| SOD | Year | Day of Year |
Time of Day |
Data Impact | System | Description |
|---|---|---|---|---|---|---|
| 78393402 | 2024 | 283 | 00:00 | 0 | 99 | A new temperature stabilization unit for C-SPAD installed; T. setpoint 25 [deg] |
| 78393402 | 2024 | 270 | 00:00 | 1 | 5.02 | Lambda/4 waveplate removed; linear polarization. |
| 78393402 | 2024 | 017 | 13:00 | 0 | 4.01 | The old flat protecting window replaced by a new one with coating S1 & S2: AR R < 1% @ 532 nm & 1064 nm & 1550 nm, R < 1% @ VIS, AOI 0 degree |
| 78393402 | 2023 | 313 | 00:00 | 0 | 99 | A ceiling-mounted cassette air conditioner installed in the laser room, where Clock, ET, Barometer are located as well. |
| 78393402 | 2023 | 306 | 00:00 | 0 | 5.02 | Pockels cell high voltage driver changed, the crystal remains. |
| 78393402 | 2023 | 181 | 00:00 | 1 | 99 | Stop sending CRD v1 |
| 78393402 | 2022 | 180 | 00:00 | 1 | 5.02 | A new laser start diode installed; the old replaced |
| 78393402 | 2021 | 085 | 12:00 | 1 | 12 | New PTU300 (SN: T0210974) with two barameters installed in laser room; old PTU300 (SN: L1110324) for barometric pressure comparison, temperature and humidity |
| 78393402 | 2021 | 078 | 14:00 | 1 | 5.02 | Lambda/4 re-installed; circular polarization; |
| 78393402 | 2020 | 345 | 00:00 | 1 | 12 | Old MET3A replaced by a newly calibrated Vaisala PTU300 for Temp, Humidity & Pressure measurements |
| 78393402 | 2020 | 062 | 00:00 | 0 | 11 | New Aircraft Detection installed (Air!Squitter/JetVision, with ADS-B/MLAT/Flarm) |
| 78393402 | 2019 | 070 | 15:00 | 1 | 99 | Pulse Distribution Box / Power Supply repaired, cables changed, affects cal constant |
| 78393402 | 2018 | 074 | 00:00 | 1 | 99 | Pulse Distribution Box / Trigger Level changed; aligned for min jitter; CAL changed by 350 ps |
| 78393402 | 2015 | 124 | 08:00 | 0 | 5.02 | Laser Beam path on laser table changed; causes CAL constant change only |
| 78393402 | 2015 | 023 | 00:00 | 0 | 99 | Mount DetPack New M1/Dichroic (EO86-400): Rmax 532 / Tmax 650-1200 nm |
| 78393402 | 2015 | 023 | 00:00 | 0 | 99 | Mount Main dichroic changed to IQOQI 2 (reflects 800 nm, transmits everything else) |
| 78393402 | 2015 | 023 | 00:00 | 0 | 99 | Mount Temp stab for C-SPAD housing directly coupled to temp controlled air flow |
| 78393402 | 2014 | 289 | 00:00 | 0 | 99 | Mount Complete mechanical rebuild of detetction package; but same optical / electronical units |
| 78393402 | 2014 | 181 | 05:00 | 0 | 99 | RANGE Program updated V7.31: Format#5 for returns; increased for >99999 SoD |
| 78393402 | 2014 | 016 | 11:00 | 0 | 99 | RANGE Program updated V7.30: FPGA RG FIFO reduced, part of future RGs stored now in PC |
| 78393402 | 2013 | 181 | 00:00 | 0 | 99 | CPF_WG 2x Iteration changed to 4x Iteration, for horizontal HEO residuals |
| 78393402 | 2013 | 171 | 15:00 | 0 | 99 | Laser Room at 15:00 UTC; Temperature reduced by 2C to 20C (mount Electronics) |
| 78393402 | 2013 | 163 | 00:00 | 0 | 99 | Laser Polarization fixed again; Unit disconnected, software still sends commands |
| 78393402 | 2013 | 074 | 00:00 | 1 | 8.01 | CAL CAL Program extended for different lasers; new setup files; calfile format adapted |
| 78393402 | 2012 | 324 | 00:00 | 1 | 5.02 | Laser Lambda/4 removed; Lambda/2 RC unit re-installed; linear polarization; restart Glonass Retro Tests |
| 78393402 | 2012 | 289 | 00:00 | 1 | 99 | Coude Coude mirrors: Cleaned (with Polymer); new airtight path; aligned |
