[Elecraft] Coax Loss Figures
Samuel Strongin
kf4yox at embarqmail.com
Wed Jun 23 07:21:37 EDT 2010
Let me see spend $4000.00 on a radio So you can hear better, argue over
fine points in the receiver, and THEN go out and get junk cable so you can
save $50.00 . I just can't see the logic.
Sam kf4yox
--------------------------------------------------
From: "Phil Kane" <k2asp at kanafi.org>
Sent: Wednesday, June 23, 2010 12:10 AM
To: "Brett Howard" <brett at livecomputers.com>
Cc: "elecraft" <elecraft at mailman.qth.net>
Subject: Re: [Elecraft] Coax Loss Figures
> On 6/22/2010 8:55 PM, Brett Howard wrote:
>
>> From my calculation a 5:1 mismatch on 100 feet of LMR-400 would
>> still get me 75watts out the antenna at 30Mhz and things only get
>> better as I head down into 20 and 40 meters.
>
> On that basis, see if you can get some 75 ohm "hardline" from
> your local cable company - they are pulling it all out in favor of
> fiber optic cable and throwing it away unless the local hams
> ask for it. We have several hams here who use that to go up
> 70-100 foot towers and get out very well despite the apparent
> mismatch.
>
> -- 73 de K2ASP - Phil Kane
> Elecraft K2/100 s/n 5402
>
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