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Doc ID: SOL13890
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Positioning Application: How to use Pseudorange Ramp toolbar button for RAIM test?
With this article, you can see an example RAIM test using Pseudorange Ramp toolbar button and Septentrio PolarX5 receiver.
For more information on different way to apply PR ramp in scenario, please refer to article FAQ12538 to learn about PR Ramps
PosApp all versions (SimGEN, SimREPLAYplus, SimREPLAY)
RAIM test example applying PR ramps by Pseudorange ramp button in a scenario with Septentrio PolaX5 receiver.
Before applying PR ramp in a scenario, run a scenario with a receiver connected to the simulator until the receiver gets a position fix using signals from a minimum of 5 satellites with a satisfactory geometry.
In the PosAPP software
click the Pseudorange Ramp toolbar button
In the Pseudorange Ramps dialog, click New
Type in Tx ID (for example GPS 15)
Type in Pseudorange change (for example 1300
Ramp up time(for example 3 mins)
Repeat steps 3 to 5 for each satellite you want to apply a Pseudoragne ramp to(for example GPS 22 and GPS 29)
In RxControl Software ( normally RAIM on)
Use the menu View-Channel table
You can see GPS15, 22,29 rejected in status.
If you want to see what happen to Receiver by applying PR Ramp without RAIM
In Rx Control Softare
Use the menu Navigation-Receiver Operation-Postion
In Integrity Tab, Turn off RAIM
In Posapp Software
Run a scenario again.
After a receiver get position fix
Apply PR ramp following steps above
You can see receiver moving far away from reference postion
Product : Position Apps,SimGEN,PosApp