GPS OBSERVATIONS AT EASTERN NECK NWR, ROCK HALL, MD
27 APRIL 2002
UNIT RECEIVER ANTENNA TRIPOD 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00
Unit 1 Ashtech ZXtreme
s/n ZE120011715		 Ashtech Geodetic L1/L2
p/n 701 975 01 rev A
s/n 5808		 2.000 m
Fixed-Height Tripod		 COES (13:00 - 20:31)
obslog, setup		 move
Unit 2 Ashtech ZXtreme
s/n ZE120012929		 Ashtech Geodetic L1/L2
p/n 701 975 01 rev A
s/n 5814		 2.0063 m
Fixed-Height Tripod		 COEN (13:32 - 20:44)
obslog, setup		 move
Unit 3 Ashtech ZXtreme
s/n ZE120013810		 Ashtech Geodetic L1/L2
p/n 701 975 01 rev A
s/n 5648		 2.000 m
Fixed-Height Bipod		  move K002 (15:54 - 17:04)
obslog, mark, setup		 move 955D (19:10 - 21:13)
obslog, mark, setup		 

OPUS POSITIONS:
  955D = 39 01 56.96997, 76 18 13.69417, 1.217(m)  OVERALL RMS: 0.015(m)
  COEN = 39 02 00.56121, 76 14 26.15876, 5.005(m)  OVERALL RMS: 0.016(m)
  COES = 39 01 55.69409, 76 14 27.82369, 5.289(m)  OVERALL RMS: 0.021(m)