education for height modernization dr. stacey d. lyle, rpls

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?