Surveying & Mapping

GPS on Bench Marks Campaign

NGS CORS in FLORIDA

FDOT CORS / NGS

Florida Permanent Reference NetworkFPRN

GNSS “Full Sky”

FPRN is on NAD(83)-(CORS96)-(Epoch 2002.0000).

NEW DATUM = Current realization of NAD83

FPRN HEIGHT MOD

BENCHMARK OBSERVATIONS

• TWO per FPRN SITE (minimum)

• 4 HR Static (30 second epochs)

• 2 meter FIXED height tripods with SAME make & model antennas as all FDOT sites

• Observations shared on OPUS

WIN/ WIN

• NGS• Data for updating

benchmarks and future GEOID models

• FPRN• Ellipsoid values

broadcasted to users that are tied to benchmarks.