If the needle drifts off-center the aircraft would be turned towards the needle until it is centered again. Open the app, choose the type of procedure you want to practice, and start flying!

A number of stations are used to create an airway , with the navigator tuning in different stations along the direction of travel. When rewinding, the original track line will still be displayed, so you can compare different options. That the satellites move with respect to the receiver requires that the calculation of the positions of the satellites must be taken into account, which can only be handled effectively with a computer.

As the loop continues to rotate beyond degrees the current induced will be in the opposite sense. This angle is then displayed in the cockpit of the aircraft , and can be used to take a fix just like the earlier RDF systems, although it is easier to use. Anyway, it seemed kinda cool to go visit them and build a gallery.