HSMM and balloons

[Louis Mamakos]

Not if you're using 802.11 Wi-Fi radios at 2.4GHz. 

http://en.wikipedia.org/wiki/Hidden_node_problem

On Oct 20, 2012, at 4:47 PM, Martin <dcmk1mr2 at gmail.com> wrote:

> There was talk over tacos today of using a balloon to get a mesh
> router to some altitude.
> 
> Federal and local regulations apply to  balloon operations.  There is
> FAR 101 that limits moored balloon operations to an altitude of 500 ft
> with many restrictions.  A FAA NOTAM issued in 2009 forbids moored
> balloon operations within the DC FRZ.  I believe these restrictions
> can be violated with a waiver from the FAA and coordination with local
> ATC.  A local business routinely gets waivers to fly a large balloon
> in the area for photographic purposes (http://www.airphotoslive.com/).
> 
> Chloroprene rubber balloons are used for advertising and such. They
> will outlast a plain latex balloon and should last several days if
> needed.  They go for about $30.  A WRT54GL runs for about four hours
> on a set of eight "AA" NiCads.  A WRT54GL weighs about 14 oz and the
> batteries weigh about 8 oz.  That takes a 5' balloon and about 40
> cu-ft of He.
> 
> It sounds like a fun experiment in the right setting.
> 
> Martin
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