HOLLAS
SLR System Configuration Definition
SYSTEM CONFIGURATION DEFINITION
===============================
Station: LURE Observatory
PAD: 7210
Address: 24 Lower Kula Rd.
Kula, Hawaii 96790
or
P.O. Box 209
Kula, HI 96790, USA
CONTACT: Mr. Daniel O'Gara/ Mr. Micahel T. Maberry
Phone: 808-878-1215
FAX: 808-878-2862
E-mail: site@lure.ifa.hawaii.edu
Dan O'Gara (ogara@ifa.hawaii.edu)
Mike Maberry (maberry@ifa.hawaii.edu)^M
Ron Zane (zane@koa.ifa.hawaii.edu)
=======================================
SECTION 1.0 - SYSTEM RANGING CAPABILITY
=======================================
SECTION 1.1 SYSTEM RANGING FEATURES
===================================
FEATURES /CURRENT RANGING / RANGING / DATE / FUTURE /
/CAPABILITY / PHOTOELECTRON / / RANGING /
/ CAPABILITY/
===============================================================================
Calibration:
Internal / No / / / /
External / Yes / 1-100 / 9/1/92 / /
* Internal Calibration: Refers to the capability for ranging to a
target within the system.
* External Calibration: Refers to the capability for ranging to
terrestrial targets.
SECTION 1.2 ADVANCED SYSTEM RANGING FEATURES
============================================
TARGET /CURRENT RANGING / RANGING / DATE / FUTURE /
/CAPABILITY / PHOTOELECTRON / / RANGING /
/ CAPABILITY/
===============================================================================
Two-Color Capability/ No / / / /
Manual Track / / / / /
Tracking:
Semi-Automated / Yes / 1-100 / 9/1/92 / /
Fully Automated / / / / /
Section 1.3 System Ranging Targets
===================================
TARGET /CURRENT RANGING / RANGING / DATE / FUTURE /
/CAPABILITY / PHOTOELECTON / / RANGING /
/ CAPABILITY/
==============================================================================
STARLETTE / Yes / 1-100 / 9/1/92 /
STELLA / Yes / 1-100 / 9/1/92 /
ERS-1 / Yes / 1-100 / 9/1/92 /
AJISAI / Yes / 1-100 / 9/1/92 /
TOPEX / Yes / 1-100 / 9/1/92 /
LAGEOS 1 / Yes / 1-100 / 9/1/92 /
LAGEOS 2 / Yes / 1-100 / 9/1/92 /
ETALON 1 / Yes / 1-100 / 9/1/92 /
ETALON 2 / Yes / 1-100 / 9/1/92 /
GLONASS 3 / Yes / 1-100 / 9/1/92 /
GPS-3,5 / Yes / 1-100 / 9/1/92 /
Geosynchronous / Yes / 1-100 / 9/1/92 /
Satellite / Yes / 1-100 / 9/1/92 /
Moon / No / / /
SECTION 2.0 - HARDWARE CONFIGURATION / CAPABILITY
=================================================
SECTION 2.1 LASER CONFIGURATION CATEGORY
========================================
An example of the response requested in this section is as follows:
LASER / SPECIFICATIONS / DATE / FUTURE /APPROX./
/ / / CHANGES / DATE /
===============================================================================
Energy / 100mJ / 4-29-94 / N/A / N/A /
Energy / 100mJ / " / 50mJ /6-15-96/
Case 1 describes a system with 100mJ capability with no current plans to
upgrade.
Case 2 describes a system with 100mJ capability with plans to upgrade the
system to include 50mJ capbility.
