NAV38 Features (data acquisition program)
Display functions:
- Displays locations of logged GPS positions and current location of an operator in real time while in Navigation mode
- Scale of map is user specified (meters or feet) and it scrolls automatically once the end of the screen is reached
- EM38 conductivity or Inphase data is displayed with moving graphic bar and in numeric form, EM38 dipole mode, component, and instrument range also moni
tored
- Current GPS antenna position in Latitude/Longitude, type of differential corrections (AGPS, DGPS, RTK, Phase), PDOP or other equivalent parameter (depends on NMEA used), number of satellites, and number of GPS positions in the file
- Positions of interpreted anomalies which are entered as an ASCII file allow you to navigate to points of interest
Survey parameters:
- Survey modes supported (Auto, Wheel, or Manual)
- Integration of readings available in Manual mode (up to 100 readings per station)
- Maximum rate of data acquisition is 10 Hz (assuming 1 Hz GPS output)
- New Line, New Station, Comment entry
- Change of scale in Navigation and Profile modes at any time
GPS functions:
- Configuration of logger serial port to accommodate any GPS settings
- GPS output monitoring
- Support for NMEA messages: GGA, GGA/GSA, GLL, POS, LLQ, LLK, GGK, and stream from Leica Robotics Total Station TPS1100
- Option to act as a stand-alone GPS logger, which would allow data to be collected in GXY file format (compatible with any TrackMaker or Multi program)
- Offset for GPS antenna in any direction
Examples of the NAV38 system geometry
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