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Old 26th Sep 2018, 2:29 pm   #1
turretslug
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Default Vintage ionospheric research snippet

I'm always fascinated by the way in that scientific forensics can shed light on what the layman (i.e. most of us in relative terms!) might think are utterly unrelated subjects, and this is one with a significant "vintage radio" association;

https://www.bbc.co.uk/news/science-environment-45655149

Not to mention a subliminal tribute to John Betjeman....
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Old 27th Sep 2018, 1:49 am   #2
Graham G3ZVT
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Default Re: Vintage ionospheric research snippet

There is only an indirect link to the academic work; it can be found here
https://www.ann-geophys.net/36/1243/...-1243-2018.pdf

It makes you wonder where they found the time, with a war on and all.


"You don't solve town planning problems by dropping bombs all over the place." (David Brent)
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Old 27th Sep 2018, 5:29 am   #3
Radio Wrangler
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Default Re: Vintage ionospheric research snippet

Quote:
Originally Posted by rambo1152 View Post
It makes you wonder where they found the time, with a war on and all.
Well, shortwave radio was used rather a lot by all sides in WWII, and ionospheric measurements are used for propagation predictions leading to knowledge of optimum frequencies to use for contacts, and where best to listen to find enemy traffic.

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Old 27th Sep 2018, 9:28 am   #4
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Default Re: Vintage ionospheric research snippet

Also, there were devices such as surveillance radar (e.g. Chain Home) and Gee that operated at high HF/low VHF whose effectiveness could be considerably effected by propagation- supposedly, Gee's range could extend as far as Northern Italy, several times its "normal" range, under appropriate conditions- although its accuracy inevitably degraded- and this was made use of when possible.
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Old 28th Sep 2018, 10:30 am   #5
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Default Re: Vintage ionospheric research snippet

I seem to recall a recent piece about the effects of all the WW2 bombing resulting in some disruption to the layers. Probably insignificant when compared to the likes of DUGA and HAARP!
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