Needs an update.
This is based upon a database of satellites, cell towers and other networks.
As you rotate and move your device, you see where these sources of information is around you.
There is this strange sound effect that is a combination of electronic beeps, static and other annoying sounds. It should have better sound effects.
There is no way to zoom in or out, choose a point of interest, or get information of the sources. It needs that. There is no configuration tool, either.
This is in need of a functionality update. Not even worth 99 cents, as it is designed.
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Architecture of Radio