[Laser] Member list

[Terry Morris]

>From: Art <KY1K at verizon.net>
>Reply-To: Free Space LASER Communications <laser at mailman.qth.net>
>To: Free Space LASER Communications <laser at mailman.qth.net>
>Subject: Re: [Laser] Member list
>Date: Wed, 06 Jun 2007 18:38:57 -0400
>
>
>>  I have been retired from Northrop Grumman Electro-Optical Systems for 
>>about a year.
>
>Do you have the locations of their dumpsters where they throw out goodies 
>that they're tired of storing?
>
>Sorry Art the dumpsters are under heavy guard, which is a shame, you 
>wouldn't beleve what I have seen going to the grinder.

>>  NLOS also sounds interesting, but Arizona has a shortage of clouds most 
>>of the year.
>
>
>Clouds?? Who said NLOS involves clouds? While some might say clouds are the 
>only practical NLOS mode (where 2 way communication has been completed), 
>NLOS is a broad category that could involve knife edge refraction, airplane 
>scatter or reflections, refractions or ducting that exist in the atmosphere 
>between the ground level and the edge of space.
>Yes I know you don't have to have a cloud, but can use scattering a shorter 
>wavelengths, but I would think the receiver optics become fairly large to 
>get much distance and bandwidth.

>Water vapor is the primary scattering mode in the atmosphere at visible 
>wavelengths, so the dry air that exists there is a blessing, not a curse. I 
>think other states might have long line of sight paths as well, but that 
>they are not usable for optical communications because of the water vapor 
>in the lower atmosphere.
>
>>However we do have a lot of mountains for long LOS links. Only problem is 
>>like the Tango it takes two to play. So is there anyone on the list in the 
>>Phoenix Area.
>
>Welcome Terry, ask on the list, I think there are a few laser people in AZ. 
>And send some of that clear air eastward please.

I'll tade you for a little of you rain and cool temps, yesterday it was 109 
F here, just getting started.

73
Terry W5TDM
>
>Regards,
>
>Art (in Maine).
>
>
>
>
>>73
>>Terry W5TDM
>>
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