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Polaris Alpha User Manual

Polaris Alpha
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35
Polaris offers a very low-cost subscription service that allows customers, who do not have fixed IP
Internet connection, to setup RTK base station using open-source RTKLIB’s STRSVR to stream the base
data to our re-directing server. The Lefebure NTRIP Client running on customer’s Android phone can
then connect to our re-directing server to fetch the streamed base data. This way no fixed IP is
required to setup RTK base station. Refer to Appendix A-2 for setup procedures.
After local RTK base for Internet NTRIP connection is prepared, setup procedure as described in
section 6-4-2 is to be applied to use the RTK rover.
6-4-4 UAV Configuration Using Locally Setup Base / PC / Mission Planner and Radio Connection
Base
USB mode / switch on A
Micro-USB
cable
Mission Planner
RTK
antenna
Telemetry
Radio
Telemetry
Radio
Rover
TTL mode / switch on B
RTK
antenna
6-pin wire for
UAV-to-Rover
Setup for UAV
433MHz/915MHz/2.4GHz
Alpha
RTK
Alpha
RTK
. . .
Figure 6-16
Use section 6-2 method to configure one Alpha receiver into RTK rover. Depending on whats 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/rover for UAV
application.

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Polaris Alpha Specifications

General IconGeneral
Frequency Range20 MHz to 6 GHz
Instantaneous Bandwidth40 MHz
Dynamic Range80 dB
Power Supply12V DC
InterfaceEthernet

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