Sensors & Software pulseEKKO Product Manual page 161

Collecting Data
Figure 7-19: Select the Interps button to select a color for Interps.
7.1.10 Flags
Flags are often inserted to mark noteworthy surface features, such as poles, sidewalks, changes
in terrain etc. These markers may help you correlate subsurface targets with above ground
features. It is good practice to record the position and name of the object encountered at each
marker in your field notebook or voice recording.
When a GPR line is collected in Free Run, flags are often added to mark known positions. This
allows the GPR line to be "rubberbanded" in post-processing to correct the position of the traces
and the length of the line.
Pressing the asterisk button on the keypad will insert a flag at your current position, either during
forward data acquisition or when backed-up. Flags are sequentially numbered (Figure 7-20).
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