Solar Radio Observations at HF for 09 May 2012
Where needed, additional descriptive information is provided below the images. No audio is available for these charts.
The solar burst shown above shows some complexity at both 19.2 and 25.1 MHz. It peaked at over 22.5 million K at 19.2 MHz.
The solar burst shown above at 1604 was preceded by a burst of radio frequency interference at 19.2 MHz.