Back Azimuth = Forward Azimuth + 180° For example, if a line has an azimuth of 75, its back azimuth would be 255°. If a line has an azimuth of 150, its back azimuth would be 330. Direction ...

The iPhone used by a terrorist in the San Bernardino shooting was unlocked by a small Australian hacking firm in 2016, ending a momentous standoff between the U.S. government and the tech titan Apple.