Please pardon the mess … this site is under construction after transfer to new ownership. We’ll be back in gear in no time!

Open Source Radio Telescopes (OSRT) is a database and collaboration center for radio astronomy telescope construction at any level. Join us in our mission to make radio astronomy accessible to everyone — participate by building your own telescope, sharing open-source radio telescope designs and code, and engaging in the OSRT community!


  • Provide a collaborative, open-source collection of ideas and methods for radio telescope construction
  • Accessible to anyone between middle school through graduate levels of education and beyond
  • Promote discussions about digital signal processing and use¬†GNU Radio¬†software with off-the-shelf electronics, such as low-noise amplifiers, filters, and digital signal converters.