WHAT'S THAT SIGNAL SOUND LIKE?

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BAUDOT

PSK31

SITOR A

MFSK16

SITOR B

COHERENT CW

SWED-ARQ

MT63

ARQ-E3

THROB

ARQ-M2

MORSE CODE

G-TOR

MOSAIC

AUTOCAB

ALE400

P3D BEACON

PACKET

POCSAC

5/6 TONE PAGING

MOBITEX

COQUELET

PICCOLO

GSM

ACARS

HFDL - HF ACARS

GMDSS

SSR (SQUAWK)

NATO SEL CALL TONE

ICAO SEL CALL TONE

US MILITARY 4 FREQ

FELD-HELL

CLOVER

PACTOR

NOAA

WEFAX

DSC

AIS

ORBCOMM

FUNCUBE

FLEX

VDL-2

RADIO BEACON

WEATHER  BUOYS

PICTOAUD

SSTV - MARTIN 1

BUL-F7B-240

CROWD

STANAG 4285

UK MILITARY 300

MFDSC

JAERO

 

DON'T EXPECT TO BE ABLE TO DECIPHER ALL COMMERCIAL TRANSMISSIONS THAT YOU COME ACROSS A GREAT MAJORITY WILL BE ENCRYPTED,SOME OF THESE MODES ARE MOST LIKELY OBSOLETE NOW.

THE FOLLOWING TWO PROGRAMS WILL DECODE SOME OF THE MORE UN-USUAL SIGNALS YOU MIGHT ENCOUNTER ON YOUR RADIO 

  SORCERER
  RIVET