LASER / SPECIFICATIONS / DATE / FUTURE / APPROX./
/ / / CHANGES / DATE /
================================================================================
Type of Laser Medium /Solid State YAG / / / /
Energy / Pulse (mJ) / 100 mJ/ / / /
Pulsewidth (ps) / 150-200 ps/ / / /
Beam Size / 103.0 mm/ / / /
Beam Divergence(Half Angle)/ min 7.0, max. 85.0 microrad/ / /
Beam Divergence Control / Yes / / / /
Amplitude Stability / 7.0 %/ / / /
Timing Stability / ns/ / / /
Transverse Mode Structure / cm/ / / /
Ranging Wavelength(s) / 532 nm/ / / /
Repetition Rate /1-10 (5optimum) Hz/ / / /
Other / / / / /
SECTION 2.2 MOUNT CONFIGURATION CATAGORY
========================================
SECTION 2.2.1
=============
TELESCOPE/ MOUNT / SPECIFICATIONS / DATE / FUTURE / APPROX./
/ / / CHANGES / DATE /
================================================================================
Telescope Type / Refractor / 1/1/75 / / /
Biaxial Telescope / / / / /
Monoaxial Telescope / / / / /
Mount Type /2axis mirror mount/ 1/1/75 / / /
Field of View / ~400 arcsec / 1/1/75 / / /
Focal Length / 3900mm / 1/1/75 / / /
Magnification / x10 / 1/1/75 / / /
Pointing Accuracy / 2(+/-0.5)arcsec / 1/1/90 / / /
After STARCAL
Satellite:
Common T/R Optical Path / Yes / 1/1/75 / / /
Separate T/R Optical Path / / / / /
Calibration:
Common T/R Optical Path / Yes / 1/1/75 / / /
Separate T/R Optical Path / / / / /
Orthogonality of Axes / 3.1 arcseconds / 1/1/75 / / /
Wobble on Each Axis:
Elevation / 1.7 arcseconds / 1/1/75 / / /
Azimuth / 0.8 " / 1/1/75 / / /
Elevation
- Range / +/-180 deg / / / /
- Encoder Resolution / 0.36 arcsec / / / /
- Position Jitter / 0.10 arcsec / / / /
- Maximum EL Velocity / 4.1 degrees per sec least path
- Maximum EL Acceleration/ / / / /
Azimuth / / / / /
- Range / +/-168 deg / / / /
- Encoder Resolution / 0.36 arcsec / / / /
- Position Jitter / 0.10 arcsec / / / /
- Maximum Az Velocity / 4.1 degrees per sec least path
- Maximum Az Acceleration/ / / / /
LURE uses a COELOSTAT system as both a send and receive telescope. The system
consists primarilay of a fixed (north pointing) 16" (0.40m) refracting
telescope (Air-spaced achromat) and a 26" (0.66m) flat pointing mirror.
The flat mirror is mounted on a two axis mount (azalt).
PRIMARY MIRROR / / / / /
Type / / / / /
Clear Aperture (CA) / / / / /
Focal Length / / / / /
Optical Coating / / / / /
SECONDARY MIRROR / / / / /
Type / / / / /
Clear Aperture (CA) / / / / /
Focal Length / / / / /
Optical Coating / / / / /
TERTIARY MIRROR / / / / /
Type / / / / /
Clear Aperture / / / / /
COUDE MIRRORS / / / / /
Type / / / / /
Clear Aperture / / / / /
Optical Coating / / / / /
SECTION 2.3 OPTICAL CONFIGURATION CATAGORY
==========================================
TRANSMIT/ RECEIVE OPTICS / SPECIFICATIONS / DATE / FUTURE / APPROX./
/ / / CHANGES / DATE /
================================================================================
T/R Coupling Scheme:
- Type / Holey Mirror / Aug 1990 / / /
- Coupling Efficiency / / / / /
Spatial Filter: / / / / /
- Field of View / / / / /
Band-Pass Filter: /
- Type /Colored Glass / / / /
- Bandwidth /10 nanometer / Feb 1992 /1 nanometer/Jun 1994/
- Blocking Bandwidth /200-900 nanometers/ /200-900nm / /
-Transmission Efficiency /0.50 / /0.69 / /
Receive Signal Amplitude
Control Mechanism / Dual Variable ND / Mar 1994 / / /
0-2ND + 0-4ND
SECTION 2.4 TRANSMIT/ RECEIVE (T/R) ELECTRONICS CONFIGURATION SECTION
=====================================================================
T/R ELECTRONICS / SPECIFICATIONS / DATE / FUTURE / APPROX./
/ / / CHANGES / DATE /
================================================================================
Transmit Detector: Photo-Detector (Opto-Electronics #PD-10-01
