
Colunm name
Unit
Description
GNSS:Quality Indicator
GPS Quality Indicator
• 0: fix not available
• 1: GPS fix
• 2: Differential GPS fix
• 3: PPS fix
• 4: RTK
• 5: float RTK
• 6: estimated (dead reckoning)
• 7: manual input mode
• 8: simulation mode
GNSS:Satellites
Number of satellites in use
GNSS:HDOP
m
Horizontal dilution of precision
GNSS:Undulation
m
Geoidal separation, the difference
between the WGS-84 earth ellipsoid and
mean-sea-level (geoid). Negative value
means mean-sea-level below ellipsoid
Table 14.8 — Position Log. Ground-Penetrating Radar Columns Description
Colunm name
Unit
Description
Ground-Penetrating Radar
GPR:Trace
Trace number in SEG-Y file
Table 14.9 — Position Log. Metal Detector Columns Description
Colunm name
Unit
Description
Metal Detector
MD:Channel 1
mV
Measured response in channel 1
MD:Channel 2
mV
Measured response in channel 2
MD:Channel 3
mV
Measured response in channel 3
MD:Channel 4
mV
Measured response in channel 4
MD:Top Channel
mV
Measured response in top channel
About Log Files
UgCS SkyHub User Manual
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90
Revision 5 • November 2021