Sorry for the delay --- this message came in 2 days ago from the head of the e-Callisto Network.
We just got a x-ray M-flare connected with strong radio bursts on all bands. Please check your Callisto instruments to observe the activity. Attached an example from TCD in Bir, Ireland
(1) Strong radio bursts on April 11, 2013, 06:59:37, CALLISTO, staion TCD in Bir, Ireland )
If you want to read the original newsletter, click here.