58/59 Guidelines Revision GPSBM (Phase II) Data Collection

1
58/59 Guidelines RevisionGPSBM (Phase II) Data
Collection

• Long-session GNSS and RT solutions
• Three teams
• SC Geodetic Survey
• 3 Rs
• RTN/RTK support
• NGS field crew
• GCT field crew

2
NGS-58/59 update study area
3
Static Data Collection

• Purposes
• Update guidelines for achieving best possible
  heights
• Use these heights for evaluating RT test heights.
• Same 20 stations as RT
• Three days occupation per station
• Two 5-hr sessions/day
• 30 hrs. of static data/test station

4
RTN/RTK Typical Daily Schedule

• 4 Survey Styles
• 2 RTN
• 2 Single-base
• 10 Rovers staying on schedule on same stations
  for 3 days
• 3 more days on another 10 stations
• 6 days
• 20 stations
• 120 solutions/sta/day
• 14,400 RT solutions

Survey Style Occ. time Series 1 Series 2 Series 3 Series 4 Series 5
1 VRS GR 5s 800 945 1130 1335 1520
  30s      
 RTN solution 60s 801 946 1131 1336 1521
 GPS GLONASS 3m 802 947 1132 1337 1522
  5m 805 950 1135 1340 1525
  10m 810 955 1140 1345 1530
2 VRS GPS only 5s 825 1010 1155 1400 1545
  30s      
 RTN solution 60s 826 1011 1156 1401 1546
 GPS only 3m 827 1012 1157 1402 1547
  5m 830 1015 1200 1405 1550
  10m 835 1020 1205 1410 1555
3 SB GR 5s 850 1035 1220 1425 1610
  30s      
 Single base RTK 60s 851 1036 1221 1426 1611
 GPS GLONASS 3m 852 1037 1222 1427 1612
  5m 855 1040 1225 1430 1615
  10m 900 1045 1230 1435 1620
4 SB GPS only 5s 915 1100 1245 1450 1635
  30s      
 Single base RTK 60s 916 1101 1246 1451 1636
 GPS only 3m 917 1102 1247 1452 1637
  5m 920 1105 1250 1455 1640
  10m 925 1110 1255 1500 1645