Download - WISCONSIN HEIGHT MODERNIZATION PROGRAM
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WESTERN REGION HEIGHT MOD WEBINAR
NOVEMBER 19, 2013
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2013
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
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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
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WESTERN REGION HEIGHT MOD WEBINAR 2013
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A GNSS ANTENNA AND RECEIVER ARE
USED TO COLLECT DATA
FROM TWO SATELLITE
CONSTELLATIONS
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6WESTERN REGION HEIGHT MOD WEBINAR 2013
FROM THE ORIGINAL 80 HARN MONUMENTS, THE PRIMARY BASE STATIONS WERE
OBSERVED
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THE SECONDARY STATIONS WERE ESTABLISHED FROM THE PRIMARY GPS
SURVEY
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THEN WE DENSIFY FURTHER WITH LOCAL GPS STATIONS
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DIFFERENTIAL LEVELING
OBSERVATIONS ARE PERFORMED
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LEVEL LINES USE NEW BENCH MARKS, GPS STATIONS, AND HISTORICAL MARKS BENCHMARKS APPROXIMATELY 3 Km APART SURVEYED TO SECOND ORDER, CLASS I
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11WESTERN REGION HEIGHT MOD WEBINAR 2013
COMBINATION OF NEW AND EXISITING VERTICAL CONTROL
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12WESTERN REGION HEIGHT MOD WEBINAR 2013
LEVEL LINES CONNECT GEODETIC MONUMENTATION
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THE WISCORS NETWORK THEN SITS ON THE PASSIVE NETWORK
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A NETWORK OF 85 PERMANENTLY MOUNTED GPS ANTENNAS SPACED 50
KM APART ACROSS THE STATE PROVIDING HIGHLY
ACCURATE CORRECTIONS IN REAL TIME
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RECEIVER
MONUMENT
ANTENNA
LIGHTNING SUPPRESSO
R
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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
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MINING EARTH MOVING CONSTRUCTION ATMOSPHERIC SCIENCES RAILROAD SIGNAL TIMING SEISMIC ACTIVITY WATER LEVELS LAND MANAGEMENT DROUGHT MONITOR MAPS
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.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.
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GIOVANNI SELLA, PhD.NATIONAL CORS PROGRAM MANAGER
CHUCK DEMETS, PhD.PROFESSOR OF GEOLOGYUW - MADISON
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21WESTERN REGION HEIGHT MOD WEBINAR 2013
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
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REPORTING ON MARKS IN NEIGHBORING STATES
RUN LEVEL LINES INTO NEIGHBORING STATES
SHARING DATA
JOINT SURVEY CAMPAIGNS
DOING FIELD WORK FOR OTHER STATES
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