Polaris Alpha User Manual page 34

16. When surveying a group of locations within walking distance, can leave Alpha powered up,
taking the range pole or tripod to next location to survey. Switch to the Lefebure NTRIP
Client App to check if Alpha is in RTK Fix state before recording the next location position
with Data Collector App. The setup procedure only needs to be performed once. Later use
only need to run Lefebure NTRIP Client and connect.
6-4-3 GIS Survey Configuration Using Locally Setup Base/PC and Phone Connection
RTK
antenna
Base
Alpha RTK
USB mode / switch on A
Use section 6-2 method to configure one Alpha receiver into RTK rover. Depending on what's available
to determine base antenna position, select one of the options to configure the second Alpha RTK
receiver into RTK base as described in section 6-3.
Once Alpha RTK base and rover settings are properly configured and able to get rover RTK Fix with
short baseline experiment as described in section 6-4-1, one can proceed to setup base to send data
over Internet.
If having fixed IP to setup a local base, one can use RTKLIB's STRSVR to setup NTRIP Server/Caster RTK
base station to work with remote NTRIP Client. Please refer to Appendix A-3 for setup procedures.
Setup for GIS Data Collection
Micro-USB
cable
NTRIP
caster
Figure 6-15
34
. . .
NTRIP
client
Bluetooth
3G/4G/LTE
Internet
RTK
antenna
Rover
Alpha RTK
BT mode / switch on B