Phase-shift-keyed digital burst. Constant-ish envelope, rectangular occupied bandwidth — a modern data/telemetry link.
A flat-topped rectangular block that appears and vanishes as frames pass.
Drone command & telemetry, satellite downlinks, digital modes.
SPECTRA synthesises PSK Burst in your browser, so you can watch its waterfall signature and hear it demodulated without any radio hardware.
Open the live receiver →