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v5.20 - Classic DocuShare Home - Trimble

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Measure<br />

to here<br />

Correction<br />

Uncorrected<br />

Height<br />

RTK Mapping 8<br />

Vertical (APC)<br />

Height<br />

Figure 8.4 Measuring the height of a Compact L1/L2 antenna on range<br />

pole<br />

For example, on a Compact L1/L2 antenna, measure to the bottom of<br />

the plastic antenna housing and enter this value as the antenna height,<br />

with Measurement method set to ‘Bottom of antenna mount’. The<br />

software then calculates the APC based on the antenna type you have<br />

selected and, in this case, adds 62.5 mm to the measured value. This<br />

APC height is used to calculate the ground height for points.<br />

TSC1 Asset Surveyor Operation Manual 205

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