(a) COP means changeover point.
(b) L means compass locator;
(c) LF/MF means low frequency, medium frequency;
(d) LFR means low frequency radio range;
(e) VOR-E means VOR and distance measuring equipment; and
(f) Z means a very high frequency location marker.
[Doc. No. 1580, 28 FR 6718, June 29, 1963, as amended by Amdt. 95–118, 29 FR 13166, Sept. 23, 1964]