- Quantum Efficiency / / / / /
- Gain / / / / /
- Bandwidth / / / / /
- Jitter (single pe) / / / / /
- Impulse Response
- Pulse Width / / / / /
- Rise Time / / / / /
- Dynamic Range / / / / /
Receive Detector(s) / / / / /
- Quantum Efficiency /0.15 @ 532n / Jun 1992 / / /
- Gain /5x10^6 @ 3400V / / / /
- Bandwidth / / / / /
- Jitter (single pe) /0.30 est. / / / /
- Impulse Response
- Pulse Width / 1.5ns FWHM
- Rise Time / ~1ns
- Dynamic Range / 40 to 1 / / / /
Amplifier / / / / /
- Type: / / / / /
- Bandwidth: / / / / /
- Jitter: / / / / /
- Dynamic Range / / / / /
TARGET IMAGING Capability / / / / /
- Type of camera /CCD / Jan 1988 / / /
- Gain /6dB / / / /
- Sensitivity /0.07 lux / / / /
Signal Processing Technique/ / / / /
- Type of Device / EG&G 454 CFD / / / /
- CFD:
- Length of External
Delay Cable / 44 nanoseconds
- Bandwidth / / / / /
- Dynamic Range(pe) / / / / /
- Jitter / / / / /
EVENT TIMER or TIME OF FLIGHT MEASUREMENT? Time of Flight via HP5370A
- Clock Frequency /5MHz / Present / / /
- Number of Channels /one / " / / /
- Number of Verniers / / / / /
- Minimum Dead Time / / / / /
- Time Resolution /20picoseconds / " / / /
- Aggregate Jitter / / / / /
Amplitude Measurement / / / / /
- Type of Device /LeCroy 277 Integ./ " / / /
- Bandwidth / / / / /
- Accuracy / / / / /
- Part of Data Stream? /Yes / / / /
System Delay Calibration / / / / /
Internal Calibration Capability - NO
Location of Target(s) / / / / /
Range of Target(s) / / / / /
External Calibration Capability
Location of Target(s) /116.7AZ, -8.7EL / May 1991 / / /
Range(s) of Target(s) /39.1meters one way/ / / /
SECTION 2.6 TIMING CONFIGURATION SECTION
========================================
TIMING / SPECIFICATIONS / DATE / FUTURE / APPROX./
/ / / CHANGES / DATE /
================================================================================
Frequency Standard(s) used/ Cesium - HP5061A / Present / / /
Frequencies / 5MHz / / / /
Short-Term Stability / / / / /
Long-Term Stability / / / / /
Epoch Time Measurement: / / / / /
- Type of Device / / / / /
- Resolution / / / / /
- Timing Closure / / / / /
SECTION 2.7 METEOROLOGICAL SENSORS CONFIGURATION CATAGORY
=========================================================
METEOROLOGICAL SENSORS / SPECIFICATIONS / DATE / FUTURE / APPROX./
/ / / CHANGES / DATE /
================================================================================
Thermometer / / / / /
Type /Heath Weather Station/ / / /
Accuracy (calibrated) / / / / /
Resolution /0.1C / / / /
Range / / / / /
Barometric Pressure System/SETRA System / / / /
Type / Digital / / / /
Accuracy (calibrated) / 0.1mb / / / /
Range / / / / /
Relative Humidity System / / / / /
Type /Hygrometer wet/dry/ / / /
System Accuracy / / / / /
Resolution / / / / /
System Range / / / / /
Wind Measurement System /Heath Weather Station/ / / /
Type: / / / / /
Sensor /Anenometer / / / /
Range /0-120mph / / / /
Accuracy / / / / /
Resolution / / / / /
Threshold / / / / /
SECTION 4.0 SURVEY MEASUREMENT CONFIGURATION / CAPABILITY
=========================================================
SECTION 4.1 SURVEY MEASUREMENTS
===============================
Specific information for Section 4 is available from The CDSLR
Survey Section of ATSC. Last survey: September 27, 1993.
SURVEYING INSTRUMENT / ACCURACY / PRECISION
============================================================================
N/A / /
" / /
" / /
SECTION 4.2 SURVEY ANALYSIS
===========================
SURVEY ANALYSIS TECHNIQUE
================================================================================
* (PLEASE GIVE DESCRIPTION OF THE TECHNIQUE USED)
*
* HAVAGO Analysis, combined with previous surveys of 1975,81,82,86,90.
