Table 2 - Mode Designations

Code

Mode

ITU-R

Notes

AM

Double-sideband amplitude modulated telephony

A3E

 

AMTOR

Amateur Teleprinting Over Radio

J2B or F1B

BFSK

ATV

Fast Scan Television

A3F

 

CLOVER

Clover

500HJ2B

 

CLOVR2

Clover II

 

 

CW

Continuous wave telegraphy

A1A

 

DATA

Digital

3rd letter B

 

FAX

Facsimile

3rd letter C

 

FM

Frequency modulated telephony

F3E

 

FSK31

FSK31

J2E or F1B

 BPSK

FSK441

WSJT meteor scatter mode

J2B

4-FSK

GTOR

Golay-TOR (G-TOR)

 J2B

 

HELL

Hellschreiber

J2C or A1C

 

IMAGE

TV or FAX

3rd letter C or F

 

JT44

WSJT moonbounce mode

J2B

44-FSK

MFSK16

Multiple Frequency Shift Keying

316HJ2B

16-FSK

MFSK8

Multiple Frequency Shift Keying

J2B

32-FSK

MS188

MIL-STD 188-110B

J2B

39-OFDM DQPSK

MT63

MT-63

1KJ2B

64-OFDM BDPSK

MTTY

Minimum Shift Keying (MSK) RTTY

J2B or F1B

 BFSK

PACKET

Packet

J2B or F1B

BFSK

PACTOR

PACTOR

J2B or F1B

BFSK

PACTR2

PACTOR II

J2B

2-OFDM DQPSK

PHONE

Voice telephony

3rd letter E

 

PSK125

PSK125F

J2B

 

PSK31

PSK31

J2B or G1B

 

PSK63

PSK63F

100HJ2B

BPSK

Q15X25

Q15X25 (NEWQPSK)

J2B

15-OFDM DQPSK

QPSK31

Quadrature PSK31

J2B or G1B

QPSK

RTTY

Baudot Radioteletype

F1B or J2B

 

S4285

NATO STANdardization AGreement (STANAG) 4285

 J2B

MFSK

SSB

Single-sideband, suppressed carrier telephony

J3E

 

SSTV

Slow Scan Television

J2F

 

THORB

THROB

J2B

9-FSK