An Unregistered Comms Beacon is an automated communications satellite that transmits audio messages at regular intervals. It's messages are often encoded, and require the player to decipher the message to understand it's contents.
An Unregistered Comms Beacon will show up as a location in your Nav Panel when you are within 1000 LS of it. It can be targeted in SuperCruise like any Signal Source. When you drop out of SuperCruise, you must target the beacon and wait until you hear it broadcast it's message.
Most will broadcast their message on the hour, every hour. Some will broadcast at different times. If you are unsure of the broadcast time, try on the hour, or half past the hour.
You must be within 500m of the beacon to hear it's broadcast.
You cannot scan the beacon, and it will not respond to any attempts to interact with it.
Message Format Edit
Unregistered Comms Beacons broadcast an audio message that will be heard by anyone within 500m range of the beacon. The message usually takes the form of a series of letters which spell out a message.
Alternatively, the beacon may broadcast a series of numbers that the player must decipher into a usable message.