WA Radio Scanner Users' Group

Space Weather News for March 28, 2011
http://spaceweather.com

SOLAR RADIO STORM: A profusion of emerging sunspots has kicked off a days-long radio storm on the sun. VHF receivers on Earth are picking up loud bursts that sound like waves crashing on a beach. This ongoing event continues a recent trend of increasing activity as Solar Cycle 24 heats up. Check http://spaceweather.com for audio and images of the instigating sunspots.

SOLAR RADIO STORM: Did you know sunspots can make noise? Consider the following: "Over the past few days, I have been recording a sustained solar radio storm at 180 MHz," reports amateur radio astronomer Thomas Ashcraft of New Mexico. "It consists of Type I radio bursts and sounds like ocean surf. Here is an audio sample from March 27th at 1930 UT. The sun seems to be entering a new phase of dynamism."

Radio emissions like these are caused by plasma instabilities in the sun's atmosphere above sunspots. With the sun becoming 'radio-active,' it's no coincidence that sunspots are emerging in abundance. Leading the way is behemoth active region AR1176,