Message-ID: <495BF2A8.6070907@telus.net>
Date: Wed, 31 Dec 2008 14:31:04 -0800
From: Scott Tilley <sthed475@telus.net>
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Subject: Re: LF: Re: WE2XGR/2 in JT65A mode last night
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Hi David

I've used JT65 to listen to cloud backscatter as well with a small laser 
radar system I built.  If only someone else out here had such a rig :-)

73 Scott



G0MRF@aol.com wrote:
> Interesting result Jim / Jay.
>  
> I assume that the figure that varies between -17 and -23 is the 
> receive value in dB.
> Given the observation about local noise then it may be the case that 
> UK - USA could be achieved with 6 to 9dB less power.
>  
> This is a very efficient mode. The magazine 'Dubus' this quarter has 
> an article on communicating over the horizon with light by reflecting 
> light modulated by JT65 off the clouds.
>  
> Clearly various JT modes are being used at both extremes of the EM 
> Spectrum.  No wonder it's creator also holds a Nobel prize for Physics.
>  
> Happy new year everyone.
>  
> David G0MRF
>  
>  
> In a message dated 31/12/2008 18:20:04 GMT Standard Time, 
> james.moritz@btopenworld.com writes:
>
>     The total number of decodes at this QTH was 14. Most occured
>     between 2348
>     and 0012, when there were 10 decodes out of a possible 13. The
>     first decode
>     occured at 2300 and the last at 0102. So these are over a similar
>     period of
>     time to G3XVL's reception, although differently distributed.
>
>     I think more decodes would have occured if the level of mains
>     noise here
>     last night had been lower. 
>
>