Q1#1. The principle of operation of Loran C is:Atiming the interval transmitted and received pulses.Bdifferential range by frequency comparison.Cdifferential range by pulse transmissions.Ddifferential range by phase comparison.
Q2#2. The frequency and waveband of LORAN C are:A100 kHz, hectometricB100 MHz, kilometricC100 MHz, hectometricD100 kHz, kilometric
Q3#3. The coverage of LORAN C is:ASpecified areas onlyBNorthern hemisphere onlyCOceanic areasDNorthern hemisphere oceanic areas