| 78393402 | 2012 | 269 | 00:00 | 0 | 4.01 | Mount Az Poti included |
| 78393402 | 2012 | 254 | 00:00 | 0 | 99 | Range NPts_AG: Valid points only if AG is on |
| 78393402 | 2012 | 208 | 00:00 | 1 | 99 | PDM PDM 2012 installed: Improved NIM; 10kHz ready |
| 78393402 | 2012 | 083 | 00:00 | 0 | 5.02 | Laser Lambda/4 plate installed; changes linear into circular poarization; starts with LAS08309 |
| 78393402 | 2011 | 286 | 00:00 | 0 | 99 | ET 10 kHz System using Graz RIGA ET again |
| 78393402 | 2011 | 262 | 00:00 | 1 | 99 | PDM Old (Version red/blue/green front) Pulse Distribution Unit installed: better jitter behaviour then version above; new CAL value |
| 78393402 | 2011 | 259 | 00:00 | 1 | 99 | PDM Old (Version red/blue front) Pulse Distribution Unit reinstalled: 10 kHz Version - problems with NIM pulse; new CAL value |
| 78393402 | 2011 | 257 | 00:00 | 0 | 99 | ET 10 kHz System using the San Fernando RIGA ET |
| 78393402 | 2011 | 255 | 00:00 | 1 | 99 | Start Start Pulse Detector Jan1 installed |
| 78393402 | 2011 | 250 | 00:00 | 0 | 5.02 | Laser Laser + Start pulse detector new adjustment |
| 78393402 | 2011 | 243 | 00:00 | 0 | 99 | PDM Pulse Distribution Module: Trigger Level increased from 40 mV to 80 mV |
| 78393402 | 2011 | 203 | 00:00 | 1 | 99 | TIME HP GPS: Antenna delay was ZERO; new Antenna Delay 153 ns programmed |
| 78393402 | 2011 | 180 | 00:00 | 0 | 99 | RANGE7.21 Histogram plots: Includes nonlinear noise, higher resolution etc. |
| 78393402 | 2011 | 157 | 00:00 | 0 | 99 | Filter Blocking filter replaced: OD6 / 93% Transmission / 535 nm CWL, 43 nm BW |
| 78393402 | 2011 | 105 | 00:00 | 0 | 99 | Filter Blocked 0.3 nm (35%) filter replaced with unblocked 0.3 nm (48%); CAL quote from 21% to 38%;TFilter: 22 ps |
| 78393402 | 2011 | 105 | 00:00 | 1 | 99 | MCU Error in DE_NANO FPGA removed: Daylight filter now removed again during night |
| 78393402 | 2011 | 100 | 00:00 | 0 | 99 | Filter Blocking filter (90%, 10 nm) on top of wavelength filter installed |
| 78393402 | 2011 | 096 | 00:00 | 0 | 99 | MCU DE_NANO FPGA on mount installed; daylight Filter unintentionally not removed during night (but TFilter applied) |
| 78393402 | 2011 | 063 | 00:00 | 0 | 4.01 | Mount New Dichroic / KV Optical installed; Mount Subroutine: Fraction from 0.5 to 0.2 changed; dramatic improvement |
| 78393402 | 2011 | 027 | 00:00 | 1 | 5.02 | Laser New Startpulse Detector Version 08-2010 (PDM Version) |
| 78393402 | 2011 | 026 | 00:00 | 0 | 99 | RANGE 4-Flag-Format |
| 78393402 | 2011 | 019 | 00:00 | 1 | 99 | Laser Laser box placed on new position; 2 telescopes and old stuff removed; new CAL value |
| 78393402 | 2011 | 018 | 00:00 | 0 | 99 | RANGE Write to Win_PC: PC104/COM1; Sun Angle; Send_Transp; |
| 78393402 | 2011 | 012 | 00:00 | 1 | 99 | PDM New Pulse Distribution Unit: 10 kHz Version, with disable / enable bits etc.; new CAL value |
| 78393402 | 2011 | 011 | 00:00 | 0 | 5.02 | Laser New crystal in Regen Amp; new adjustment;less current in Regen URDM; 5 kV Pockels |
| 78393402 | 2010 | 280 | 00:00 | 0 | 5.02 | Laser New adjustment, new Pockels Cell, 5 kV, 400 uJ |
| 78393402 | 2010 | 264 | 06:00 | 0 | 4.01 | FILTER Tubus Temperature Control failure detected; fuse resetted |
| 78393402 | 2010 | 253 | 00:00 | 0 | 5.02 | Laser Laser Adjustment Problems with new Pockels Cell started; |
