[Isocops] IBEX Goat Herder 5 Apr 2011
Ibex Mission Operations
ibexops at gmail.com
Tue Apr 5 04:28:38 EDT 2011
1 Failed Perigee Contact with USN/AUS @0300. No command link and
intermittent telemetry and
the SSR-Dump was completed
*USN/PR# 10092
RAZOR# 452
*--
Sheral R. Wesley
SPVR., Satellite Operations
IBEX Mission OPS
(304) 279-6678
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IBEX Goat Herder 5 Apr 2011
1 Failed Perigee Contact with USN/AUS @0300. No command link and intermittent telemetry and
the SSR-Dump was completed
USN/PR# 10092
RAZOR# 452
Date
Monday, April 04, 2011
Jday Time Station Controller CAR1 CAR2 CAR3 Razor# USNPR# Radius S-Band Rate
094 1300 USAK SWesley 451 14 desc 40ksps
VC 0 VC 0 Seq Err VC 1 VC 1 Seq Err VC 2 VC 2 Seq Err PASS/FAIL
529 4 Pass
VC 2 Write Pointer Start 409 VC 2 Write Pointer End 441
VC 2 Read Pointer 48240 VC 2 Read Pointer End 48240
Orbit# 119 Tracking Contact
CAR# 451 Upload Orbit# 121 ATS 1.IBEX_2011_102_00_00_v001.scr(580-692)
reset_master_timer.scr
ops_set_sc_time.scr
@FMI_SetDownlink(64ksps)
@FMI_SetDownlink(160ksps)
@FMI_SetDownlink(2ksps)
@1249 ebno=8.84 - 10.04 dbm (40ksps)
@1316 ebno=8.74 - 9.96 dbm (40ksps)
@1316 ebno=7.58 - 8.12 dbm (64ksps)
@1317 ebno=3.07 - 4.56 dbm (160ksps)
@1318 ebno=23.18 - 25.24 dbm (2ksps)
AUTOTRACK
Date
Tuesday, April 05, 2011
Jday Time Station Controller CAR1 CAR2 CAR3 Razor# USNPR# Radius S-Band Rate
095 0300 AUWA SWesley 452 10092 9 asc 320ksps
VC 0 VC 0 Seq Err VC 1 VC 1 Seq Err VC 2 VC 2 Seq Err PASS/FAIL
1112 2 19053 0 Fail
VC 2 Write Pointer Start 1755 VC 2 Write Pointer End 1808
VC 2 Read Pointer 48240 VC 2 Read Pointer End 1757
Orbit# 119 SSR_Dump Contact
SSR_Dump.scr(new)
@0259 ebno=7.82 - 8.26 dbm (320ksps)
@0321 ebno=6.41 - 7.26 dbm (320ksps)
Lost telemetry and command sockets during the contact
MAESTRO re-started to clear hung sockets
USN/AUS data router re-started
IBEX Orbit# 119 J2000 Target Vectors
MPS Cmd Vector X=0.963601611
MPS Cmd Vector Y=0.245254302
MPS Cmd Vector Z=0.106406114
J2000 Spin Axis
ECI X=0.964250
ECI Y=0.238250
ECI Z=0.116015
-0.30608700=ActNor.EstInrToBdy[0]
0.59017200=ActNor.EstInrToBdy[1]
-0.17481700=ActNor.EstInrToBdy[2]
0.72625500= ActNor.EstInrToBdy[3]
986010000.000=ActNor.EstTime
Precession Maneuver
MPS Diff=0.682 deg
*MPS Diff should be < 1.5*
IBEX Spin Zxis (+Z S/C)
Right Ascension - RA=13.879 deg
Declination - DEC=6.662 deg
IBEX Spin Axis vs. Sun Vector
IBEX Sun Angle=0.750 deg
Pre-Burn 4 Apr 2011 @1336
Thruster 1=24032
Thruster 2=23728
Thruster 3=24672
Thruster 4=24976
Post-Burn 5 Apr 2011 @0336
Thruster 1=24448
Thruster 2=24144
Thruster 3=25088
Thruster 4=25392
Number of Pulses
Thruster 1=416
Thruster 2=416
Thruster 3=416
Thruster 4=416
Thruster Pairs
Thruster 1 & 2=832
Thruster 3 & 4=832
4 Apr 2011 @1336
CSS Angle TLM=3.34287
CSS Sun-Pointing Angle=6.68574
5 Apr 2011 @0336
CSS Angle TLM=0.441905
CSS Sun-Pointing Angle=0.88381
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