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Station History Log - Yarragadee, Australia (7090)

SOD Year Doy Toy System Description
70900513 2019 127 14:00 09.02.01 Event Timer 1pps input direct from LRC (bypasses Event Timer Computer)
70900513 2019 080 06:00 09.02.01 CNS-I reference clock swapped out for upgraded unit
70900513 2018 354 04:00 09.01.01 XL-DC units swapped - 99173237 out; 994912244 in
70900513 2018 240 07:00 06.01 Low loss receive cable (350 type) replaced
70900513 2018 240 07:00 06.02 Low loss receive cable (350 type) replaced
70900513 2017 254 13:00 06.01 Event Timer Cybi_ETM-02 sn 011 prime CF incremented to 6
70900513 2017 254 13:00 06.02 Event Timer Cybi_ETM-02 sn 011 prime CF incremented to 6
70900513 2017 072 04:00 06.01 MCP changed: sn108507 removed sn128801 installed
70900513 2017 072 04:00 06.02 MCP changed: sn108507 removed sn128801 installed
70900513 2017 028 11:00 05.01 Amplifier flash lamps changed
70900513 2016 321 07:00 06.01 Low loss receive cable (350 type) replaced
70900513 2016 321 07:00 06.02 Low loss receive cable (350 type) replaced
70900513 2016 234 08:00 05.01 Oscillator flash lamps changed
70900513 2016 230 07:00 05.01 transmit telescope dried out and rebuilt
70900513 2016 064 08:00 09.02.01 1PPS station UTC reference now derived from XL-DC and LRC. TCG removed
70900513 2016 053 08:00 06.01 LRC circuit board replaced
70900513 2016 053 08:00 06.02 LRC circuit board replaced
70900513 2015 330 05:55 06.01 TIU Optimization performed - Start -0.30V Stop -0.25V
70900513 2015 330 05:55 06.02 TIU Optimization performed - Start -0.30V Stop -0.25V
70900513 2015 330 05:54 06.01 HP5370B modified - input termination resistors soldered in
70900513 2015 330 05:54 06.02 HP5370B modified - input termination resistors soldered in
70900513 2015 295 15:00 06.01 HP5370B (sn2438A01106) replaced with HP5370B (sn2740A02007)
70900513 2015 295 15:00 06.02 HP5370B (sn2438A01106) replaced with HP5370B (sn2740A02007)
70900513 2015 213 04:15 06.01 TIU Optimization performed
70900513 2015 213 04:15 06.02 TIU Optimization performed
70900513 2015 213 04:00 06.01 Low loss receive cable (350 type) replaced
70900513 2015 213 04:00 06.02 Low loss receive cable (350 type) replaced
70900513 2015 193 06:00 06.01 CFD Alignment to suit ITT F4129 MCP - chn4 delay cable=119mm z=-5.7mV
70900513 2015 105 06:15 06.01 TIU Optimization performed
70900513 2015 105 06:15 06.02 TIU Optimization performed
70900513 2015 082 05:00 06.01.01 ITT F4129 MCP reinstalled
70900513 2015 082 05:00 06.02.01 ITT F4129 MCP reinstalled
70900513 2015 082 04:40 06.01.02 Photek 318SA MCP removed due to degradation
70900513 2015 082 04:40 06.02.02 Photek 318SA MCP removed due to degradation
70900513 2015 055 05:00 11.01 Aircraft safety radar removed for repair - tuning errors
70900513 2015 051 06:27 09.01.01 XL-DC Rubidium now prime for SLR
70900513 2015 051 06:00 09.01.02 Jump noticed in station time - occurred sometime after 00:30
70900513 2015 051 06:00 09.01.02 Maser reference signals degraded at SLR van
70900513 2015 050 04:00 09.02.01 GPS time (IRIG-B) for servo pc now on XL-DC (Rb)
70900513 2015 007 03:00 09.01.02 Extra insulation added to Maser room
70900513 2014 354 00:00 10.03 Correct NORAD number now inserted into frd and crd headers
70900513 2014 348 07:40 06.01 Low loss receive cable (350 type) replaced
70900513 2014 348 07:40 06.02 Low loss receive cable (350 type) replaced
70900513 2014 323 04:00 07.01 Minimum tracking elevation reduced to 10 degrees
70900513 2014 323 02:00 11.01 Aircraft safety radar performance validated down to 10 degrees elevation
70900513 2014 192 04:00 11.01 Aircraft safety radar returned to service after rebuild
70900513 2014 171 04:00 04.01 Elevation tachometer replaced
70900513 2014 129 07:00 06.01 TIU Optimization performed
70900513 2014 129 07:00 06.02 TIU Optimization performed
70900513 2014 129 04:00 06.01 Low loss receive cable (350 type) replaced (3.2nS short)
70900513 2014 129 04:00 06.02 Low loss receive cable (350 type) replaced (3.2nS short)
