However the protocols mentioned apply only to radio SETI rather than for METI ( Active SETI ) The intention for METI is covered under the SETI charter " Declaration of Principles Concerning Sending Communications with Extraterrestrial Intelligence ".

Active SETI, also known as messaging to extraterrestrial intelligence ( METI ), consists of sending signals into space in the hope that they will be picked up by an alien intelligence.

* February – The Teen Age Message, an Active SETI message sent from the 70-meter Eupatoria Planetary Radar, arrives at its destination, the star HD 197076.

* Active SETI, the attempt to send messages to intelligent aliens

Several attempts have been made to transmit signals to other stars as well, see " Realized projects " at Active SETI and Interstellar Radio Messages.

* Messaging to Extra-Terrestrial Intelligence ( METI or Active SETI )

TAM was humanity's fourth Active SETI broadcast and the first musical interstellar radio message.

The First Theremin Concert for Extraterrestrials was the world's first musical Active SETI broadcast, and was sent six years before NASA's Across the Universe message.