Throughout the Cold War’s iciest decades ... Despite existing efforts like the ELINT (electronic intelligence) satellite program Poppy, which could detect and locate Soviet radar emissions ...

That’s the case with [Keplermatik’s] Cold War-era satellite-tracking project, also aptly named Keplermatik. This a build that’s still in progress, which just means you’ve got the privilege ...

but also wrote a fascinating peek into the cloak-and-dagger world of cold-war spy satellites for this month’s IEEE Spectrum. According to [Ivan], the satellite helped the United States to keep ...