signalbroadcast
nounUK /ˈsɪɡnəlˌbrɔːdkɑːst/
US /ˈsɪɡnəlˌbrɔːdkæst/
A signal broadcast is when a message is sent out through the air for many people to receive.
The radio station sent a signal broadcast to every town in the valley.
OTHER MEANINGS
2. The act of sending out a radio or television signal.
The signal broadcast began at noon and lasted all day.
3. A message or program sent out over the airwaves.
We picked up a weak signal broadcast from across the ocean.
4. To send out information using electronic signals.
They will signalbroadcast the warning to all ships nearby.