[TowerTalk] PL259 Insertion Loss?

[Jim Lux]

On Jan 14, 2012, at 8:59, Tony <dxdx at optonline.net> 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.