Encoding and Decoding the Arecibo 1974 SETI Message
6 min readDec 1, 2020
The reason for this article is, in fact, sad. The world-famous radio telescope of the Arecibo Observatory in Puerto Rico has collapsed and is beyond repair. With a 304 meters diameter, it was the largest radio telescope in the world for many years, with the help of which many discoveries were made. On this Wikipedia image, it is still in working condition:
