Thanks, John, de KB8TYJ
----- Original Message -----
From: "John Miller" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, August 26, 2012 2:58 PM
Subject: Re: G5RV Update: Good News!
> At the apartment when I had one up, I think the coil was about 8 inches,
> somewhere between 6 and 8, I was told anywhere from 6 to 10 works and I
> believe I split the difference.
> ----- Original Message -----
> From: "Tom Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, August 26, 2012 2:39 PM
> Subject: Re: G5RV Update: Good News!
>
>
>> John:
>>
>> The piece of coax from the ladder line is only about a foot and a half
>> long.
>> I certainly can do the ten turns of coax with the chunks of coax that I
>> have, or the solid piece that I am considering purchasing. One question
>> is
>> what diameter the coil should be. I have heard 6 inches, but perhaps
>> others
>> have different recommendations.
>>
>> 73 from Tom Behler: KB8TYJ
>>
>> ----- Original Message -----
>> From: "John Miller" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Sunday, August 26, 2012 12:21 PM
>> Subject: Re: G5RV Update: Good News!
>>
>>
>>> Do you have the usually recommended 10 turns where the coax meets the
>>> twin
>>> lead? That might help you tune the rest of 40. I really think all that
>>> extra
>>> coax if there is a lot will hurt, not help you but if you really think
>>> it
>>> helps, 1 peace is always better than a few put together.
>>> ----- Original Message -----
>>> From: "Tom Behler" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Sunday, August 26, 2012 11:20 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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