Sounds like the time my Dad and I spent hours working on an 80 meter
vertical to no avail... turned out the center conductor on the inside
of the antenna analyzer was broken! Boy was I pissed... ended up
rushing to get everything ready for the start of a contest and I coulda
been napping!
Check your test equipment against a known standard... before you get too
far afield!
GL,
Jim, K4OJ
Scott R. wrote:
> Scott
>
>
>>Your problem is really perplexing. Suggestions: Was the beam
>>functioning OK
>>before the installation of the 10 meter antenna?
>
>
> Unknown, as the 10 meter antenna went on the mast first.
>
>
>>Perhaps the phasing harness
>>is shorting out...it can happen if you don't put some sort of
>>insulation on them. Since the SWR is close to what a bad balun would
>>show, my guess is it is
>>somewhere in the balun/phasing harness coax. I would suggest putting
>>the MFJ
>>259 on a very short piece of coax to the balun to see what you have.
>>Let me know what happens.
>>Bill K4XS
>
>
> We're fairly certain this is not the balun, after trying the stock
> KLM 4:1, a new Radio Works 4:1 and (just for why not? value) a
> Radio Works 1:1. All showed the same results. It didn't seem to
> matter what balun of the 3, or which of the three pieces of coax
> we tried (2 short ones, one long RG213) were connected.
>
> On the phasing harness, the stock separators looked pretty chintzy.
> We ended up adding PVC spacers to the driven element phasing
> harness while the antenna was still on the ground in an attempt
> to keep them from shorting.
>
> Scott W4PA
>
>
> __________________________________
> Do you Yahoo!?
> SBC Yahoo! DSL - Now only $29.95 per month!
> http://sbc.yahoo.com
> _______________________________________________
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
> questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
|