Solar Radio Observations at HF for 14 May 2012
Where needed, additional descriptive information is provided below the images. No audio is available for these charts.
The chart above shows a nice solar burst at 0455:45 that reached about 23 million kelvin and with a very fast sweep from 19.3 to 24.9 MHz.
The solar burst shown in the chart above is weak compared to the one shown previously but the characteristics show the "shark fin" shape.