I don't think that it did. I have a feeling that Tom will find that when
tension is put on the wires something will change.
----- Original Message -----
From: "Pat Byrne" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, August 21, 2012 6:02 AM
Subject: Re: G5RV Update
> But if Tom took the reading with the coax disconnected, he wouldn't
> be connected to the R V ground so shouldn't have seen the results he
> saw. And for the life of me I don't understand how mere proximity
> could cause a direct D C short.
> Puzzling.
> PatAt 05:24 AM 8/21/2012, you wrote:
>>Tom,
>>
>>If all the components of the G5 are insulated, I don't see how the antenna
>>being in the proximity of the metal roof or one of the legs wrapped around
>>a
>>metal ladder leg could cause continuity between the two sides of the
>>antenna. I do believe that the antenna wrapped around the ladder leg
>>would
>>most definitely detune it though.
>>
>>Now, if the ladder is connected to ground, perhaps through the metal frame
>>of the R V and the AC power system, and your G5 was actually connected to
>>the ladder through a break in the insulation on the antenna wire and the
>>shield side of your coax wiring in your RV is connected to that same power
>>line ground than you could read a possible short if the ladder side of
>>your
>>G5 was the center of the coax feed line.
>>
>>I don't know anything about RV construction, however if the AC receptacles
>>are mounted in metal electrical boxes and the electrical boxes are mounted
>>to a metal RV frame then the whole metal frame of the RV would be
>>connected
>>to the power line ground because the mounting ears of normal household
>>type
>>receptacles are connected to ground.
>>
>>I know that was poorly written, but read it slowly and I think you will
>>understand my thoughts.
>>
>>73
>>
>>Howard #3
>>
>>
>>
>>
>>
>>----- Original Message -----
>>From: "Tom Behler" <[log in to unmask]>
>>To: <[log in to unmask]>
>>Sent: Tuesday, August 21, 2012 4:42 AM
>>Subject: Re: G5RV Update
>>
>>
>> > Great suggestion, Howard, and I will definitely carry it out.
>> >
>> > Thanks very much.
>> >
>> > Tom Behler: KB8TYJ
>> >
>> > ----- Original Message -----
>> > From: "Howard, W A 9 Y B W" <[log in to unmask]>
>> > To: <[log in to unmask]>
>> > Sent: Monday, August 20, 2012 9:54 PM
>> > Subject: Re: G5RV Update
>> >
>> >
>> >> Tom,
>> >>
>> >> While you have the antenna down, do the following:
>> >>
>> >> 1. Check for continuity from the center pin of the coax connector on
>> >> the
>> >> coax pigtail to each end of the antenna's horizontal elements there
>> >> should
>> >> be continuity to one of them.
>> >>
>> >> 2. Now do the same from the shield side of the coax connector on the
>> >> coax
>> >> pigtail and you should have continuity to the end of the opposite leg.
>> >>
>> >> Alternatively, you could connect the ends of the antenna horizontal
>> >> legs
>> >> together if possible and than check for a short across the coax
>> >> connector
>> >> on
>> >> the end of the coax pigtail.
>> >>
>> >> I am only suggesting this so that you will know that there are no
>> >> breaks
>> >> in
>> >> the connections at each end of the ladder line. Can only do this on
>> >> the
>> >> ground. Impossible to do with the antenna in the air.
>> >>
>> >> 73
>> >>
>> >> Howard #3
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> ----- Original Message -----
>> >> From: "Tom Behler" <[log in to unmask]>
>> >> To: <[log in to unmask]>
>> >> Sent: Monday, August 20, 2012 8:05 PM
>> >> Subject: G5RV Update
>> >>
>> >>
>> >>> Hi, all.
>> >>>
>> >>> Well, tonight, with a little bribery in the form of an ice cream cone
>> >>> on
>> >>> the
>> >>> way out to the RV, the XYL and I took the trip to retrieve the
>> >>> suspect
>> >>> G5RV.
>> >>>
>> >>> The antenna is now right here in front of me, and guess what I found!
>> >>>
>> >>> With the antenna taken down, and now free of any connections, there
>> >>> is
>> >>> an
>> >>> open circuit across the PL259! In other words, no continuity across
>> >>> the
>> >>> connector!
>> >>>
>> >>> So, to me, this would indicate that the antenna is sound
>> >>> electrically.
>> >>>
>> >>> Before putting it up again, of course, I will check all connections,
>> >>> but
>> >>> this, to me, is very encouraging.
>> >>>
>> >>> It also indicates to me that there is a problem somewhere in my feed
>> >>> line
>> >>> system, hopefully not in the feed line that runs underneath the RV.
>> >>>
>> >>> At least, though, I think I've now got the problem isolated in a
>> >>> major
>> >>> way.
>> >>>
>> >>> Will keep everyone posted, but, unless I'm deluding myself, I'm now
>> >>> greatly
>> >>> encouraged.
>> >>>
>> >>> 73 from Tom Behler: KB8TYJ
>> >>
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