Modes of communication

Amateurs use a array of voice, text, angel and abstracts communications modes over radio. About new modes can be activated in the abecedarian radio service, although civic regulations may crave acknowledgment of a new approach to admittance radio licensing authorities to adviser the transmissions. Encryption, for example, is not about acceptable in the Abecedarian Radio account except for the appropriate purpose of agenda car ascendancy uplinks. The afterward is a fractional account of the modes of advice used, area the approach includes both accentuation types and operating protocols.

edit Voice

Amplitude accentuation (AM)

Double Sideband Suppressed Carrier (DSB-SC)

Independent Sideband (ISB)

Single Sideband (SSB)

Amplitude Accentuation Equivalent (AME)

Abundance accentuation (FM)

Appearance accentuation (PM)

edit Image

Abecedarian Television, aswell accepted as Fast Scan television (ATV)

Slow-Scan Television (SSTV)

Facsimile

edit Argument and data

Most abecedarian agenda modes are transmitted by inserting audio into the microphone ascribe of a radio and application an analog scheme, such as amplitude accentuation (AM), abundance accentuation (FM), or single-sideband accentuation (SSB).

Continuous Wave (CW)

ALE Automatic Link Establishment

AMateur Teleprinting Over Radio (AMTOR)

D-STAR

Echolink

Hellschreiber, aswell referred to as either Feld-Hell, or Hell

Discrete multi-tone accentuation modes such as Multi Tone 63 (MT63)

Multiple Frequency-Shift Keying (MFSK) modes such as

FSK441, JT6M, JT65, and

Olivia MFSK

Packet radio (AX25)

Automatic Packet Reporting System (APRS)

PACTOR

Phase-Shift Keying

31 baud bifold appearance about-face keying: PSK31

31 baud quadrature appearance about-face keying: QPSK31

63 baud bifold appearance about-face keying: PSK63

63 baud quadrature appearance about-face keying: QPSK63

Spread spectrum

Radioteletype (RTTY)

edit Modes by activity

The afterward 'modes' use no one specific accentuation arrangement but rather are classified by the action of the communication.

Earth-Moon-Earth (EME)

Internet Radio Linking Project (IRLP)

Low Transmitter Power (QRP)

Agenda (OSCAR)