Making a few assumptions with a little basic math and I am thinking
your antennas take up more than 1/4 mile. I would love to visit this
if you take visitors and I am in the neighborhood. Let me know off
list and if this is secure I understand.
Rich
--- In Thomas Ashcraft
<> wrote:
>
> Rich,
>
> In this instance I wasn't going for lightning specifically. Generally
> when lightning approaches I unlpug my radio observatory but in this
case
> I was in town when the storm happened and I was lucky that my arrays
> were not hit. So this particular recording is kind of an anomaly
but is
> interesting for comparing lightning strength with solar burst
strength.
> The solar burst has more energy that the lightning in this case. I
> think this is a rare recording.
>
> I monitor the Sun (and Jupiter) at multiple frequencies from 50 MHz to
> 18.7 MHz with different radios and antennae cut per specific frequency.
> 22.2 MHz and 22.7 MHz are useful for Jupiter as well as the Sun.
The
> 500 MHz separation in frequency between right and left channels gives a
> spatiality to the reception especially when listening with headphones
> because solar bursts generally pass from high to low frequency so will
> hit 22.7 MHz then a split second later hit 22.2 MHz.
>
> The recording is stereo based so as to accomodate the bilateral body
> limitation of having two ears; two bio-ports into the central nervous
> system.
>
> Feel free to ask further if you want more details.
>
> Thomas
>
>
>
> Rich Peet wrote:
> >
> > Thanks for the post.
> > I have seen little worked here on this group using HF noise
> > translation. Yet, you will find people here that know the basics of
> > what you are doing.
> >
> > We welcome more specifics on the "how to" level, and I wish to know
> > why you choose 22mhz when most of lighting rf work is done a lot
lower.
> >
> > I also have no cocept of what you are calling and capturing as stereo
> > based, at a freq response captured.
> >
> > Thanks for the post and feel free to be more specific.
> >
> > DE
> > KD0AG licensed "advanced" >36 years, with "signal One" gear and I
> > still can hear and plan on that for many more years.
> >
> > Rich
> >
> > --- In
> > <naturerecordists%40yahoogroups.com>, Thomas Ashcraft
> > <ashcraft@> wrote:
> > >
> > >
> > > On the theme of lightning :
> > >
> > > Part of my nature recording is capturing earth and solar system
> > > phenomena using a variety of home-made instruments, some being
> > > non-microphonal. Here is a stereophonic radiotelescope recording
of a
> > > strong lightning storm that gets momentarily overwhelmed by a
powerful
> > > solar radio burst.
> > >
> > > Recorded using two dipole antennas as sensors connected to two
modified
> > > shortwave radios tuned at slightly different frequencies to get a
> > stereo
> > > field. Audio captured into a panasonic stereo VHS recorder.
> > >
> > > http://www.heliotown.com/Specimen_June_21_2005.html
> > <http://www.heliotown.com/Specimen_June_21_2005.html>
> > >
> > >
> > > Thomas Ashcraft
> > >
> >
>
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