| 78393402 | 2010 | 245 | 00:00 | 0 | 5.02 | Laser New Pockels Cell installed |
| 78393402 | 2010 | 200 | 00:00 | 0 | 5.02 | Laser Pockels Cell complete readjustment |
| 78393402 | 2010 | 181 | 00:00 | 0 | 4.01 | Mount Elevation: Modules Encoder; Course; Course/Fine replaced with RGO modules |
| 78393402 | 2010 | 181 | 00:00 | 0 | 5.02 | Laser Pockels Cell: Delay + Pulse Width adjusted; less trailing pulses |
| 78393402 | 2010 | 179 | 00:00 | 0 | 99 | ISA FPGA Overlap Check Time: From 60 us increased to 80 us |
| 78393402 | 2010 | 159 | 00:00 | 0 | 99 | WinClean Version 1.3: NP CRD files routinely stored on DGFI ftp side, parallel to old NPs |
| 78393402 | 2010 | 126 | 00:00 | 0 | 99 | WinClean Version 1.3: C:Laset2010NPNP126 ...; first CRD NPs (tests only) started |
| 78393402 | 2010 | 117 | 00:00 | 0 | 99 | CAL CAL opening reduction removed; standard again |
| 78393402 | 2010 | 110 | 00:00 | 0 | 6.01.01 | SPAD SPAD aligned, using CAL target; CAL opening reduced to 1/3 |
| 78393402 | 2010 | 105 | 00:00 | 0 | 99 | FOV FOV Servo with toothed wheel,for ZERO slackness, no backlash etc. |
| 78393402 | 2010 | 036 | 00:00 | 0 | 99 | BLITS Filter OUT for BLITS Night Passes |
| 78393402 | 2010 | 036 | 00:00 | 0 | 99 | RANGE ET1_Ep + TFilter => ET_TI + TFilter |
| 78393402 | 2010 | 035 | 00:00 | 0 | 99 | RANGE Day/Night Switch (RED LED) instead of LCD; Switch 1/2/4/Speed obsolete (or done via program); |
| 78393402 | 2009 | 320 | 00:00 | 0 | 5.02 | LASER Adjusted:No Pre-train, a bit more post-tracks |
| 78393402 | 2009 | 300 | 00:00 | 0 | 5.02 | LASER Oscillator realigned; crazy tracks before (weekend + day 300) |
| 78393402 | 2009 | 295 | 00:00 | 0 | 5.02 | LASER REGEN + Post readjusted; Indium Seal blocked part of beam; old Regen Pump Diodes reinstalled |
| 78393402 | 2009 | 281 | 00:00 | 0 | 99 | FILTER OUT for BLS / Night Passes; did not work !!! |
| 78393402 | 2009 | 274 | 00:00 | 1 | 99 | RG Kabel fuer RG geaendert; RANGE: Del0 von 135 ns auf 160 ns |
| 78393402 | 2009 | 273 | 00:00 | 0 | 99 | RANGE CO-Filter: IDet_Limit fuer HEOs von 100ps auf 300 ps geaendert |
| 78393402 | 2009 | 264 | 00:00 | 0 | 4.01 | FILTER OUT for Night/HEO/AUTO: 15 ps added for missing filter glas |
| 78393402 | 2009 | 246 | 00:00 | 0 | 99 | RANGE Mount_Loop: 30 ms/100 ms Update Rates for HEO/LEO Satellites |
| 78393402 | 2009 | 223 | 00:00 | 0 | 4.01 | ISIT RCA ISIT (US system) defect, JAI ISIT installed (European System); no Seeing values derived |
| 78393402 | 2009 | 195 | 00:00 | 0 | 5.02 | LASER Pockels Cell readjusted; Leading edge of rets back to normal; energy not stable; 1-s CHA intervals ? |
| 78393402 | 2009 | 194 | 00:00 | 0 | 5.02 | LASER REGEN: Pump Diodes replaced; Pockels Cell adjusted; increased jitter @ strong returns |
| 78393402 | 2009 | 188 | 06:00 | 0 | 99 | FPGA Times Before: 165.66-29.95=135.71 ns; After: 145.23-25.33=119.90 ns |
| 78393402 | 2009 | 188 | 00:00 | 0 | 99 | ISA FPGA RGG: Min/Max Delay corrected; before: up to 20 ns drift / 100 ns interpolation (analog chip) |
| 78393402 | 2009 | 183 | 00:00 | 0 | 99 | RANGE Mount_Loop: From 30 ms to 100 ms update intervals changed |
| 78393402 | 2009 | 182 | 00:00 | 0 | 99 | Station Thunderstorm / Flash: Serial Interface to Dome / Dome Frequency Converter damaged |
| 78393402 | 2009 | 105 | 00:00 | 0 | 99 | Station Power failure for some hours |
| 78393402 | 2009 | 061 | 00:00 | 0 | 99 | PC CPU Card defect; exchanged .... |
