Education for Height Modernization
Dr. Stacey D. Lyle, RPLS
Outline
• Publications– Research– Media
• Training Seminars– GPS on Benchmarks– Precise Digital Leveling
• Future Solutions
Publication Research
• Purpose:– Need for more research– Meeting needs of surveyors and mappers– Supporting United States Surveying and
Mapping research in advanced surveying technology for Height Modernization
– Supporting Height Modernization Activities with new methods and technology
Space Based RTK
• Space based RTK solutions
• GNSS- Institute of Navigation 2005
• Purpose:– Checking Vertical
Monuments– Communication
Problem– Real-time Networks
802.11x Option
Radio Modem Option
Internet
Base Station
GPS
NTRIP Server
Internet Satellite
MapAdapt
• Real-time GIS server– GIS data server– Data sharing
• Public Domain Software– Linux– Windows– MapServer
TNRIS
• TNRIS GIS Conference– Innovation Technology– Height Modernization
• Texas Geographic Information Committee– Control Base Layer
• Custodians
Digital Level Data Collection
• Hand Held and Online Digital Data Collection and Data Processing
• Purpose:– Improve Methodology– Advance Collection
and Quality
Data Online
• Online Users Processing Service – Digital Level Data OPUS- DLD
• Purpose:– Ability to submit and
reduce Digital Level Data
– Update methodology of level data reduction
Handheld Digital Level Data
• Purpose:– Build a software data collection
system that meets NGS standards and promotes
• Accomplishments– September 2006 NGS software
specification meeting– October 2006 NGS Software
data reduction meeting
Existing Control
Survey
PublishControl
THM and TxDOT
• Digital Level Training
• Elevation on CORS Training
• March, 2006
• 2 day training– Hands on data reduction– Software data reduction
GPS on Benchmarks
• Project: 100 points across state• Precise GPS• Training of RPLS’s and field crews• Data reduction and submission• Purpose:
– Recover and determine status of elevations in Texas
– Improve NGS Geoid Models with GPS on Benchmarks
GPS on Benchmarks
• Statewide training• Con Ed• 4 formal 8 hour
training seminars– Houston, Dallas,
San Antonio, and Laredo
– Attendance: ~ 600 surveyors
GPS on Benchmarks
• Topics– GPS technology– NGS NSRS– NGS Project Submittal– Memorandum 58– Memorandum 59– Monument Reset
GPS Benchmarks
• OPUS– Methodology– Accuracy– Results– NAVD 88 Heights
GPS on Benchmarks
• Elevation Benchmark Reset– Monument Saved Before
Lost or Obliterated– Monument Building– Monument Survey– Digital Leveling– Data Submittal
Future Solutions
• Distributed Learning– Web Seminar Software Solutions
• PmWiki• PowerPoint
– Video Solution– NGS PowerPoint's– Online Exams
Web Seminars
• Topics– Monument Recovery– Heights on CORS
• Digital Leveling Field Data Collection• Digital Leveling Data Reduction• GPS on Benchmarks
Pedagogies
• Guide
• Video
• Examination
• Certification
• Wider Audience
Conclusion
• What level of education is needed?
• What education is needed?
• How should education be conducted?
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