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Learn about the Wisconsin Height Modernization Program, geodetic control stations, GPS observations, leveling techniques, WISCORS network, applications, and research partners. Discover how this program impacts various industries and provides precision positioning data.
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WISCONSIN HEIGHT MODERNIZATION PROGRAM WESTERN REGION HEIGHT MOD WEBINAR NOVEMBER 19, 2013
WI-HMP OBJECTIVES TO PROVIDE REAL-TIME, SUB 2 CM-HORIZONTAL AND VERTICAL POSITIONING STATEWIDE TWO RELIABLE, INDEPENDENT NETWORKS ARE NECESSARY TO MAKE THIS ACCURACY POSSIBLE. THE PASSIVE NETWORK IS THE GEODETIC CONTROL MONUMENTS AND THE ACTIVE NETWORK IS WISCORS WESTERN REGION HEIGHT MOD WEBINAR 2013
HISTORY OF WI-HMP • 50% OF ALL WISCONSIN’S ORIGINAL GEODETIC CONTROL STATIONS WERE DESTROYED BY THE LATE 1980S • WISDOT WAS THE RECIPIENT OF A FEDERAL GRANT TO RESTORE GEODETIC CONTROL • OVER 8,000 GEODETIC CONTROL STATIONS HAVE BEEN CONSTRUCTED THROUGHOUT THE STATE • AN IMPORTANT COMPONENT OF WI-HMP IS PRESERVING THESE CONTROL STATIONS WESTERN REGION HEIGHT MOD WEBINAR 2013
GEODETIC CONTROL STATIONS WESTERN REGION HEIGHT MOD WEBINAR 2013
GPS OBSERVATIONS A GNSS ANTENNA AND RECEIVER ARE USED TO COLLECT DATA FROM TWO SATELLITE CONSTELLATIONS WESTERN REGION HEIGHT MOD WEBINAR 2013
PRIMARY DENSIFICATION FROM THE ORIGINAL 80 HARN MONUMENTS, THE PRIMARY BASE STATIONS WERE OBSERVED WESTERN REGION HEIGHT MOD WEBINAR 2013
SECONDARY DENSIFICATION THE SECONDARY STATIONS WERE ESTABLISHED FROM THE PRIMARY GPS SURVEY WESTERN REGION HEIGHT MOD WEBINAR 2013
LOCAL DENSIFICATION THEN WE DENSIFY FURTHER WITH LOCAL GPS STATIONS WESTERN REGION HEIGHT MOD WEBINAR 2013
GEODETIC LEVELING DIFFERENTIAL LEVELING OBSERVATIONS ARE PERFORMED WESTERN REGION HEIGHT MOD WEBINAR 2013
GEODETIC LEVELING • LEVEL LINES USE NEW BENCH MARKS, GPS STATIONS, AND HISTORICAL MARKS • BENCHMARKS APPROXIMATELY 3 Km APART • SURVEYED TO SECOND ORDER, CLASS I WESTERN REGION HEIGHT MOD WEBINAR 2013
BENCHMARKS COMBINATION OF NEW AND EXISITING VERTICAL CONTROL WESTERN REGION HEIGHT MOD WEBINAR 2013
LEVEL LINES LEVEL LINES CONNECT GEODETIC MONUMENTATION WESTERN REGION HEIGHT MOD WEBINAR 2013
WISCORS NETWORK THE WISCORS NETWORK THEN SITS ON THE PASSIVE NETWORK WESTERN REGION HEIGHT MOD WEBINAR 2013
THE WISCORS NETWORK A NETWORK OF 85 PERMANENTLY MOUNTED GPS ANTENNAS SPACED 50 KM APART ACROSS THE STATE PROVIDING HIGHLY ACCURATE CORRECTIONS IN REAL TIME WESTERN REGION HEIGHT MOD WEBINAR 2013
WISCORS MAP WESTERN REGION HEIGHT MOD WEBINAR 2013
WISCORS COMPONENTS RECEIVER ANTENNA MONUMENT LIGHTNING SUPPRESSOR WESTERN REGION HEIGHT MOD WEBINAR 2013
WISCORS APPLICATIONS • SURVEYING AND ENGINEERING • FLOOD PLAIN MAPPING • EMERGENCY MANAGEMENT SERVICES • ZERO VISIBILITY SNOW PLOWING • UNDERGROUND UTILITY LOCATION • GIS MAPPING • PRECISION AGRICULTURE • MARITIME ACTIVITIES • POST PROCESSING REFERENCE DATA WESTERN REGION HEIGHT MOD WEBINAR 2013
WISCORS APPLICATIONS • MINING • EARTH MOVING • CONSTRUCTION • ATMOSPHERIC SCIENCES • RAILROAD SIGNAL TIMING • SEISMIC ACTIVITY • WATER LEVELS • LAND MANAGEMENT • DROUGHT MONITOR MAPS WESTERN REGION HEIGHT MOD WEBINAR 2013
REFERENCE DATA • .dat FILES DO NOT INCLUDE GLONASS INFORMATION. .tdg AND RINEX FILES INCLUDE BOTH CONSTELLATIONS • CORS STATIONS DATA AVAILABLE IN 1 SECOND EPOCHS FOR 60 DAYS • VRS STATION DATA AVAILABLE IN 1 SECOND EPOCHS FOR 30 DAYS IF YOU NEED REFERENCE DATA FOR POST PROCESSING, PLEASE DOWNLOAD IT WITHIN A WEEK OF DOING YOUR FIELD WORK. WESTERN REGION HEIGHT MOD WEBINAR 2013
RESEARCH PARTNERS GIOVANNI SELLA, PhD. NATIONAL CORS PROGRAM MANAGER CHUCK DEMETS, PhD. PROFESSOR OF GEOLOGY UW - MADISON WESTERN REGION HEIGHT MOD WEBINAR 2013
GREAT LAKES REGION HEIGHT MODERNIZATION CONSORTIUM • PART OF THE NATIONAL HEIGHT MODERNIZATION PROGRAM • MADE UP OF 6 CORE STATES, 4 OVERLAPPING STATES • SHARING CORS STATIONS AT BORDERS • WORKING TOWARDS A MULTI-STATE GIS DATABASE • POSITION PAPER ON WHY STATE RTNs SHOULD BE ADMINISTERED BY THE STATE WESTERN REGION HEIGHT MOD WEBINAR 2013
PARTNER ACTIVITIES REPORTING ON MARKS IN NEIGHBORING STATES RUN LEVEL LINES INTO NEIGHBORING STATES SHARING DATA JOINT SURVEY CAMPAIGNS DOING FIELD WORK FOR OTHER STATES WESTERN REGION HEIGHT MOD WEBINAR 2013
QUESTIONS OR COMMENTS? WESTERN REGION HEIGHT MOD WEBINAR 2013