| 78393402 | 2009 | 043 | 00:00 | 0 | 99 | OCU OCU and MCU operational |
| 78393402 | 2009 | 015 | 00:00 | 1 | 99 | Format Epochs: From F14.8 to F18.12 (10 ns to 1 ps; only 10-100 ps acc); WinClean, Range changed |
| 78393402 | 2009 | 014 | 00:00 | 0 | 99 | Dome Observer Cabin: New Table / PCs disconnected / new connections etc. |
| 78393402 | 2009 | 014 | 00:00 | 0 | 99 | SatDef C:LasetDefSatDef replaces all other sats/sat.cpf etc. files; all progs changed |
| 78393402 | 2008 | 342 | 00:00 | 0 | 99 | Dome Station up; new dome / RS232 control implemented in Range |
| 78393402 | 2008 | 311 | 00:00 | 0 | 99 | Dome Station down; Old Dome Removed; all cables OFF etc |
| 78393402 | 2008 | 198 | 00:00 | 0 | 99 | Transmit Testing New Transmit Telescope (20 cm lens); no data sent |
| 78393402 | 2008 | 197 | 00:00 | 0 | 99 | CPF Predicts now with New PC/XP, also the ftp transfer / Zipped |
| 78393402 | 2008 | 178 | 00:00 | 0 | 99 | KG PC New PC/XP; Softcal etc. LF9045 |
| 78393402 | 2008 | 161 | 00:00 | 0 | 99 | MET PC New PC / XP |
| 78393402 | 2008 | 065 | 00:00 | 1 | 99 | WinClean AJI: LE /20 mm/ 5 mm RMS started |
| 78393402 | 2008 | 063 | 00:00 | 0 | 5.02 | Start Start Pulse Detector adjusted: From 2.5 V to 3.5 V |
| 78393402 | 2008 | 059 | 00:00 | 1 | 5.02 | CAL Start Pulse Detector: BNC/SM/BNC changed to SMA only; 200 ps jump in CAL value |
| 78393402 | 2008 | 047 | 00:00 | 0 | 99 | CLEAN Error Writes to Statistics corrected: Pts/NP; Quote were wrong ... |
| 78393402 | 2008 | 043 | 00:00 | 0 | 6.01.01 | SPAD Realigned; Laser realigned; now much better results |
| 78393402 | 2008 | 036 | 00:00 | 1 | 99 | WinClean LA1/LA2: Leading Edge /20 mm/ started (5mm RMS); AJI: LE /7 mm RMS / started |
| 78393402 | 2008 | 023 | 00:00 | 0 | 99 | CLEAN New WinClean Program operational; mainly doing manual, but also few AutoCleans |
| 78393402 | 2007 | 263 | 00:00 | 0 | 12.03.01 | MET External analog MET sensors transferred into Laser Room |
| 78393402 | 2007 | 262 | 00:00 | 0 | 6.01.01 | ET ET_Sync; maybe power failure; thunderstorm |
| 78393402 | 2007 | 261 | 00:00 | 0 | 99 | GPS HP GPS Antenna: Back to (roughly) previous location; restart |
| 78393402 | 2007 | 235 | 06:00 | 0 | 99 | Mount Power Supply / Sun Shutter etc. failure / worked again ... |
| 78393402 | 2007 | 234 | 00:00 | 0 | 99 | Mount Power Supply Failure; repaired; fuse |
| 78393402 | 2007 | 234 | 00:00 | 0 | 99 | Mount Several Failures due to frequent OFF/ON (observatory) |
| 78393402 | 2007 | 211 | 00:00 | 0 | 10.01 | CLEAN Results: Noise points showed up to now an offset of +1.3 m (SemiTrain Distance ...); corrected |
| 78393402 | 2007 | 205 | 00:00 | 0 | 99 | GPS HP GPS Antenna: New Location: Roof Middle; + 403 cm higher, same cable length, switched OFF/ON |
| 78393402 | 2007 | 177 | 00:00 | 0 | 99 | LAS PC All relevant Programs with COM_Select (NN): TWO Writes to CAS-81 instead of ONE; works again |
| 78393402 | 2007 | 170 | 00:00 | 0 | 99 | LAS PC CF Card replaced by standard disk again |
| 78393402 | 2007 | 169 | 00:00 | 0 | 99 | LAS PC CF Card 2 GB used instead of Hard Disk; all systems on CF card |
| 78393402 | 2006 | 258 | 00:00 | 0 | 99 | Mount Cabl RG58/SMA Stop1 from SPAD to Base Plate installed |
| 78393402 | 2006 | 250 | 00:00 | 1 | 99 | Mount Cabl New RG58/BNC cable from SPAD to Contraves base plate (flexible core) instead of RG223 (rigid core) |
