Re: Carnation to Rattlesnake LOS survey

Dale Smith <dale_smith@...>

... and I forgot to mention how the Fresnel zone affects highly directional antennas. Basically the lower the frequency the wider the Fresnel zone.

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------ Original message------
From: Bob Otis
Date: Sun, Jul 19, 2020 9:06 AM
Subject:Re: [SnoVARC] Carnation to Rattlesnake LOS survey

Try this link - and, no, it doesn't take into consideration "buildings and other obstructions".


-----Original Message-----
From:  On Behalf Of Paul Zoba
Sent: Saturday, July 18, 2020 4:54 PM
Subject: Re: [SnoVARC] Carnation to Rattlesnake LOS survey

Yes, that is a great map. I’m curious what software that is too! Lots of uses for that.
On Jul 18, 2020, at 10:52 AM, Shawn / K7ATA  wrote:

Grr. the screenshot I added didn't go through...resending


> On 7/18/2020 9:58 AM, Shawn / K7ATA via wrote:
> We (K7RWB, W7PFB, K7ATA) recently did a LOS (line-of-sight) survey from the carnation shack to the HAMWAN station atop Rattlesnake Ridge.
> WITHOUT roof access (new locks, new code) we were able to do a verification of LOS with binoculars from the top of the external stairs, and I have also verified using multiple online tools.

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