SECTION 4.3 SURVEY CALIBRATION TARGET
=====================================
TARGET 1
TYPE Corner Cube Aug 1994
RANGE ACCURACY +/- .0009 meters Aug 1994
AZ 116.7168 degrees Aug 1994
EL -8.7319 degrees Aug 1994
RANGE PRECISION +/- .0018 meters Aug 1994
RANGE 39.1295 meters Aug 1994
SHORT TERM STABILITY 1 to 2 mm Aug 1994
LONG TERM STABILITY 1 to 2 mm Aug 1994
TARGET 2
TYPE Corner Cube Aug 1994
RANGE ACCURACY +/- .0006 meters Aug 1994
AZ 204.5357 degrees Aug 1994
EL -8.5569 degrees Aug 1994
RANGE PRECISION +/- .0012 meters Aug 1994
RANGE 31.2703 meters Aug 1994
SHORT TERM STABILITY 1 to 2 mm Aug 1994
LONG TERM STABILITY 1 to 2 mm Aug 1994
SECTION 4.4 ECCENTRICITY DETERMINATION
======================================
/ NORTH / EAST / UP
===============================================================================
Mean Value / 0.753 meters / 0.000 meters / 0.849 meters
Accuracy / +/- 1mm / +/- 1mm / +/- 1mm
Precision / " / " / "
Short Term Stability / 1mm / 1mm / 1mm
Long Term Stability / 1mm / 1mm / 1mm
SECTION 5.0 CALIBRATION TECHNIQUE / CAPABILITY
==============================================
SECTION 5.1 CALIBRATION DEVICES AND FREQUENCY
=============================================
===============================================================================
DEVICE/ FEATURE FREQUENCY
===============================================================================
Event Timer Minimum once per day Aug 94
Time of Flight Devices If data deviates from set nominal values Aug 94
Discriminator If data deviates from set nominal values Aug 94
Pressure Sensor Once per year Aug 94
Temperature Sensor Once per year Aug 94
Timing System If data deviates from set nominal values Aug 94
System Delay Once every two hours. Aug 94
SECTION 6.0 SYSTEM TIMING CLOSURE CONFIGURATION
===============================================
SECTION 6.1 TIMING CLOSURE
===========================
Reference Time: Cesium Beam Aug 94
Accuracy of Timing: 1 part in 10^12 Aug 94
Modeling of Time Drift: daily Aug 94
SECTION 7.0 SYSTEM DATA ANALYSIS CONFIGURATION / CAPABILITY
===========================================================
SECTION 7.1 DATA ANALYSIS
=========================
DATA CORRECTIONS ( YES : NO ) / ADDITIONAL INFORMATION
=============================================================================
7.1.1 Transmit Signal Amplitudes: No Aug 94
7.1.2 Receive Signal Amplitudes: Yes Aug 94
7.1.3 Timing Yes Aug 94
7.1.4 Instrument Non-Linearities No Aug 94
7.1.5 Geometric Corrections No Aug 94
7.1.6 Atmosphere Yes Aug 94
SECTION 7.2 System Delay Computation:
======================================
SYSTEM DELAY COMPUTATION FREQUENCY / ( YES : NO ) /ADDITIONAL INFORMATION
===============================================================================
7.2.1 Shot by Shot: No Aug 94
7.2.2 Burst or Short Time Aggregate: No Aug 94
7.2.3 Aggregate: Yes
(average of pre/post calibrations) Aug 94
SECTION 7.3 DATA ANALYSIS TECHNIQUES / CAPABILITIES
===================================================
NOTE: Detailed data analysis of full rate data provided by NASA contractor ATSC.
7.3.1 Normal Point Computation:
On site analysis (NASA HP Analysis System)
7.3.2 Fitting Routine (Algorithms): N/A
7.3.3 Noise Filtering and Editing Procedures: N/A
7.3.4 Data Quality Control Procedures:
Daily evaluation of HP Analysis summaries
and on site evaluation of calibration runs using
UofHawaii developed software.
7.3.5 System Computational Capability:
HP produces system delay and data RMS.
SECTION 8.0 SYSTEM ATMOSPHERIC TECHNIQUES
==========================================
SECTION 8.1 ATMOSPHERIC MODEL
=============================
8.1 Atmospheric Model Used: Network standard Marini and Murray Model.
SECTION 9.0 SYSTEM PERFORMANCE CHARACTERISTICS
================================================
SECTION 9.1 RANGING SYSTEM ERRORS
=================================
RANGING SYSTEM ERRORS / ACCURACY / 1 SIGMA / PEAK - PEAK / DATE /
================================================================================
Temporal Stability 3mm / 5mm / 18mm / Aug 94
Wavefront Distortion N/A / N/A / N/A /
Signal Strength Dependence 3mm / 5mm / 60mm / Aug 94
Calibration Path
Mount Eccentricities .001meters / N/A / N/A / Aug 94
Meteorological Measurement
Temperature 1degree / 2degrees / 2degree / Aug 94
Pressure .01mb / .02mb / .02mb / Aug 94
Event Timer N/A / N/A / N/A /
Time of Flight Measurement 20ps / 3mm / +/- 10mm / Aug 94
Epoch Time Measurement 100ns / N/A / N/A / Aug 94
Data Analysis
Normal Point Computation 1mm 1mm Aug 94
System Delay Computation 1mm 4mm Aug 94
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