70900513 2014 129 00:36 09.01.01 -1.1uS time step on (TCG) station time
70900513 2014 097 06:20 09.01.01 TIU external reference on Maser 10Mhz
70900513 2014 097 03:30 12.01.02 MET4 replaced - calibration cycle
70900513 2014 097 03:30 12.02.02 MET4 replaced - calibration cycle
70900513 2014 097 03:30 12.03.02 MET4 replaced - calibration cycle
70900513 2014 061 04:00 07.01 Minimum tracking elevation reduced to 14 degrees
70900513 2014 052 07:15 09.01.01 TIU external reference on XL-DC (Rubidium) 10Mhz
70900513 2014 050 07:00 05.01 PD-10 Start diode back on internal battery supply
70900513 2014 036 02:00 05.01 PD-10 Start diode on external power supply
70900513 2014 031 00:12 09.01.01 -1uS time step on (TCG) station time
70900513 2014 017 04:40 06.01 TIU Optimization performed
70900513 2014 017 04:40 06.02 TIU Optimization performed
70900513 2014 016 04:00 05.01 Laser start pulse adjusted from -3V down to -1.5V
70900513 2013 225 03:10 04.01 Servo amplifiers repaired - station green
70900513 2013 224 11:00 04.01 Servo amplifiers failed - station red
70900513 2013 217 09:20 04.01 Servo amplifiers repaired - station green
70900513 2013 215 09:00 05.01 New oven controlled second harmonic generator installed
70900513 2013 208 18:15 04.01 Servo amplifiers failed - station red
70900513 2013 118 08:00 05.01 Oscillator flash lamps changed
70900513 2013 094 09:00 04.01 ITT az and el encoder mod done
70900513 2013 042 02:00 06.01 Receive Integrator aligned
70900513 2013 042 02:00 06.02 Receive Integrator aligned
70900513 2013 004 00:30 06.01.02 Replacement Photek 318SA MCP (sn 42101112) installed
70900513 2013 004 00:30 06.02.02 Replacement Photek 318SA MCP (sn 42101112) installed
70900513 2012 361 13:30 06.01.02 Photek 318SA MCP failed
70900513 2012 361 13:30 06.02.02 Photek 318SA MCP failed
70900513 2012 306 02:00 99 Workshop and stores vans moved away from SLR vans
70900513 2012 258 00:10 09.01.02 Maser stable - now prime for SLR and LRO
70900513 2012 258 00:10 09.01.01 XL-DC Rubidium now standby/backup for SLR and LRO
70900513 2012 252 08:00 06.01 Low loss receive cable (350 type) replaced
70900513 2012 252 08:00 06.02 Low loss receive cable (350 type) replaced
70900513 2012 252 02:00 10.03 New generic normal point software - gnp (v2.7.4)
70900513 2012 248 19:48 09.01.01 XL-DC Rubidium now prime for SLR and LRO
70900513 2012 248 19:40 09.01.02 Maser unlock errors
70900513 2012 240 00:00 11.01 Aircraft safety radar failed
70900513 2011 302 09:00 06.01 Low loss receive cable (350 type) replaced
70900513 2011 302 09:00 06.02 Low loss receive cable (350 type) replaced
70900513 2011 196 06:00 05.01 Laser amplifier flash lamps replaced
70900513 2011 141 03:02 12.01.02 MET4 installed
70900513 2011 141 03:02 12.02.02 MET4 installed
70900513 2011 141 03:02 12.03.02 MET4 installed
70900513 2011 141 03:00 12.01.01 MET3 removed
70900513 2011 141 03:00 12.02.01 MET3 removed
70900513 2011 141 03:00 12.03.01 MET3 removed
70900513 2010 270 05:30 04.01 New version of monitor (v5.3) installed on servo controller pc
70900513 2010 249 09:15 12.01.01 MET3 replaced - calibration cycle
70900513 2010 249 09:15 12.02.01 MET3 replaced - calibration cycle
70900513 2010 249 09:15 12.03.01 MET3 replaced - calibration cycle
70900513 2010 154 19:45 04.01 New version of sattrk (v7.10) installed on servo controller pc
70900513 2010 135 14:00 09.01.02 Maser prime ref for slr
70900513 2010 135 09:28 09.01.01 XL-DC Rubidium failed
70900513 2010 122 00:00 05.01 Laser amplifier flash lamps replaced, laser aligned
70900513 2010 075 07:00 10.03 New generic normal point software - gnp (v2.7.3) - crd version, installed
70900513 2010 067 19:00 04.01 New version of monitor (v5.2) installed on servo controller pc
70900513 2009 349 09:00 09.01.01 Replacement XL-DC Rubidium installed
70900513 2009 289 09:00 06.01 Low loss receive cable (350 type) replaced
70900513 2009 289 09:00 06.02 Low loss receive cable (350 type) replaced
70900513 2009 271 19:00 99 New 10pps LRC installed.
