73.808 Distance computations
73.208(c) just outlines the mathematical formula used to measure the distance beween two points. REC's database services follow the same formula.
Text of Current Rule
For the purposes of determining compliance with any LPFM distance requirements, distances shall be calculated in accordance with Sec. 73.208(c) of this part.
Nothing special here. Just consistent with the other FM services.
Original Order - never amended.