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Thread: Aurora borealis air sounds heard at ground?

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    Default Aurora borealis air sounds heard at ground?



    Maine, 1950s.
    Jacks's mother was.hing dishes.
    Through her open kitchen window she heard the sounds.
    She knew what they were and told her children to go outside and look at the auroro borealis.
    As a little boy, Jack remembers hearing sounds.

    Anyonelse know about this or has heard the sounds? (I find this more fascinating than the aurora borealæ!)
    Need we be concerned about charged particals reaching us naked observers?

    Thank you.

    Robert

    Wife and I are planning to drive to Wyoming to experience the total solar eclipse on August 21, 2017.
    But if we miss it, there will be another, even closer to Denver, in 2926.
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    Default Re: Aurora borealis air sounds heard at ground?

    I've known of the phenomenon but have not experienced it. Here is a link: Did You Hear the Northern Lights? | National Geographic (blogs)

    The deposition of charged particles into the upper atmosphere can cause electrical discharges which are probably the cause of the sound. So there is no radiation danger when hearing the aurora.
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    Default Re: Aurora borealis air sounds heard at ground?

    Hi Robert and nFa. I remember reading about the natives in norther Finland, who claimed they could hear the Aurora displays. This was in a Sky&Telescope magazine a few years ago, but I cannot find the original article. However, here is a more recent link, at:

    Listening to Sounds of Northern Lights | Geophysics | Sci-News.com

    The Sky&Telescope article explained that the sounds heard may have been created by our ionized atmosphere, very similar to the hum of a fluorescent lamp when turned on, as the internal gases are ionized by the electric current. Also, I remember the openings on the amateur radio bands during an Auroral shower on the 6 meter band (50Mhz). All ham radio operators turned their directional antennas to the NORTH, to make contacts during this phenomenon. When I lived in Illinois, I could never contact a station in Ohio. Either it was too far for "ground wave" communications, or when the ionospheric "sporatic E layer" was active, the "skip" propagation was too far, although stations from the east and west coasts, and sometimes beyond could be contacted. But, I finally contacted an Ohio amateur station during an Aurora display. Also, I have a VLF converter, which allows me to hear the sounds of the aurora on my radio, available here at:

    K1EL Systems - Amateur Radio Kits and Projects

    No software is used, and you only need to have a general coverage shortwave receiver (or a ham radio transceiver with general coverage reception) to use this converter. Also, you can listen to the solar "dawn chorus" and other atmospheric chirps with this instrument. I hope this adds to conversation, and the best of regards to all.
    Last edited by Makuser; 09-21-2015 at 07:05 PM. Reason: Typo
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