NASA MOBLAS 4. Goddard Space Flight Center Greenbelt, MD
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1 Annual HPWREN Users Meeting NASA MOBLAS 4 Goddard Space Flight Center Greenbelt, MD November 19, 2008
2 Howard Donovan Engineering and Operations Manager Ron Sebeny MOBLAS 4 Acting Station Manager NASA Satellite Laser Ranging Program Goddard Space Flight Center Honeywell Technology Solutions Inc.
3 NASA SLR Network MOBLAS 4 MOBALS 5 MOBLAS 6 MOBLAS 7 MOBLAS 8 TLRS-3 TLRS-4 San Diego, California Yarragadee, Australia Hartebeesthoek, South Africa GSFC, Greenbelt, Maryland Tahiti, French Polynesia Arequipa, Peru Haleakala, Hawaii MLRS Fort Davis, Texas
4 View from HPWREN Mt.. Laguna West
5 MOBile Laser RAnging System 4 MOBLAS 4, San Diego, CA.
6 MOBLAS 4 Nighttime Operations
7 Satellite Laser Ranging Measure Time of Flight (TOF) Time Interval Unit (TIU) High Precision Stop Watch Telescope 30 Schmidt-Cassigraine Short Pulse Laser 200 picoseconds or 0.2 X second
8 Satellite Laser Ranging Provides Precision Range Measurement ~5mm over a 6,000 km range (3,700 miles)
9 International Laser Ranging Service Provides global satellite and lunar laser ranging data and their related products to support geodetic and geophysical research activities as well as IERS products important to the maintenance of an accurate International Terrestrial Reference Frame (ITRF). The service develops the necessary global standards/specifications and encourages international adherence to its conventions.
10
11 SLR Science Contributions Tectonic Plate Motion Gravity Field Atmospheric Pressure Loading Earth Rotation International Terrestrial Reference Frame Atmospheric Refraction Model Altimeter Calibration Geocenter Determination and Monitoring Ocean Tides and Sea Level Monitoring Land and Ice Topography Solid Earth-Core/Mantle Interaction Post-Glacial Rebound Part of the International Network of Space Geodetic Observatories VLBI, GPS, DORIS and PRARE systems
12 NASA SLR Network Activities for 2008 MOBLAS 8 Tahiti, French Polynesia Return to Operations Offline for 18 months Engineering Site Visit 2 Engineers - 8 weeks total System Repair Saturable Absorber Laser Upgrade Controller Computer Upgrade UPS Replacement Oscilloscope Replacement MOBLAS 7 Greenbelt, Maryland (GSFC) Controller Computer Upgrade UPS Replacement
13 NASA SLR Network Activities for 2008 MOBLAS 6 Hartebeesthoek, South Africa 2 Engineers 8 weeks total System Repair and Upgrade High Sensitivity Laser Receiver Saturable Absorber Laser Upgrade Controller Computer Upgrade UPS Replacement Oscilloscope Upgrade
14 NASA SLR Network Activities for 2008 MOBLAS 5 Yarragadee, Australia Controller Computer Upgrade UPS Replacement Oscilloscope Upgrade MOBLAS 4 Monument Peak, California Saturable Absorber Laser Upgrade Controller Computer Upgrade UPS Replacement Oscilloscope Upgrade
15 NASA SLR Network Activities for 2008 TLRS 4 Haleakala, Hawaii UPS Replacement Oscilloscope Upgrade Controller Computer Upgrade In Progress Future Upgrade Saturable Absorber Laser Upgrade TLRS 3 Arequipa, Peru UPS Replacement Oscilloscope Upgrade Future Upgrades Controller Computer Upgrade Saturable Absorber Laser Upgrade
16 NASA SLR Network Activities for 2008 MLRS Fort Davis, Texas Future Upgrade Controller Computer Upgrade Saturable Absorber Laser Upgrade
17 Saturable Absorber Upgrade - Before Flowing Dye Cell And Reservoir
18 Saturable Absorber Upgrade - After Saturable Absorber
19 Saturable Absorber Upgrade - After Saturable Absorber
20 Next Generation SLR
21 Lunar Reconnaissance Orbiter LRO LRO Mission Includes: LOLA - laser altimeter LROC - camera LAMP - Lyman alpha telescope LEND - neutron detector DIVINER - thermal radiometer CRATER - cosmic ray detector mini-rf - radar tech demo Greenbelt, MD
22 NGSLR LRO Preparation Status NGSLR Preparations Continue Completing Ground Calibration Upgrades Fine Tuning Point-Ahead Optical System Training Initial Operator 2 Additional Operators Hired Completing Training at MOBLAS 7 Will then Train at NGSLR Colocation with MOBLAS 7 MOBLAS Enhancement to Track LRO LRO Target Launch Date April 24, 2009
23 MOBLAS 4 Located in Mt. Laguna
24 NASA SLR Uses of the HPWREN Internet Access Hourly Data Transfer Satellite Prediction Transfer Critical Go/No-Go Operations Software Upgrades Remote Status Data Research ILRS Network Communications Emergency Electronic Mail Sustaining Engineering
25 HPWREN Valuable to NASA SLR Highly Reliable High Bandwidth Critical Safety Tool Provides Easy Internet Access to Our Remote Location Congrats and Thanx to HPWREN!
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