[TowerTalk] Snow and rain attenuation

[J. Hector Garcia XE2K]

Dan:

I have some experience  in the type of link your ISP offer  to provide broadband to you, there are several options in the 5.7-5.8 Ghz , one very popular and easy to install is the Motorola Canopy, that work in  several license free Bands like 900 @ 3mbps  2.4 5.2 and 5.7-.8 Ghz at 10 -20 mbps.   as  you know the ISP always want to use the lowest cost  for the customer installation,    there are other  plataforms in the 5.7 ghz that  need external antennas and can use AMPs like you ISP say  increase power and give more coverage area,   Canopy have and integrated antenna  and to give more  distance need a Directv tipe dish parabolic,  with a pair  a Point to point can gives 35 miles  in the 5 ghz,  point to Multipoint can easy gives 10-20 miles using parabolics

You can ask for a warranty and a try period  ,  but i beleive  you  can   enjoy broadband  wireless, the only worry can be a heavy rain storm     or heavy wind  moving the dish .

if you need more signal  bigger antennas  is the solution.

if you feel is too expensive   check the satellite options .

Hector XE2K



On 31 Oct 2005 08:21 PST you wrote:

> I have been compelled to use dial up ISP service for some time. Recently a
> high speed RF link service has become available. It operates on 5.7ghz. The
> ISP transmitter is located on a mountain top at about 15 miles distance and
> I have line of sight to it. The operator has recently increased power and
> thinks an acceptable signal to my location is available. They are ready to
> test for this.
>   I am concerned that our frequent snow and rain this winter might result in
> unreliable signal levels. The receiver end uses a dish and my experience
> with the Dish TV system is that less than an inch of snow on the reflector
> kills the signal. The ISP antennas on the mountain top are in a snow
> environment all winter for sure. They may have heaters on their antennas to
> solve this problem at that end.
>   Has anyone had experience in a situation like this? Should I stick with my
> dial up?
> 
> 73, Dan, N5AR
> 
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