Magellan ProMark3 RTK Getting Started Manual page 22

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This opens a points list from which you can select the
control point name corresponding to where the base is
installed. This automatically sets the Location field to
the right coordinates.
• Station ID: A 4-character string (0.. 4095).
• Location: Coordinates of base position. See Site ID field
above.
• Elevation: Above ellipsoid.
• Units: Antenna height unit (meters, US feet or Int
feet).
• Antenna Height: From the reference point.
• Height Type: Slant or Vertical.
4. Tap Start. The ProMark3 RTK starts operating as a base.
RTCM 3.1 corrections are now broadcast via the radio
modem. The screen shows the following parameters:
• Site ID: As a reminder
• Elapsed: Time elapsed since you started the base sta-
tion
• # Sats: Current number of satellites received
• PDOP
• Base Station Position
• Power indicator (all green: fully charged)
• Free memory indicator (all green: maximum)
Later, after you have finished your survey and you come back
to the base to switch it off, first tap Stop. The ProMark3 RTK
will instantly stop transmitting RTCM corrections.