NASA Logo, National Aeronautics and Space Administration
Radio JOVE Banner

Three Columns

Welcome to the Radio JOVE Project!

Radio JOVE students and amateur scientists observe and analyze natural radio emissions of Jupiter, the Sun, and our galaxy.

  • Build and use your own Decametric Radio Telescope
  • Share your observations with other project members
  • Teachers, See Our Lesson Plans and other Educational Materials

+ Learn More


[ 19 February 2020 ]
Jupiter Season near Solar Minimum

When the sun is active, as it is near solar maximum, the earth’s ionosphere is heavily ionized during daylight hours (due to solar UV and X-ray emissions). The ionosphere is then opaque to Jovian signals from shortly after sunrise to a few hours after sunset.

Sometimes we refer to a “Jupiter observing season.” At solar maximum the season is only several months long when Jupiter and the sun are far apart in the sky. At solar minimum the season can be almost the whole year long as reception is possible even when the sun and Jupiter are close together in the sky.

During solar minimum the ionosphere can remain transparent for Jovian signals during daylight hours. Although the ionosphere will be transparent and allow Jovian signals through when Jupiter and the sun are close together in the sky, those signals will generally be weaker when Jupiter is at its maximum distance from earth at conjunction compared to when Jupiter is at opposition.

+ Learn More

[ 22 July 2019 ]
Modifying the RJ1.1 Antenna for Jupiter at Low Declinations

Reminder: Jupiter is currently at about -22 degrees declination. Observers in the northern hemisphere should consider adapting the standard dual dipole antenna configuration to lower the main lobe of the antenna beam to the south. See Richard Flagg's earlier newsletter article about adjusting the dual dipole.

the birth of
planetary radio astronomy

photo of 1955 discovery antenna array
Jupiter's natural radio emissions were first discovered near Seneca, Maryland. In 2005, Radio JOVE and the Carnegie Institution Department of Terrestrial Magnetism recognized the 50th anniversary of this discovery and helped publicize this milestone with a variety of events and presentations.


Juno Mission at Jupiter!
artist's concept of JunoFollow the status of NASA's new mission to Jupiter is now making an in-depth study of the gas giant.
The Radio JOVE Bulletin
Our newsletters contain useful and fascinating information for RJers.
Radio Jove Spectrograph Users Group
Globe with locations of SUG members The Spectrograph Users Group (SUG) is a subset of Radio Jove participants who are interested in the dynamic spectra of Jupiter's decametric radio emissions.

The Radio JOVE Project is a joint effort of

NASA Logo -