| 78393402 | 2006 | 249 | 00:00 | 0 | 99 | Mount Cabl jumps; tests with fiber; due to cable/AZ/crosstalk? cable ties changed; better, but not solved |
| 78393402 | 2006 | 241 | 09:00 | 0 | 99 | Mount Cabl 9:00 Same jumps again(60 ps): Contact spray on Az Base SMA Connectors, Stop4; |
| 78393402 | 2006 | 241 | 00:00 | 0 | 99 | Int PCB Temp Control reconnected; +- few ps again |
| 78393402 | 2006 | 240 | 12:10 | 0 | 99 | Mount Cabl 12:10 SMA Cable for Stop Pulse: Changed from Stop1 to Stop3 SMA Cable |
| 78393402 | 2006 | 237 | 16:00 | 0 | 99 | Mount Cabl 16:00 4 SMA cables RG223 at yoke from outside touched, big cal variations; after that okay ... |
| 78393402 | 2006 | 236 | 14:30 | 0 | 6.01.01 | C-SPAD 14:30 => Internal PCB Temp Control (Heating) disconnected. T decreases => Cal decreases |
| 78393402 | 2006 | 233 | 13:00 | 0 | 6.01.01 | C-SPAD From 233 - 234 / 13:00 UTC: CAL var +-40 ps, Temp Sensor SPAD Housing "obigfoin" |
| 78393402 | 2006 | 212 | 00:00 | 1 | 5.02 | kHz Laser Start Pulse aligned; 3 days before bigger variations; temp sensor was not on C-SPAD anymore |
| 78393402 | 2006 | 191 | 00:00 | 0 | 99 | CPF Pred CPF predictions; fully automatic preds since day 198 |
| 78393402 | 2006 | 053 | 00:00 | 0 | 5.02 | kHz Laser Laser readjusted, REGEN Pump increased by 0.2 A; Osc. decreased by 100 mA |
| 78393402 | 2006 | 045 | 00:00 | 0 | 99 | kHz Laser Start Puls Detector Position readjusted; from +2V to +3V pulses |
| 78393402 | 2006 | 016 | 00:00 | 0 | 99 | LAS PC Switch to Industry PC/3.2 GHz, with IEC-Bus/LPM16/DIO96 Cards; No ISA/Altera |
| 78393402 | 2005 | 314 | 00:00 | 0 | 99 | MET PC HD Failure during rearrangements; on evening everything restarted again |
| 78393402 | 2005 | 312 | 00:00 | 0 | 5.02 | kHz Laser Oscillator Adjust.; complete adjust; 1050 to 900 mA Osc; 375 Units |
| 78393402 | 2005 | 311 | 00:00 | 0 | 99 | Laser Room 2 Racks removed; all devices in Rack#3;(Rack4: Mount); IEC-Bus: Needs 5328 |
| 78393402 | 2005 | 297 | 00:00 | 0 | 5.02 | kHz Laser Osci Dioden same; nachjust no change; Start Pulse: from 2.7 => 3.0 V |
| 78393402 | 2005 | 290 | 06:00 | 0 | 5.02 | kHz Laser Oscillator Pump Diodes: +50 mA; RMS slightly degraded then |
| 78393402 | 2004 | 212 | 00:00 | 0 | 99 | CALK After Laser Readj.(208): 5 Round trips instead of 6-7, RG was slightly too late; corrected now |
| 78393402 | 2004 | 210 | 00:00 | 1 | 12.01.01 | MET3A Recalibrated; installed again; Before: 0.290 hPa diff; now: 0.188 hPa diff |
| 78393402 | 2004 | 208 | 00:00 | 0 | 5.02 | kHz Laser Schmidt: Complete new alignment; new crystal postamp; C-SPAD aligned; RMS CAL from 14 now 20 ps |
| 78393402 | 2004 | 189 | 00:00 | 0 | 12.01.02 | MET3A Removed for Recalibration; No MET-PC Records; Using Paroscientific + external sensors |
| 78393402 | 2004 | 093 | 00:00 | 0 | 6.01.01 | SPAD PS New Spad Power Supply installed; PS3-10; uncompensated Out now via RG224 Stop #2 |
| 78393402 | 2004 | 058 | 00:00 | 0 | 6.01.01 | TWC TWC new adjustment; from 110 ps to <10 ps; Power Supply Poti Problem |
| 78393402 | 2004 | 028 | 00:00 | 0 | 5.02 | kHz Laser Mr. Frei (HQ) fixed the crystal of the RegenAMP and the 2.AMP; |
| 78393402 | 2004 | 028 | 00:00 | 0 | 5.02 | New Alignment (RM1, RM2 etc.; Start Pulse Sensor); from 840 AU up to 940 AU; |
| 78393402 | 2004 | 021 | 00:00 | 0 | 5.02 | kHz Laser New Alignment (RM1, RM2 etc.); from 810 AU up to 910 AU; |
