70802419 2019 255 00:00 3 14.01 A series of lighning strikes disabled several subsystems. This permanently ended MLRS operations. RIP. 
70802419 2019 066 00:00 3 6.01.02 MCP-PMT replaced with latest network standard, as QE of old MCP had dropped immensely. 
70802419 2018 317 00:00 3 9.01.03 Cs clock replaced by CNS model 2 due Cs clock failure. 
70802419 2015 194 00:00 3 05.04 Upgraded laser 
70802419 2015 194 00:00 0 11.02 Replaced radar 
70802419 2014 174 00:00 1 99 Replaced analysis computer OS with Ubuntu 14.04 Long Term Support 
70802419 2013 343 00:00 0 6.02 Hamamatsu detector no longer functional 
70802419 2013 233 00:00 2 99 Replaced controller OS with real time Linux (Ubuntu 12.04+RTAI) and ported control software 
70802419 2013 192 20:42 2 12 Replaced Met4 unit s/n 117660 with s/n 117562. 
70802419 2013 192 00:00 1 04 Re-align MLRS telescope and related optics 
70802419 2012 164 00:00 2 12 Replaced Met3 meteorological sensors with Met4 (LynxOS controller) 
70802419 2012 045 00:00 2 99 Testing using first version of Linux controller software 
70802419 2010 105 00:00 2 10 Replaced old normal point program with new HTSI gnp normal point program. 
70802419 2010 067 00:00 2 12 Replacement Met3 unit installed (calibration cycle) 
70802419 2010 030 00:00 2 99 Controller system replaced with Dell 380 running LynxOS 4.2 and MLRS software 
70802419 2009 182 00:00 2 09.01.02 Symmetricon Cs clock now station standard; TAC is backup. 
70802419 2009 169 00:00 2 10 Processor system replaced w/ Dell Precision 380 running RHEL5 & MLRS software 
70802419 2009 124 00:00 2 10 Old format full-rate and normalpoint dropped as CRD products have been validated. 
70802419 2008 023 00:00 2 10 Begin parallel production processing and transmission of CRD format data with old format. 
70802419 2007 146 00:00 2 06 Hamamatsu detector with Avantek amp added for use will high satellites and the moon. 
70802419 2006 127 00:00 2 10 Fedora Core 4 Linux O/S installed on processor computer. All software recompiled. 
70802419 2004 043 00:00 2 10 Processor computer upgraded with new motherboard, hard disk & Fedora Core 1 Linux O/S. All software recompiled. 
70802419 2003 255 00:00 0 7 Baldwin abosulte and incremental yoke encode replaced with Heidenhain tape incremental encoder 
70802419 2003 217 00:00 2 05.02 Krytron flashlamps replaced with avalanche diodes 
70802419 2003 137 00:00 2 12 Paroscientific MET3 meteorology package (NASA network standard) 
70802419 2001 142 00:00 2 06 New hardware bit positively identifies detector in use, and controller software puts it into the data stream. 
70802419 1998 225 00:00 2 99 Replace controller with PC identical to new analysis workstation, running LynxOS 2.4.0 and updated software. 
70802419 1997 344 00:00 2 06 Make Timer B return circuitry similar to that for fire to prevent sync problems with faster computer. 
70802419 1997 239 00:00 2 09 Cesium beam replaced by crystal clock 
70802419 1997 181 00:00 2 10 Linux-based on-site analysis system (HP replacement) 
70802419 1996 087 00:00 2 12 Installation of new temperature and humidity sensor 
70802419 1995 065 00:00 2 99 LynxOS-based controller system 
70802419 1995 001 00:00 2 06.02 APD added as another lunar detector 
70802419 1994 001 00:00 2 10 New onsite processing for full rate & quick-look data products. 
70802419 1993 162 00:00 2 10 Software change -- Quick-look data. (Engineering & NP). Caused by colloc. testng range bias discovery. 
70802419 1992 226 00:00 2 10 HP Normalpoint software upgrade installed - Poisson filter. 
70802419 1992 101 00:00 2 10 S/w change to optimize normal-point integration step size & degree/order 
70802419 1991 185 00:00 2 10 HP s/w changes installed to enhance q/l & normalpoint data production. 
70802419 1991 100 00:00 2 10.01 HP Computer hdwre & s/w installed. 
70802419 1990 335 00:00 2 06.01 All satellite data is now taken with MCP 
70802419 1990 268 00:00 2 06.01 MCP installed for Lageos data. (Note: Etalon data will continue to be taken using the Varian PMT.) 
70802419 1990 157 00:00 2 06 Phase 3B mod removed - now using Phase 3A timing configuration. 
70802419 1990 120 00:00 2 06 Using Phase 3B timing - TD811. 
70802419 1990 094 00:00 2 08.01 Spider Calibration Config. 
70802419 1990 026 00:00 2 06 Insertion of an "OR" Gate. 
70802419 1990 016 00:00 2 06 Notch Discr. capability. 
70802419 1989 322 00:00 2 06.02 Varian with no amplifier receive configuration. (Lunar, high satellites) 
70802419 1989 271 00:00 2 06.01 MCP moved to Port 2 for Varian PMT/MCP switch 
70802419 1989 256 00:00 2 09 Constant clock phase gate modification