A sample of a Solar Type II radio burst observed by Thomas Ashcraft on November 28, 2023. The audio was recorded at 20.1 and 20.8 MHz on two separate short wave radios. Click on the spectrogram of the burst to listen.
A sample of a Solar Type III burst recorded at 20.1 MHz from Windward Community College on September 21, 2000. Click on the stripchart of the burst to listen.
A sample of a Solar Type III burst recorded at 20.1 MHz from Highworth UK on July 28, 2003. Click on the stripchart of the burst to listen.