| 78393402 | 2004 | 021 | 00:00 | 0 | 5.02 | kHz Laser SESAM: from 1000mA to 700mA no change in energy, timewalk and cal-time |
| 78393402 | 2004 | 021 | 00:00 | 1 | 5.02 | kHz Laser Spad Unit 0406 / Test Ch. Timewalk new adjusted PS: -6V to -6,450V |
| 78393402 | 2004 | 016 | 00:00 | 0 | 5.02 | kHz Laser SESAM: from 700mA to back 1000mA ?SESAM, pulse length / time walk?? |
| 78393402 | 2004 | 015 | 00:00 | 0 | 5.02 | kHz Laser pulse distribution box reinstalled; Triggervalues: Start=400mV, Stop=150mV |
| 78393402 | 2004 | 013 | 00:00 | 0 | 5.02 | kHz Laser max energy on start pulse detector (lower timewalk for energy changes, warmup) |
| 78393402 | 2004 | 013 | 00:00 | 0 | 5.02 | kHz Laser pulse distribution box removed (defect) |
| 78393402 | 2004 | 013 | 00:00 | 0 | 5.02 | kHz Laser SESAM: from 1000mA to 700mA no change in energy and cal-time |
| 78393402 | 2004 | 007 | 00:00 | 0 | 12.03.02 | kHz Laser New Alignment (RM1, RM2 etc.); from 760 AU up to 890 AU; |
| 78393402 | 2003 | 345 | 00:00 | 0 | 9.02.01 | GPS HP GPS PS fan 5V Supply only (Oven could not stabilize) |
| 78393402 | 2003 | 331 | 00:00 | 0 | 6.01.01 | TWC SPAD Time Walk Compensation: Adjusted for 10 ps kHz Laser |
| 78393402 | 2003 | 331 | 00:00 | 0 | 9.02.01 | GPS HP GPS new power supply installed (incl. 12V fan) |
| 78393402 | 2003 | 324 | 00:00 | 0 | 5.02 | kHz Laser New Alignment (RM1, RM2 etc.); from 0.25 mJ up to 0.40 mJ again; |
| 78393402 | 2003 | 195 | 00:00 | 0 | 99 | RGG RGG2, with FIFOs (512); Range 5.40; runs up to 1 kHz (NO Plot_Resids, but WITH MOUNT etc.) |
| 78393402 | 2003 | 170 | 00:00 | 0 | 99 | Computer SPECTRA 2.4 GHz ISA Pentium-4 Board; Running Range 5.31; Free running, MJS RGG |
| 78393402 | 2003 | 015 | 06:00 | 0 | 12.01.01 | PARO ParoScientific Digiquartz: New Calibration, running parallel, visual comparison |
| 78393402 | 2002 | 344 | 00:00 | 0 | 12.01.01 | MET3A RANGE/CAL/MET: Using MET3A ONLY + PC_Met; ParoScientific DigiQuartz => Calibration |
| 78393402 | 2002 | 331 | 00:00 | 0 | 99 | RANGE RANGE 5.31: Free running, MJS-RGG; 2xSR620 read/Store; CAL: 10-Hz-Version |
| 78393402 | 2002 | 330 | 00:00 | 0 | 6.01.01 | C-SPAD TWC new adjustment; -98 ps @ 1000 Photons before(!!!); now +3 ps; see SPAD Unit 406 |
| 78393402 | 2002 | 330 | 00:00 | 0 | 99 | DOME New floor at Dome; all cables dis-/re-connected |
| 78393402 | 2002 | 322 | 00:00 | 0 | 99 | RANGX AutoSwitch for CAL (DG535/OLD); Laser Control Bit at F3 instead of Energy Control |
| 78393402 | 2002 | 316 | 00:00 | 0 | 99 | RANGX All Passes now with Free Running Range/RGG/10Hz ALL (5.30); CAL with DG535/OLD |
| 78393402 | 2002 | 255 | 00:00 | 0 | 99 | PENTIUM Pentium 200 MHz replaces PC486/66MHz |
| 78393402 | 2002 | 183 | 00:00 | 0 | 99 | CABLES 4 new cables RG223 (SMA1-SMA4, for STOP1-STOP4); new CAL Constant |
| 78393402 | 2002 | 182 | 00:00 | 0 | 99 | CABLES Test Channel / Stop 1: New Cable |
| 78393402 | 2002 | 170 | 00:00 | 0 | 99 | RANGE SPAD Gate Safety: From 120 nm to 51 ns (as previously) |
| 78393402 | 2002 | 163 | 00:00 | 0 | 6.01.01 | Filter New Filter (Andover 2002, 0.3 nm, 30%) installed |
| 78393402 | 2002 | 162 | 00:00 | 0 | 12.02.01 | MET ParoScientific #1; Home made temp/Hum sensors |
| 78393402 | 2002 | 162 | 00:00 | 0 | 5.01 | Laser Nd:YAG, 532 nm, 35 ps, SemiTrain, 30 mJ |
| 78393402 | 2002 | 162 | 00:00 | 0 | 6.01.01 | Counter ET; Clock Module, 1 Start, 1 Stop Module; |
