Champion HC3 Quick Start Manual page 29

Step 4
The antenna shown in this configuration is the Champion
AS1-FS full spectrum external antenna on a 2 meter prism
pole.
Step 5
Under the RTK tab, make the selections shown. These
selections assume that you have a network account with a
corrections provider that provides a mount point for the
u-blox-M8P-2 receiver. If one is not available, you may use
another HC3 as a base and connect to it using long range
Bluetooth or a GSM sim card with a static IP address.
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