Cosmic Call was the name of two interstellar radio messages that were sent from RT-70

RT-70

There are three radio telescopes designated RT-70, all in countries that were once part of the former Soviet Union, all with similar specifications: 70m dishes and an operating range of 5–300 GHz...

 in Yevpatoria in 1999 and 2003 to various nearby stars. The messages were designed with noise resistant format and characters.

The project was funded by Team Encounter, a Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

-based startup that went out of business in 2004.

Each Cosmic Call 1 session had the following structure—Scientific Part was sent three times, Public Part (PP) was sent once, according with the next arrangement:

DDM BM AM ESM DDM BM AM ESM DDM BM AM ESM PP,

where DDM is Dutil-Dumas Message, created by Canadian scientists Yvan Dutil

Yvan Dutil

Yvan Dutil is a Canadian astrophysicist who, together with his colleague Stephane Dumas, in France: Stéphane Dumas, has created a noise-resistant coding system for messages aimed at communicating with extraterrestrial civilization. This system was used in the creation of messages beamed towards...

 and Stephane Dumas

Stéphane Dumas

Stéphane Louis André Dumas is a French basketball player who currently plays for Blancos de Rueda Valladolid.-Career:...

, BM is Braastad Message, AM is Arecibo Message

Arecibo message

The Arecibo message was broadcast into space a single time via frequency modulated radio waves at a ceremony to mark the remodeling of the Arecibo radio telescope on 16 November 1974. It was aimed at the globular star cluster M13 some 25,000 light years away because M13 was a large and close...

, ESM is Encounter 2001 Staff Message; more details present at Report on Cosmic Call.

Each Cosmic Call 2 session had the following structure:

DDM2 DDM2 DDM2 AM AM AM BIG BIG BIG BM ESM PP,

where DDM2 is modernized DDM, BIG is Bilingual Image Glossary; more details present at Synthesis and Transmission of Cosmic Call 2003 Interstellar Radio Message.

The messages were sent to the following stars:

Name	Designation HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...	Constellation	Date sent	Arrival date	Message
16 Cyg A 16 Cygni 16 Cygni or 16 Cyg is a triple star system approximately 70 light-years away from Earth in the constellation of Cygnus. It consists of two Sun-like yellow dwarf stars, 16 Cygni A and 16 Cygni B, together with a red dwarf, 16 Cygni C...	HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...  186408	Cygnus Cygnus (constellation) Cygnus is a northern constellation lying on the plane of the Milky Way. Its name is the Latinized Hellenic word for swan. One of the most recognizable constellations of the northern summer and autumn, it features a prominent asterism known as the Northern Cross...	May 24, 1999	November 2069	Cosmic Call 1
15 Sge 15 Sagittae 15 Sagittae is a 6th magnitude star in the constellation Sagitta. In 2002, a brown dwarf, 15 Sge b, was discovered around 15 Sge.-15 Sagittae B:...	HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...  190406	Sagitta Sagitta Sagitta is a constellation. Its name is Latin for "arrow", and it should not be confused with the larger constellation Sagittarius, the archer. Although ancient, it is insignificant, for it has no star brighter than the 4th magnitude and is the third smallest of all constellations...	June 30, 1999	February 2057	Cosmic Call 1
	HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...  178428	Sagitta Sagitta Sagitta is a constellation. Its name is Latin for "arrow", and it should not be confused with the larger constellation Sagittarius, the archer. Although ancient, it is insignificant, for it has no star brighter than the 4th magnitude and is the third smallest of all constellations...	June 30, 1999	October 2067	Cosmic Call 1
Gl 777 Gliese 777 Gliese 777, often abbreviated as Gl 777 or GJ 777, is a yellow subgiant approximately 52 light-years away in the constellation of Cygnus. The system is also a binary star system made up of two stars and possibly a third...	HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...  190360	Cygnus Cygnus (constellation) Cygnus is a northern constellation lying on the plane of the Milky Way. Its name is the Latinized Hellenic word for swan. One of the most recognizable constellations of the northern summer and autumn, it features a prominent asterism known as the Northern Cross...	July 1, 1999	April 2051	Cosmic Call 1
	Hip 4872	Cassiopeia Cassiopeia (constellation) Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty. Cassiopea was one of the 48 constellations listed by the 2nd century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today...	July 6, 2003	April 2036	Cosmic Call 2
	HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...  245409	Orion Orion (constellation) Orion, often referred to as The Hunter, is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the most conspicuous, and most recognizable constellations in the night sky...	July 6, 2003	August 2040	Cosmic Call 2
55 Cnc 55 Cancri 55 Cancri , also cataloged Rho1 Cancri or abbreviated 55 Cnc, is a binary star approximately 41 light-years away from Earth in the constellation of Cancer...	HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...  75732	Cancer Cancer (constellation) Cancer is one of the twelve constellations of the zodiac. Its name is Latin for crab and it is commonly represented as such. Its symbol is . Cancer is small and its stars are faint...	July 6, 2003	May 2044	Cosmic Call 2
	HD 10307 HD 10307 HD 10307 is a star similar to the sun in mass, temperature and metal content, situated about 41 light-years from Earth in the constellation Andromeda...	Andromeda Andromeda (constellation) Andromeda is a constellation in the northern sky. It is named after Andromeda, the princess in the Greek legend of Perseus who was chained to a rock to be eaten by the sea monster Cetus...	July 6, 2003	September 2044	Cosmic Call 2
47 UMa 47 Ursae Majoris 47 Ursae Majoris is a solar analog, yellow dwarf star approximately 46 light-years away from Earth in the constellation of Ursa Major. , it has been confirmed that three Jupiter-like extrasolar planets orbit the star...	HD Henry Draper Catalogue The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...  95128	Ursa Major Ursa Major Ursa Major , also known as the Great Bear, is a constellation visible throughout the year in most of the northern hemisphere. It can best be seen in April...	July 6, 2003	May 2049	Cosmic Call 2

See also

• Arecibo message
  Arecibo message
  The Arecibo message was broadcast into space a single time via frequency modulated radio waves at a ceremony to mark the remodeling of the Arecibo radio telescope on 16 November 1974. It was aimed at the globular star cluster M13 some 25,000 light years away because M13 was a large and close...
  
  
• Active SETI
  Active SETI
  Active SETI is the attempt to send messages to intelligent aliens. Active SETI messages are usually in the form of radio signals. Physical messages like that of the Pioneer plaque may also be considered an active SETI message...
  
  
• Communication with Extraterrestrial Intelligence
  Communication with Extraterrestrial Intelligence
  Communication with extraterrestrial intelligence is a branch of the search for extraterrestrial intelligence that focuses on composing and deciphering messages that could theoretically be understood by another technological civilization. The best-known CETI experiment was the 1974 Arecibo message...
  
  
• Interstellar messages

External links

• http://www.activeseti.org/evpatoria.html Discussion of the Call's "Rosetta Stone" and how it was developed
• http://www.cplire.ru/html/ra&sr/irm/CosmicCall-2003/index.html Discussion of the full content of the message
• Report on Cosmic Call