14 22 1 PRN 9 End eclipse: 2450371.91589 1.000 96 288 10 14 21 58 PRN 9 Start eclipse: 2450372.91198 .995 96 289 10 15 21 53 PRN 9 End eclipse: 2450372.93151 1.000 96 289 10 15 22 21 PRN 9 PRN 9 Eclipse interval: 96 288 21 58 96 288 22 18 PRN 9 Eclipse interval: 96 289 9 56 96 289 10 18 PRN 9 Eclipse interval: 96 289 21 53 96 289 22 21 ******************************* PRN 10 ********************************** PRN 10 is a block 2 satellite and has a mass of 972900.0 grams ICs on g-file : X Y Z XDOT YDOT ZDOT XRAD YRAD ICs integrated: Satellite and ICs: NS40 -.109300175639100D+05 .227769285314100D+05 .809244266497000D+04 -.168186190934400D+01 -.185484574747800D+01 .296230137143700D+01 .100000000000000D+01 .000000000000000D+00 .100000000000000D+01 Sat Se mimjr Ax Eccen'ty Perigee Inclin'n Ascen.Node Mn Anomaly ___KM.___ DDD MM SS.S DDD MM SS.S DDD MM SS.S DDD MM SS.S NS40 26561.291 .001627 341 50 34.9 55 17 47.0 102 49 6.8 39 49 6.2 RCKSV: Solar radiation pressure model coefficients NS40 .1000D+01 .0000D+00 .1000D+01 IERS92/IGS Standards for model constants Times written to T-file header (UTC ) IC epoch: 96 10 15 11 59 49.000000 Start : 1996 10 14 16 7 19.000000 Stop : 1996 10 16 7 52 19.000000 No. epochs: 107 Tabular interval: 1350.0 Integration interval: 168.7500 Output T file: u.289
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