CoheraRX ONLY

Signal guide

AM voice

Ordinary voice or music sent with amplitude modulation, the oldest way of putting sound on radio.

ModeAM voice
FamilyAnalog voice
Audio exampleComing

What does it sound like?

Plate 04Analog voice

Normal-sounding speech or music, often with background hiss and fading on shortwave.

Field marksA voice with a steady carrier under itBroadcast stations on AM and shortwave

Who uses it?

Broadcast stations (the AM band and shortwave), aircraft talking to controllers, and some hams.

Where and when can I hear it?

The AM broadcast band (530-1700 kHz), shortwave broadcasters between about 3 and 26 MHz, and aircraft voice on 118-137 MHz.

Easily confused with