70900513 2009 247 19:00 04.01 New servo controller software installed sattrk (v6.00) & monitor (v5.01)
70900513 2009 184 03:00 05.01 New saturable absorber, pulse slicer and laser table
70900513 2009 147 06:20 06.01.02 Photek 318SA MCP,new cfd (sn266) and new quad integrator installed
70900513 2009 147 06:20 06.02.02 Photek 318SA MCP installed
70900513 2009 145 00:00 10.02 New slr data processor pc installed (DELL Precision 390)new gnp (v2.6.5)
70900513 2008 097 00:00 04.01 New servo controller pc installed (DELL Precision 380) sattrk (v5.01)
70900513 2007 300 16:00 06.01 Receive integrator aligned
70900513 2007 300 16:00 06.02 Receive integrator aligned
70900513 2007 289 07:00 06.01 Low loss receive cable (350 type) replaced
70900513 2007 289 07:00 06.02 Low loss receive cable (350 type) replaced
70900513 2007 286 00:00 06.01 Spare receive cable (RG214) installed
70900513 2007 286 00:00 06.02 Spare receive cable (RG214) installed
70900513 2007 261 09:00 04.01 New zero look ahead bias SATTRK (v4.1?) installed
70900513 2007 059 10:00 10.02 New cpf version of HPLDP installed
70900513 2006 351 14:00 06.01.01 Low loss receive cable (350 type) replaced
70900513 2006 351 14:00 06.02.01 Low loss receive cable (350 type) replaced
70900513 2006 347 06:00 10.02 New generic normal point software - gnp (v2.6) installed
70900513 2006 226 00:00 04.01 Crack in 75cm corrector plate
70900513 2006 209 06:20 12.01.01 MET3 replaced - calibration cycle
70900513 2006 209 06:20 12.02.01 MET3 replaced - calibration cycle
70900513 2006 209 06:20 12.03.01 MET3 replaced - calibration cycle
70900513 2006 160 09:00 10.02 New Python NP processing scripts installed
70900513 2006 138 18:00 04.01 Restricted tracking software (monitor & sattrk) installed
70900513 2006 002 07:00 06.01.01 Low loss receive cable (350 type) installed
70900513 2006 002 07:00 06.02.01 Low loss receive cable (350 type) installed
70900513 2005 358 04:00 06.01.01 Spare receive cable (RG214) installed
70900513 2005 358 04:00 06.02.01 Spare receive cable (RG214) installed
70900513 2005 325 09:00 04.01 Daylight Filter replaced
70900513 2004 051 09:00 06.01.01 Low loss receive cable (350 type) installed
70900513 2004 051 09:00 06.02.01 Low loss receive cable (350 type) installed
70900513 2004 047 08:00 06.01.01 Spare receive cable (RG214) installed
70900513 2004 047 08:00 06.02.01 Spare receive cable (RG214) installed
70900513 2003 313 00:00 06.01.01 Low loss receive cable (350 type) installed
70900513 2003 313 00:00 06.02.01 Low loss receive cable (350 type) installed
70900513 2003 294 08:00 05.01 Oscillator flash lamps changed
70900513 2003 272 16:00 06.01.01 New MCP HV power supply (SRS-350) installed
70900513 2003 272 16:00 06.02.01 New MCP HV power supply (SRS-350) installed
70900513 2003 261 16:20 09.01.01 Replacement XL-DC Rubidium installed
70900513 2003 219 07:00 04.01 Keyhole software installed on servo controller pc
70900513 2003 171 16:00 99 New LRC drawer installed
70900513 2003 161 12:00 06.01.01 Spare receive cable (RG214) installed
70900513 2003 161 12:00 06.02.01 Spare receive cable (RG214) installed
