This should be coming from level with you - elevation: 0.
This should be coming from straight above you - elevation: 90deg.
This should be coming from straight below you - elevation: -90deg.
This should be coming from straight above you - elevation: .785rad.
This should be coming from straight above you - elevation: 10deg.
This is a control.
This should be coming from the same place as the control - elevation: .786rad - greater than 90deg so invalid.
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