Steady carrier
A signal with nothing on it: a steady, unchanging tone.
ModeSteady carrier
FamilySignal structure
Audio exampleComing
What does it sound like?
Plate 62Signal structure
One constant whistle or tone that doesn't change.
Field marksA single steady toneNo rhythm, no voice
Who uses it?
Transmitters being tested or tuned, idle stations, and some beacons between messages.
Where and when can I hear it?
Anywhere.
Easily confused with
- Interference or noise, from the same family