[Laser] From Chris Long: SIX new web pages on atmospheric optical
comms.
Phanumas Khumsat
phanumas at gmail.com
Fri May 20 23:00:58 EDT 2005
Dear sir,
Your work is truly impressive, a real record breaker.
Do you think you system can be modified to work for 10Mbps data rate
system at a distance over 5km?
I can't really wait for the details of your transmitter design on your website.
Regards,
Ton
>
> On 5/10/05, Chris L <vocalion1928 at hotmail.com> wrote:
> > Dear group,
> >
> > In response to requests for info on our 167 km optical comms gear used to
> > set the non-coherent light DX record on 19 February, I've put up a family of
> > web pages with pics, text, references, audio grabs and links.
> >
> > Our opening page, with photos of the mountain-top DXpedition on 19 February
> > 2005:
> >
> > http://www.bluehaze.com.au/modlight/index.htm
> >
> > Mike Groth VK7MJ's extensive survey of the theory:
> >
> > http://www.bluehaze.com.au/modlight/GrothArticle1.htm
> >
> > The use of ultrasound in liquid cells to modulate light, and how to buils a
> > 'Jeffree Cell':
> >
> > http://www.bluehaze.com.au/modlight/UltrasoundMod.htm
> >
> > Our receiver circuitry, and an in-depth article on photodiode theory:
> >
> > http://www.bluehaze.com.au/modlight/modlightrx.htm
> >
> > A bibliography of earlu optical (audio) communications 1880 - 1940:
> >
> > http://www.bluehaze.com.au/modlight/ModLightBiblio.htm
> >
> > And finally, a personal account of my own invelvement with modulated light
> > comms since 1968:
> >
> > http://www.bluehaze.com.au/modlight/LongArticle1Jan79.htm
> >
> > Feedback, comments or corrections would be appreciated. All free - please
> > enjoy!
> >
> > All the best,
> >
> > Chris Long, Melbourne, Australia.
> >
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> >
>
>
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