Paragraph 14 DEFINITIONS OF TERMS IN THIS ANNEX
“Beat length” (6) means the distance over which two orthogonally polarised signals, initially in phase, must pass in order to achieve a 2 Piradian(s) phase difference.
“Beat length” (6) means the distance over which two orthogonally polarised signals, initially in phase, must pass in order to achieve a 2 Piradian(s) phase difference.