That's what I ran at my last apartment, and that was including what I coiled 
up where the twin lead met the coax and that worked fine
----- Original Message ----- 
From: "Tom Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, August 21, 2012 9:17 PM
Subject: Re: G5RV Disappointment


>    Probably about 50 feet.
>
> Tom Behler: KB8TYJ
>
> ----- Original Message ----- 
> From: "George" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, August 21, 2012 8:48 PM
> Subject: Re: G5RV Disappointment
>
>
>> how much coax did you use?
>> ----- Original Message ----- 
>> From: "Tom Behler" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Sunday, August 19, 2012 11:48 AM
>> Subject: G5RV Disappointment
>>
>>
>>> Hi, all.
>>>
>>> Well, I tried the G5RV out at the RV over the week-end, and alas, no 
>>> joy.
>>> I
>>> have some theories about what the problem was, which I'll get to 
>>> shortly.
>>>
>>> First, the good news:  The camp site manager had absolutely no problem
>>> with
>>> my putting up the antenna, and in fact helped with our initial
>>> installation.
>>> So, at least I know I'm good to go if I want to try something else out
>>> there.
>>>
>>> Since the guy was nice enough to help with the installation, I decided 
>>> to
>>> go
>>> ahead with his initial suggestion of putting the center on top of his 
>>> RV,
>>> which is about 50 feet from ours, and much higher than ours.  The legs 
>>> of
>>> the antenna then went across his roof on each side to adjacent trees. 
>>> He
>>> did wrap one part of one leg  around the railing of his RV ladder to 
>>> keep
>>> things in place.  The ladder line then came down from the center of the
>>> antenna on about a 45 degree angle to the PL259feed point connection on
>>> my
>>> RV.  I'd say the center of the antenna was up about 30 feet, with the
>>> legs
>>> up about 15 to 20 feet on adjacent trees.
>>>
>>> Overall, my SWR's must not have been good, because the only band I could
>>> get
>>> the TS480 auto-tuner to tune it on was 10 meters.  Everything else gave
>>> me
>>> the SWR no-tune reading.
>>>
>>> As for what might have gone wrong, I eliminated a number of
>>> possibilities:
>>>
>>> 1.  I checked my feed line on the RV, and all other jumper connections,
>>> for
>>> electrical integrity, and they were fine.  I then physically checked the
>>> connections on the G5RV itself, and they  looked fine.  I had my XYL
>>> confirm
>>> this visually as well.
>>>
>>> As for what could have gone wrong, then, my theory is that perhaps the
>>> roof
>>> on the manager's RV was metal, or had metal in it, which served to
>>> de-tune
>>> the antenna.  Wrapping one leg around the RV railing for a turn or two
>>> also
>>> might have thrown things off.
>>>
>>> Finally, I did one thing in the way of continuity checking that I want 
>>> to
>>> be
>>> sure of with you G5RV experts out there.  When you do a continuity check
>>> of
>>> the G5RV on the PL259 end, is it correct that you get electrical
>>> continuity
>>> across the coax connector?  In other words, when I took my continuity
>>> checker, put one lead on the center conductor, and the other on the 
>>> outer
>>> shield of the connector, I got continuity.  I assume this indicates that
>>> I
>>> have an electrically complete antenna.  Please correct me if I'm wrong 
>>> on
>>> this.
>>>
>>> All in all, it was a rather disappointing situation, but if we can get
>>> out
>>> to the RV next week-end, we'll try something else, perhaps in nearby
>>> trees
>>> if we can figure out a way to get the center up at a reasonable height.
>>>
>>> 73 from Tom Behler: KB8TYJ
>>