Yes you are correct.  I am sorry I gave wrong info.
----- Original Message ----- 
From: "Butch Bussen" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, August 16, 2011 6:00 AM
Subject: Re: Need suggestions for better mast arrangement to safely raise HF 
screw-driver antenna on RV


>I didn't think that extension was available any more, not sure.  One
> thing is that that doesn't change the ground side.  This extension is
> hot, it is part of the  hot side of the antenna.  What it does do is
> give you more radiation surface in the high current region below the
> coil.
> 73
> Butch
> WA0VJR
> Node 3148
> Wallace, ks.
>
>
> On Mon, 15 Aug 2011, Gerry Leary wrote:
>
>> Well you can buy a 2 foot extension for the bottom of the screwdriver if 
>> it
>> is a high sierra, and that will change the ground side or the feed side 
>> of
>> the antenna.  It will change the way you tune.  The other thing you could 
>> do
>> is to get a section of very heavy PVC pipe and raise it that way.
>> ----- Original Message -----
>> From: "John Miller" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Monday, August 15, 2011 11:48 AM
>> Subject: Re: Need suggestions for better mast arrangement to safely raise 
>> HF
>> screw-driver antenna on RV
>>
>>
>>> telescopic would be best I'd say though also you need something 
>>> conductive
>>> because it needs the vehicle ground. If you have something 
>>> nonconductive
>>> right now, that's your problem.
>>> ----- Original Message -----
>>> From: "Tom Behler" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Monday, August 15, 2011 10:00 AM
>>> Subject: Need suggestions for better mast arrangement to safely raise HF
>>> screw-driver antenna on RV
>>>
>>>
>>>> Hi, all.
>>>>
>>>> Well, I attempted to check into yesterday's 20-meter Cross-Country 
>>>> blind
>>>> ops
>>>> net from the RV, but was not successful.
>>>>
>>>> I believe my screw-driver antenna simply is not high enough on the back
>>>> of
>>>> the RV to allow me to get out well.
>>>>
>>>> The antenna is mounted with u-bolts on the back bumpber on a piece of
>>>> pipe
>>>> that is probably about thre or four feet high.  This gets part of the
>>>> screwdriver antenna and whip above the roof line of the RV, but it does
>>>> not
>>>> get it completely above the roof line by any means.  The RV is
>>>> approximately
>>>> 12 feet high.
>>>>
>>>> Originally, I had used an arrangement with a longer piece of mounting
>>>> pipe,
>>>> but it turns out that the pipe was de-tuning the antenna, especially on
>>>> 10
>>>> and 15 meters.
>>>>
>>>> So, my question is this:  Does anyone know of a fiber-glass or other 
>>>> type
>>>> of
>>>> non-conductive mast that I might try to get the screw-driver up higher?
>>>> Obviously, I want to be safe here, and don't want to have to mess with
>>>> guys.
>>>>
>>>> Something telescopic might be the best, but again, I would think it 
>>>> would
>>>> have to be of fairly high quality.
>>>>
>>>> If anyone has any suggestions, I'll save them for future reference.
>>>>
>>>> Due to a number of other things going on right now that will put a 
>>>> crimp
>>>> in
>>>> the budget, I probably won't be able to do anything until next year's
>>>> camping season, but it's always good to start thinking and planning in
>>>> advance.
>>>>
>>>> 73 from Tom Behler:  KB8TYJ
>>
>>