70900513 2003 137 22:00 06.01.01 TIU 5370A replaced with 5370B
70900513 2003 131 11:00 06.01.01 TIU 5370B replaced with spare 5370A
70900513 2002 200 15:00 05.01 New CB631 installed
70900513 2002 167 04:00 05.01 Spare CB430 installed in place of failed CB631
70900513 2002 070 11:25 10.01 Laser data processing software (v 1.3 inc gnp 2.5.2F) installed on ppc
70900513 2002 009 08:00 06.01.01 Low loss receive cable (350 type) installed
70900513 2002 009 08:00 06.02.01 Low loss receive cable (350 type) installed
70900513 2001 364 07:00 06.01.01 Spare receive cable (RG214) installed
70900513 2001 364 07:00 06.02.01 Spare receive cable (RG214) installed
70900513 2001 323 00:00 07.01 Minimum tracking elevation lowered from 20 to 16 degrees
70900513 2001 310 03:00 05.01 Oscillator flash lamps changed
70900513 2001 271 04:00 06.01.01 Low loss receive cable (350 type) installed
70900513 2001 271 04:00 06.02.01 Low loss receive cable (350 type) installed
70900513 2001 246 04:00 06.01.01 Spare receive cable (RG214) installed
70900513 2001 246 04:00 06.02.01 Spare receive cable (RG214) installed
70900513 2001 145 23:30 09.01.01 Replacement TrueTime XL-DC Rb (sn237) installed
70900513 2000 293 02:40 04.01 40pps interrupt upgrade to servo controller computer
70900513 2000 292 08:12 09.01.01 New XL-DC installed as prime frequency reference
70900513 2000 282 01:12 09.01.01 Cesium 0207 prime frequency reference
70900513 2000 281 00:00 09.01.01 XL-DC unlocked
70900513 2000 194 20:00 10.01 NP processing sofware and hpldp installed
70900513 2000 181 15:00 09.01.01 TrueTime XL-DC Rb installed as prime frequency reference
70900513 2000 080 10:00 05.01 New 6mm laser oscillator installed
70900513 2000 071 09:20 05.01 Laser oscillator failed
70900513 2000 064 01:00 12.01.01 MET3 installed
70900513 2000 064 01:00 12.02.01 MET3 installed
70900513 2000 064 01:00 12.03.01 MET3 installed
70900513 2000 057 08:00 04.01 New version of Sattrk installed
70900513 2000 040 00:00 04.01 New version of Sattrk installed
70900513 2000 026 19:00 10.01 hpldp and decod_uniq replaced
70900513 1999 364 06:00 05.01 Oscillator flash lamps changed
70900513 1999 264 00:00 04.01 Servo controller software update (Y2K)
70900513 1999 208 12:30 04.01 New MCP Iris installed
70900513 1999 167 08:00 10.01 NP processor replaced. New GNP software (version 1.93)
70900513 1999 095 13:00 09.02.01 CNS-I Clock installed for GPS time reference
70900513 1999 095 04:00 06.01.01 Low loss receive cable (350 type) replaced
70900513 1999 095 04:00 06.02.01 Low loss receive cable (350 type) replaced
70900513 1998 282 00:00 04.01 Telescope secondary mirror reglued
70900513 1998 211 00:00 06.02.01 HSLR Upgrade installed
70900513 1998 123 07:30 04.01 Telescope secondary detached ( glue failed temp re-attached mechanically)
70900513 1998 065 17:00 05.01 Laser oscillator head upgrade (SF611-07 installed)
70900513 1998 027 11:00 06.01.01 HP5370B set to correct external 5Mhz reference
70900513 1998 016 10:00 06.01.01 HP5370B installed (with incorrect internal 5Mhz ref)
70900513 1998 007 00:10 06.01.01 HP5370A failed