signals

Jon Richards, The SETI Institute The ICE spacecraft (see below) has recently approached Earth close enough to be detectable at the Allen Telescope Array (ATA). We have successfully detected the ICE spacecraft carrier signal using the SonATA (SETI on the ATA) signal detection equipment and will share the details here. The technical community has been all abuzz about the return of the ICE spacecraft, formerly named the International Earth-Sun Explorer-3 (ISEE-3). It was launched in 1978 to study Earth's magnetosphere and its interaction with the solar wind. The ICE spacecraft has been far away and out of contact for a long time... read more ❯