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Table 2

Relationship between the conventions for inclination angle α and impact angle β in DR01 and EW01 for the outside traverse and inside traverse branches of the geometry fit in DR01.

Outside traverse
αDR > 0° αEW < 90° αDR = αEW
βDR > 0° βEW > 0° βDR = βEW

Inside traverse

αDR > 0° αEW > 90° αDR = 180°–αEW
βDR < 0° βEW > 0° βDR = −βEW

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