Bandwidth
|
Modulation Type Of
The Main Carrier
|
Nature Of Signal Modulating
The Main Carrier
|
Type Of Information To Be
Transmitted
|
Definition
|
Code
|
Definition
|
Code
|
Definition
|
Code
|
Definition
|
In KHZ followed
by K
|
A
|
Double Side Band
|
0
|
No Modulating
Carrier
|
A
|
Telegraphy For Aural
Reception
|
|
B
|
Independent Side
Bands
|
1
|
Single Channel
Quantizized
Or Digital Information,
Without The Use Of A
Modulating Subcarrier
Excluding Time - Division
Multiplex
|
B
|
Telegraphy For Automatic
Reception
|
|
C
|
Vestigial Side Band
|
2
|
Single Channel
Containing Quntizized Or Digital
Information With The Use
Of A Modulating Subcarrier Excluding Time -
Division
Multiples
|
C
|
Facsimile
|
|
D
|
Carrier Is Amplitude
And Angle
Modulated
Either Simultaneously
Or A Pre-Established
Sequence
|
3
|
Analog
Information
|
D
|
Data Transmission,
Telemetry, Telecommand
|
|
F
|
Frequency Modulation
|
7
|
Two Or More
Channels
Containing Quantizized
Or Digital Information
|
E
|
Telephony
|
|
G
|
Phase Modulation
|
8
|
Two Or More
Channels
Containing Analog
Information
|
F
|
Television (Video)
|
|
H
|
Single Side Band
Full
Carrier
|
9
|
Composite System.
One Or More Channels Containing Quantizized
Or Digital Information,
With One Or More Channels Containing Analog
Information
|
N
|
No Information Transmitted
|
|
J
|
Single Side Band
Suppressed Carrier
|
X
|
Cases Not
Otherwise Covered
|
W
|
Combination Of Any.
|
|
K
|
Pulses Modulated
In Amplitude
|
|
|
X
|
Cases Not Otherwise
Specified
|
|
L
|
Pulses Modulated
In Width / Duration
|
|
|
|
|
|
M
|
Pulses Modulated
In Position / Phase
|
|
|
|
|
|
N
|
Unmodulated Carrier
|
|
|
|
|
|
P
|
Sequence Of
Unmodulated
Pulses
|
|
|
|
|
|
Q
|
Carrier That Is Angle
Modulated During
The Period Of The
Pulse
|
|
|
|
|
|
R
|
Single Side Band -
Reduced Or Variable
Level Carrier
|
|
|
|
|
|
V
|
Combination Of
Pulses Modulated By
Combination Or By
Other Means
|
|
|
|
|
|
W
|
Carrier Modulated
Simultaneously Or
In Pre-Established
Sequence, In A Combination Of
Two Or More
Of The Following, Amplitude, Angle,
Pulse
|
|
|
|
|
|
X
|
Not Otherwise
Covered
|
|
|
|
|