Amateur Radio has advanced technologically to the point that the modes available for communication are almost too numerous to mention.
Just some of these are:
* Amplitude Modulation (AM)
* Double Sideband Suppressed Carrier (DSB-SC)
* Independent Sideband (ISB)
* Single Sideband (SSB)
* Amplitude Modulation Equivalent (AME)
* Frequency Modulation (FM)
* Phase Modulation (PM)
Image Modes
* Amateur Television (ATV)
* Slow Scan Television (SSTV)
* Facsimile
Digital
* AMateur Teleprinting Over Radio (AMTOR)
* D-Star
* Echolink
* Continuous Wave (CW)
* Multi Tone 63 (MT63)
* Multiple Frequency-Shift Keying (MFSK)
* Olivia MFSK
* Packet Radio (AX25)
* Automatic Position Reporting System (APRS)
* PACTOR
* Phase Shift Keying (31 baud) (PSK31)
* Spread spectrum
* Simplex Teletype Over Radio (SITOR)
* Radio Teletype (RTTY)
Others
* Earth-Moon-Earth (EME)
* Internet Radio Linking Project (IRLP)
* Low Transmitter Power (QRP)
* Satellite (OSCAR)
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