Tommy's right (per normal also). I'd only add that some perspective is good.
On the lower HF bands, more loss on Rx is usually good -- or at least
neutral. It means lower intermod distortion. Your signal and noise
are normally well above the Rx sensitivity threshold.
On Tx, loss means heat. Your 0.2 dB coax connector is dissipating
about 4% of your power -- 40 watts out of 1 kW. That's getting near
what you need to unsolder your connector.
It's possible somebody couldn't make an 80 M contact because of 1 dB
(1/6 S unit) too much loss, but I don't think it's ever happened to
me!
73, Martin AA6E
On Apr 10, 2005 7:21 AM, Tommy <aldermant@alltel.net> wrote:
> Ken is correct (per normal!). When you are setting up a station or antenna
> system, if you pay attention to ALL of the 0.19dB losses in your interface
> cables and your coax, you are building your station interfaces to it's best
> ability, i.e., minimum losses. To me, it is worthwhile to do this 1) because
> you normally only have to do it once (in a great while) and 2) your making
> sure the RF interfaces you build allow you to get the most efficiency out of
> your station set up.
>
> Tommy
>
> W4BQF
>--
martin.ewing@gmail.com
http://blog.aa6e.net
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|