I congratulate Whitham D. Reeve for the results he is obtaining with his e-Callisto system:
e-Callisto is an instrument designed by Christian Monstein at ETH Zurich for Solar radio spectrometry in the 45 ~ 870 MHz frequency range.
Please see the e-Callisto network page for more details:
Above is an example of the many interesting Solar spectra Whit shows at:
The antenna and rotator system are described at:
Receiver construction is explained at: