>From: "Robert Chudek" <k0rc@pclink.com>
(snip)
>But that aside, is there a frequency where rain and snow have a significant
>attenuation due to its presence in the path?
>
>73 de Bob - K0RC
...................................
A google Image search using "Attenuation +Rain" provided a lot of
information about path attenuation vs rate of rainfall, vs frequency...eg:
http://sina.sharif.ac.ir/~barkeshli/antennas/review/9510_032.htm
73, DX, de Pat Barthelow AA6EG aa6eg@hotmail.com
>Date: Mon, 31 Oct 2005 11:12:08 -0800 (GMT-08:00)
>From: Bill Jackson <k9rz@radiks.net>
>Subject: Re: [TowerTalk] Snow and rain attenuation
>To: Dan Hearn <dhearn@wwnw.net>, "Towertalk@Contesting.Com"
><towertalk@contesting.com>
>Dan,
>
>I work with 6 GHz point to point microwave systems at the railroad. We do
>not use heated antennas or radomes. However, I would recommend you install
>a dish antenna that includes a fiberglass radome. This will keep ice and
>snow from forming on the feedhorn and reflective surface of the dish and
>will actually lower the amount of wind loading from the antenna.
>
>At 6 GHz, the amount of additional path attenuation due to falling
>rain/snow in the air at 6 GHz is negligible and should not be a concern.
>
>73 de Bill, K9RZ
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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