| 78393402 | 2002 | 162 | 00:00 | 0 | 9.01.01 | Timing 1Hz / 10 MHz via HP GPS |
| 78393402 | 2002 | 162 | 00:00 | 0 | 99 | Computer PC-486, 1xHPIB, Analog/Dig I/O; |
| 78393402 | 2002 | 162 | 00:00 | 0 | 99 | Range Gate Via HP5359 + DG535 |
| 78393402 | 2002 | 162 | 00:00 | 0 | 99 | Software V 5.3, Tandems, OMO/GEO Mount system, Lagrange |
| 78393402 | 2002 | 162 | 00:00 | 1 | 6.01.01 | Detector C-SPAD, 200 um, cooled to -60 degrees |
| 78393402 | 2002 | 137 | 00:00 | 0 | 6.01.01 | ET Module 3 disconnected |
| 78393402 | 2001 | 094 | 00:00 | 0 | 5.01 | LASER Oscillator + Amplifiers + Power GROUNDED |
| 78393402 | 2001 | 031 | 00:00 | 0 | 6.01.01 | ET From CH1 to Ch6 |
| 78393402 | 2001 | 030 | 00:00 | 0 | 9.01.01 | HP5370A Fan broken; changed from 110 V AC to 220 V AC |
| 78393402 | 2001 | 029 | 06:00 | 0 | 9.02.01 | GPS New Power Supply installed for HP GPS |
| 78393402 | 2001 | 025 | 00:00 | 0 | 6.01.01 | ET Back to Ch1; new PCB ECL to TTL |
| 78393402 | 2001 | 019 | 00:00 | 0 | 6.01.01 | ET ET: From Ch1 to Ch3 |
| 78393402 | 2001 | 005 | 00:00 | 0 | 9.02.01 | GPS HP GPS Power Failure; external Supply |
| 78393402 | 2001 | 005 | 00:00 | 0 | 99 | POWER Electrical Power failure; 3 h no power; ET synced |
| 78393402 | 2001 | 001 | 00:00 | 0 | 6.01.01 | ET New Synced |
| 78393402 | 2000 | 214 | 00:00 | 0 | 6.01.01 | ET ET ONLY; no counters; HP remains for Checks, sync; |
| 78393402 | 2000 | 018 | 00:00 | 0 | 99 | COUNTER Jitter in Counter Diffs; Change of 10 MHz Distr.; (KF SLR Timing) |
| 78393402 | 2000 | 010 | 00:00 | 1 | 9.01.01 | TIME UTC(TUG) disconnected by D. Kirchner; HP GPS now used |
| 78393402 | 1999 | 328 | 00:00 | 0 | 5.01 | START New PCB Start Pulse Detekt. + PrePulseDetekt. |
| 78393402 | 1999 | 307 | 00:00 | 0 | 5.01 | START New Position; new Cabeling of Start Pulse Detektor SFH229 |
| 78393402 | 1999 | 293 | 00:00 | 0 | 6.01.01 | SPAD Heating Unit MOunt Detection Package |
| 78393402 | 1999 | 291 | 00:00 | 0 | 99 | CABLES New Cabeling f New Comparator Unit |
| 78393402 | 1999 | 288 | 00:00 | 0 | 99 | COMPAR New Comparator Unit; Delay DG535=100 ns; |
| 78393402 | 1999 | 278 | 00:00 | 0 | 99 | COUNTER COMP1/COMP2 disconnected from computer/OUT/IN/RECON. |
| 78393402 | 1999 | 270 | 00:00 | 0 | 5.01 | START New Start Pulse Detector SFH229 |
| 78393402 | 1999 | 253 | 00:00 | 0 | 99 | Air Cond Sensor moved to Air Exit |
| 78393402 | 1999 | 062 | 00:00 | 0 | 5.01 | DYE Complete new Dye |
| 78393402 | 1999 | 061 | 00:00 | 0 | 5.01 | DYE CELL Flowing Dye Cell; Semitrain Distance 5752 ps |
| 78393402 | 1999 | 054 | 00:00 | 0 | 5.01 | SEMITRAIN Distance now: 8757 ps (before: 8759 ps) |
| 78393402 | 1998 | 349 | 00:00 | 0 | 99 | COUNTER CAL/RANGE: HP5370 as reference again |
| 78393402 | 1997 | 364 | 00:00 | 0 | 99 | PREPY RG: from 1 to 6 us suggested start value |
| 78393402 | 1997 | 343 | 00:00 | 0 | 99 | Air Cond RH_Int: From 2% to 22% (Poti ZERO) |
| 78393402 | 1997 | 343 | 00:00 | 0 | 99 | CABLES OUT1-Test: BNC4 ==> BNC8 |
| 78393402 | 1997 | 168 | 00:00 | 0 | 6.01.01 | SPAD TWC new adjustment |
| 78393402 | 1997 | 132 | 00:00 | 0 | 6.01.01 | SPAD 29.5 ==> 29.8 V |
| 78393402 | 1997 | 126 | 06:00 | 0 | 99 | COUNTER SR620#3 added again |
| 78393402 | 1997 | 114 | 00:00 | 0 | 99 | COUNTER SR620#3 removed; repair 50 Ohm Stop |
| 78393402 | 1997 | 112 | 00:00 | 0 | 99 | FORMAT CLEAN: Format 1 implemented |
