Howard:
Thanks for the vote of confidence.
The short from last week-end is still a bit puzzling, but I am wondering if
it was just the way the antenna was configured, and whether somehow, the two
legs got crossed up on the manager's RV roof.
Anyway, it's onward and upward from here.
Tom Behler: KB8TYJ
----- Original Message -----
From: "Howard, W A 9 Y B W" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, August 26, 2012 11:08 PM
Subject: Re: G5RV Update: Good News!
> Tom,
>
> That is great that you have made progress on the G5 and it seems to work,
> at
> least somewhat.
>
> I think adding the 70 feet of coax in one piece instead of several will
> possibly fix your problems. My G5 tunes the full bands on 160, 80, 40,
> 20,17, 15, and 10. I have not tried 30 or 12. I will admit that it is a
> double size, 204 feet and is up at 70 feet in the center and about 15 to
> 20
> feet at the ends. The window line hangs down parallel to a tower located
> about a foot away.
>
> I feel you are well on your way to getting this thing whipped.
>
> Still curious as to the reason for your dead short last weekend.
>
> 73
>
> Howard #3
>
>
>
> ----- Original Message -----
> From: "Tom Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, August 26, 2012 10:20 AM
> Subject: G5RV Update: Good News!
>
>
>> Hi, all.
>>
>> Well, I have some good news on the RV G5RV front this morning.
>>
>> Yesterday, I did a bunch of checking on feed lines, etc., and since all
>> looked ok from a continuity stand-point, I took the leap and put the G5RV
>> up
>> again. This time, it is in some trees, and pretty much in the clear from
>> nearby RV's and other metal structures. The center is not that
>> high--probably only about 20 feet, and the ends are probably about 20
>> feet
>> high as well. The ladder line comes down at about a 45-degree angle to
>> the
>> feed line connection point in a tree just to the back of my RV at about
>> head
>> level. The antenna orientation is northwest to southeast. I lashed
>> together about 50 feet of coax jumpers that I had lying around to add to
>> the
>> 15 or 20 feet of coax that runs from the antenna connector on the back
>> corner of the RV, to my operating position inside.
>>
>> I found that the antenna tunes, using the auto-tuner on the TS480, on
>> 10,
>> 15, 20, the upper half of 40, and the lower half of 80. At one point, I
>> actually got it to tune on the lower end of 40, but after doing some
>> other
>> things, have not been able to replicate that condition.
>>
>> The antenna does seem to get out. I worked a bunch of stations for the
>> Kansas QSO Party on 20, and probably jus as many for the Ohio QSO Party
>> on
>> 40. In fact, I worked one station right after Steve (KW3A) worked them.
>> On
>> 20 meters, I also worked into Europe both on SSB and CW. The signal
>> reports
>> I got were good, for the most part.
>>
>> So, now, I am in tweaking mode. Do you guys have any ideas for getting
>> the
>> antenna to tune on the lower part of 40 meters? I have seriously thought
>> of
>> purchasing a nice solid 50-foot chunk of RG8X coax, and putting that in
>> the
>> feed line system, in hopes that it might do better than the
>> lashed-together
>> arrangement that I currently have.
>>
>> One specific question I also have is this--where do I put the excess
>> coax?
>> Do I put it outside near the RV antenna connection, or inside the shack
>> at
>> the transmitter--or, doesn't it matter?
>>
>> I won't be out at the RV next week-end for Labor Day, because the XYL and
>> I
>> will be traveling to Missouri to visit our son and his family, but I will
>> be
>> out there the week-end after that, and hopefully, for the remaining
>> week-endss in September before they close down the camp ground.
>>
>> Any thoughts or suggestions for improving the performance of this antenna
>> would be appreciated.
>>
>> 73 from Tom Behler: KB8TYJ
>
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