If you're measuring the SWR at the SHACK end of the coax, the numbers
mean only that the feedline, radials, and vertical element look 'good'
to the meter.
You might try to measure the IMPEDANCE at the feedpoint (tall ladder?)
to get a real look at what you have.
73
Don
N8DE
Quoting Tom Osborne <w7why@frontier.com>:
> Hi All
>
> I just put up an elevated 40 meter vertical. The feedpoint is around 15
> feet or so up and I have 8 radials on it right now. I cut the radials the
> same length of the vertical section. I have a coil of around 8 turns of
> coax for a choke.
>
> It works good, as the first day I put it up, I worked some Europeans from
> here in Oregon.
>
> The thing that seems strange is that at the low end of 40, the SWR is around
> 1.3:1. As I go up the band, it goes up to about 1.5:1, then when I get to
> the top of the band, it goes back down to 1.2:1.
> Is that because some of the radials are resonating at different parts of the
> band?? 73
>
> Tom W7WHY
>
>
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|