| 78393402 | 1997 | 073 | 00:00 | 0 | 99 | PC PentiumPro 200 MHz at Office, for Cleans etc. |
| 78393402 | 1997 | 059 | 00:00 | 0 | 99 | FORMAT Range/Clean: Format 1: Color/NTrack/Epoch/4xCounter |
| 78393402 | 1997 | 057 | 00:00 | 0 | 9.01.01 | TIME Sync Divider: Changes in 1 kHz Epoch Timing |
| 78393402 | 1997 | 042 | 00:00 | 0 | 6.01.01 | SPAD Daylight filter added |
| 78393402 | 1997 | 041 | 00:00 | 0 | 6.01.01 | SPAD dismounted, dried, mounted, adjusted; no daylight filter |
| 78393402 | 1997 | 034 | 00:00 | 0 | 99 | CAL/RANGE HP/SR620A results exchanged; SR620A now used as reference |
| 78393402 | 1997 | 030 | 00:00 | 0 | 99 | TIME Back to UTC(TUG) again ... |
| 78393402 | 1997 | 023 | 00:00 | 0 | 99 | TIME HP GPS DEMO used |
| 78393402 | 1996 | 355 | 00:00 | 0 | 6.01.01 | SPAD STOP SPAD STOP Somp Box Trigger: 250 ==> 100 mV (25 ==> 20 ps) |
| 78393402 | 1996 | 334 | 00:00 | 0 | 6.01.01 | Trigger Pre-Trigger-Unit adjusted, CAL now okay again |
| 78393402 | 1996 | 296 | 00:00 | 0 | 99 | Counters SR620C removed |
| 78393402 | 1996 | 271 | 00:00 | 0 | 10.01 | NP Min 5 Pts/NP minimum, otherwise NP not delivered |
| 78393402 | 1996 | 271 | 00:00 | 0 | 6.01.01 | TWC New, excellent adjustment |
| 78393402 | 1996 | 269 | 00:00 | 1 | 99 | Counters No longer f-daisy-chaining of counters; separate 10-MHz Supplied |
| 78393402 | 1996 | 260 | 00:00 | 0 | 6.01.01 | TWC Jitter after 6 days interruption |
| 78393402 | 1996 | 254 | 00:00 | 1 | 6.01 | SR620C Added; all 4 counters in use; |
| 78393402 | 1996 | 253 | 00:00 | 0 | 99 | PC IEC Bus cables changed to PC-Cables |
| 78393402 | 1996 | 215 | 00:00 | 0 | 6.01 | SPAD HP3631 Power Supply for SPAD; Remot Control via SPAD ON |
| 78393402 | 1996 | 198 | 00:00 | 0 | 6.01.01 | Trigger New Trigger Devices / MultiOutputs for Start/Stop |
| 78393402 | 1996 | 170 | 00:00 | 0 | 99 | Air Cond Air Temperature Control for hp only; SR620A/B: orig. fan setting |
| 78393402 | 1996 | 144 | 00:00 | 0 | 12.01.02 | ParoScientific Sensor: +21 cm higher; software corrected |
| 78393402 | 1996 | 143 | 00:00 | 0 | 99 | Temp Controlled Air for 3 Counters Cooling |
| 78393402 | 1996 | 133 | 00:00 | 0 | 99 | New Cabling of Mount/SPAD/Controls |
| 78393402 | 1996 | 107 | 06:00 | 0 | 8.01 | Target03 used, beginning 06:00 UTC |
| 78393402 | 1996 | 060 | 00:00 | 0 | 4.01 | Daylight filter installed again in Standard Channel |
| 78393402 | 1996 | 059 | 00:00 | 0 | 6.01.01 | SPAD adjusted again |
| 78393402 | 1996 | 058 | 00:00 | 0 | 6.01.01 | SPAD+TWC: From Test into Standard Channel |
| 78393402 | 1996 | 054 | 00:00 | 0 | 8.01 | Softcal, using Calfile |
| 78393402 | 1996 | 046 | 00:00 | 0 | 8.01 | CAL: Actual Met Vals used; CalFile Option available |
| 78393402 | 1996 | 030 | 00:00 | 1 | 6.01.01 | Clean routinely with 3 Counters |
| 78393402 | 1996 | 025 | 00:00 | 1 | 6.01.01 | CAL/RANGE: 3 Counters used, Results stored; not yet in CLEAN |
| 78393402 | 1995 | 269 | 00:00 | 0 | 99 | Sat_Char*3: New Pass Names |
| 78393402 | 1995 | 265 | 00:00 | 1 | 12.01.01 | ParoScientific Pressure Sensor installed |
| 78393402 | 1995 | 261 | 00:00 | 0 | 6.01.01 | SPAD VOltage set via PC Program |
| 78393402 | 1995 | 238 | 00:00 | 0 | 99 | USNO correction now also applied in PC |
| 78393402 | 1995 | 234 | 00:00 | 0 | 99 | First pass with PC |
| 78393402 | 1995 | 016 | 00:00 | 0 | 6.01.01 | HP5370A: 0.25/0.21 V Trigger Threshold (Before: 0.25/0.17V) |
Latest Data
Tracking Statistics
Logs