Turning a wok into an entry-level radio telescope doesn’t appear to be ... Aside from the wok, which serves as the main reflector, you’ll need a bit of coaxial cable and some stiff copper ...

Foil-lined foam insulation board, scraps of lumber, and a paint-thinner can hardly sound like the tools of a radio astronomer. But when coupled with an SDR, a couple of amplifiers, and a fair ...