San Marino Scale

The San Marino Scale is an attempt to news, particularly in the context of the Active SETI or METI (Messaging to Extra-Terrestrial Intelligence), sent into space from Earth to quantify. It is mainly used by members of the SETI program.

History

The San Marino Scale was the first time in March 2005 by Ivan Almar on the 6th World Symposium on the Exploration of Space and Life in the Universe in San Marino ( hence the name ) is presented. In September 2007, the IAA SETI Permanent Study Group, the San Marino Scale adopted at a meeting in Hyderabad, India, officially as a tool for the analysis of transmissions from Earth to. Under the direction of Prof. Almar work since the members of the IAA SETI Permanent Study Group on refining the San - Marino- scale, in particular by more objectivity into the individual evaluation criteria to bring.

Importance

Assuming you have decided to send a message into space, there is controversy about how such a message should be wired. How should the transmission and what information they should contain? How far humanity is to reveal potential aliens? To assess the degree of this revelation, the San Marino Scale was created. It should help to bring different content in a scientifically sound relationship. In addition, sending messages into space poses certain dangers. The San - Marino- scale is to help evaluate the risk.

Assessment

The San Marino Scale is based in their bases on the Richter scale ( scale used to assess the magnitude of earthquakes ). Your calculation system is strongly dependent on the Torino scale ( scale used to assess the threat posed by near-Earth asteroids ) and the Rio Scale ( scale used to assess the consequences of the discovery of an extraterrestrial signal ), which is also partly based on the Richter scale, borrowed. It uses, as the two scales aforementioned, a two-dimensional calculation system in which the signal strength relative to the page, is associated with the nature and information content of the message, on the other hand, in relation to the background radiation of our sun. The San Marino Scale is then defined mathematically as follows:

SMI = I C

In this formula, SMI stands (San Marino index ) for the value on the San Marino Scale. I stands for the signal strength relative to background radiation of our sun and at the same frequency bandwidth as the signal. C stands for the characteristics of the message with respect to their information content. In particular, C is a very subjective point of view and therefore requires a permanent revision and refinement, which can lead to the classification of a message on the San Marino Scale may change with time.

Rating scale

The rating scale of the San Marino Scale is very closely related to the rating scale of the earlier, also under the relevant participation of Ivan Almar, created Rio Scale. A crucial difference is that the San Marino Scale at 1 instead of 0, to start, because each transmitted signal already reveals on its own information, without that you have decrypted the content. For example, the direction from which the signal comes or the transmission method can give clues to the origin, the technological evolution of the sender. Therefore, in the San Marino Scale would be a level 0, which absolutely no relevance describes meaningless.