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Re: [TowerTalk] PL259 Insertion Loss?

To: Tony <>
Subject: Re: [TowerTalk] PL259 Insertion Loss?
From: Jim Lux <>
Date: Sat, 14 Jan 2012 15:05:15 -0800
List-post: <">>

On Jan 14, 2012, at 8:59, Tony <> wrote:

> All,
> I've always assumed that UHF connectors had negligible insertion loss 
> below 30MHz, but I recently spotted a couple of quotes on the web that 
> put losses between 0.3 and 0.5db @ 30Mhz. If that were the case, the 
> cumulative effect of a typical installation with 6 to 8 connectors would 
> not be so negligible, especially on 10 and 12 meters.
> I was wondering if anyone has done any tests of their own or if they 
> know of a reliable source on the web for this kind of data? Another 
> thing that comes to mind is whether there is any additional losses 
> associated with UHF crimp-on connectors?

Be careful about spec sheets.  They often give a number that is essentially the 
testing limit.. A tested and guaranteed number as opposed to what the actual 
performance is.

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