A Nooelec Sawbird+ H1 acts as preamp and filter for the 1420-MHz hydrogen line signal, which feeds into an RTL-SDR dongle. Careful attention is paid to proper grounding and shielding to keep the ...

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 ...

Example showing how to receive signals with the RTL-SDR in GNU Radio. Session 1. audio ... Session 7 (field trip to the Allen Telescope Array). hydrogen-line. Hydrogen line observation.

rtl-sdr. A simple example showing how to receive signals with the RTL-SDR in GNU Radio ... A demo of a linear array is done to show how beam steering works, and its relationship with interferometric ...