This is the required bandwidth of the transmitter. The
above example represents "16.0kHz bandwidth". The decimal point is
replaced with "H", "K", "M", or "G". These define as:
H
= Hertz
K
= Kilohertz
M
= Megahertz
G
= Gigahertz
1st Digit
A
= AM (Amplitude Modulation), double-sideband
B
= AM, independent sidebands
C
= AM, vestigial sideband
D
= Amplitude and Angle Modulated carrier
F
= Angle Modulated, frequency modulation
G
= Angle Modulated, phase modulation
H
= AM, single-sideband, full carrier
J
= AM, single-sideband, suppressed carrier
K
= Pulse, amplitude modulation (PAM, PSM)
L
= Pulse, width modulation (PWM)
M
= Pulse, phase or position modulation (PPM)
N
= Emission of an unmodulated carrier
P
= Pulse, no modulation
Q
= Pulse, carrier also angle-modulated during pulse
R
= AM, single-sideband, reduced or variable level carrier
W
= Pulse, two or more modes used
X
= All cases not covered above
2nd Digit
0
= No Modulation
1
= Digital, on-off or quantized, no modulation
2
= Digital, with modulation
3
= Single analog channel
7
= Two or more digital channels
8
= Two or more analog channels
9
= Composite, one or more digital channel, one or more analog