Inspecting GNSS pole tips and contact points
A worn tip changes how the rover meets the mark. Check the physical contact and height convention before treating a pole length as known.
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174 practical articles on satellite positioning, RTK corrections, survey procedures and reliable geospatial data.
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Checking a GNSS pole bubble before important observations
Inspect the pole, bubble and mounting arrangement so physical tilt does not undermine otherwise good satellite observations.
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Slant and vertical GNSS antenna heights explained
Record the measurement geometry correctly so software can reduce the antenna observation to the survey mark.
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Understanding the GNSS antenna reference point
Keep the physical mark, antenna reference point and electrical phase centre distinct when measuring and processing GNSS heights.
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A daily GNSS base setup workflow for survey crews
Connect mark recovery, coordinate approval, antenna measurements and rover checks into a repeatable daily routine.
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Choosing and documenting a temporary GNSS base mark
Create a recoverable reference setup with stable support and a clear record of its coordinate and limitations.
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Finding and preventing wrong GNSS base coordinates
A stable RTK solution can inherit a wrong base position. Build checks that expose the resulting common offset.
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Checking RTCM interoperability between GNSS equipment
Test message content, signal support and reference information when combining a base, caster and rover from different systems.
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A practical GNSS rover reconnection procedure
Recover from a lost correction link while preserving the settings and checks needed to trust the next measurements.
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Selecting an NTRIP mountpoint for a GNSS rover
Match the correction stream to the rover, survey area and reference requirements before saving it as a field preset.
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Working with intermittent mobile data during RTK surveys
Plan connection checks, recovery steps and alternative observations for projects with unreliable cellular coverage.
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Reading correction age and diagnosing delayed RTK data
Use correction age to examine the timeliness of the data arriving at a rover and respond to delays without hiding them.
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