600' of LMR-400 (very good, but affordable coax) has 3.9 dB loss at 28 mhz.
Attenuation at this frequency is 2.147 dB per 100 METERS.
Go to the following web site and it will do the calculations on a wide
variety of coax types that may help you make your decsions.
http://www.timesmicrowave.com/cgi-bin/calculate
73,
hasan, N0AN
----- Original Message -----
From: "Ford Peterson" <ford@cmgate.com>
To: <towertalk@contesting.com>
Sent: Thursday, May 09, 2002 10:49 PM
Subject: [Towertalk] Distance to tower
> My antenna was destroyed last weekend. Bummer. Oh well, time to rebuild.
>
> I'm thinking about 160' of Rohn 45. A 40 - 10 meter yagi will sit at the
> top.
>
> Here's my problem. The ideal location is in a field on the west end of
the
> property. Feedlines will be > 400' to shack #1 and over 600' to shack 2.
> Open lines are awfully bulky and would have to be strung over driveways,
> etc.
>
> Is this manageable with coax? Am I looking at preamps and hardline as the
> only option?
>
> I'm looking for ideas.
>
> Ford-N0FP
> ford@cmgate.com
>
>
>
> _______________________________________________
> Towertalk mailing list
> Towertalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
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