Question

_____ is defined as the portion of pules after 65μsec?

(a) Pulse trailing edge

(b) Final pulse

(c) Decay zone

(d) Null

The question was asked in an international level competition.

My doubt is from Hyperbolic Radio Systems topic in chapter Terrestrial Radio Navigation System of Avionics

Answer 1

The correct answer is (a) Pulse trailing edge

To elaborate: The pulse trailing edge is defined as that portion of the Loran-C pulse following the peak of the pulse or 65μsec after the pulse is initiated. The pulse trailing edge is controlled in order to maintain spectrum requirements.