VHF omnidirectional range
Constants

VHF omnidirectional range

Section Title: Constants
Table Section Text: None

Description	Formula	Notes	Min	Nom	Max	Units

ident	i(t)	on	1

off	0

Mi	A3 modulation index	0.07

Fi	A1 subcarrier frequency	1020	Hz

voice	a(t)	−1	+1

Ma	A3 modulation index	0.30

navigation	Fn	A0 tone frequency	30	Hz

variable	Mn	A3 modulation index	0.30

reference	Md	A3 modulation index	0.30

Fs	F3 subcarrier frequency	9960	Hz

Fd	F3 subcarrier deviation	480	Hz

channel	Fc	A3 carrier frequency	108.00	117.95	MHz

carrier spacing	50	50	kHz

speed of light	C	299.79	Mm/s

radial azimuth	A	relative to magnetic north	0	359	deg

Sentence(s)

VHF omnidirectional range uses frequencies from 108.00 to 117.95 MHz.

final_sentence: VHF omnidirectional range uses frequencies from 108.00 to 117.95 MHz.