How much do they cost?
----- Original Message ----- 
From: "Tom Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, August 17, 2011 7:47 AM
Subject: Re: Need suggestions for better mast arrangement to safely raise HF 
screw-driver antenna on RV


>    It's called a Predator, and is made by Bob Atkins (N9JMX), who builds
> them out of his shop in Indiana.
>
> Tom Behler:  KB8TYJ
>
> ----- Original Message ----- 
> From: "Gerry Leary" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, August 16, 2011 10:29 PM
> Subject: Re: Need suggestions for better mast arrangement to safely raise 
> HF
> screw-driver antenna on RV
>
>
>> Which screwdriver do you have?
>> ----- Original Message ----- 
>> From: "Tom Behler" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Monday, August 15, 2011 4:28 PM
>> Subject: Re: Need suggestions for better mast arrangement to safely raise
>> HF
>> screw-driver antenna on RV
>>
>>
>>>    Colin:
>>>
>>> Well, I don't know if I can afford a neumatic mast, but the fiber glass
>>> ones
>>> you suggest might be a possibility.
>>>
>>> However, I think John does bring up a good point about the need for
>>> something conductive, to couple with the vehicle ground.
>>>
>>> Will keep reading this thread with interest.
>>>
>>> 73 from Tom Behler:  KB8TYJ
>>>
>>> ----- Original Message ----- 
>>> From: "colin McDonald" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Monday, August 15, 2011 1:55 PM
>>> Subject: Re: Need suggestions for better mast arrangement to safely 
>>> raise
>>> HF
>>> screw-driver antenna on RV
>>>
>>>
>>>> if you want to spend the doe, get a numatic telescoping mast.  Push a
>>>> button
>>>> inside, the mast goes up, push a button again, and the mast goes down.
>>>> Otherwise, there are linemans telescoping fiberglass polls that work
>>>> quite
>>>> well.
>>>> A friend just bought a 33FT telescoping linemans poll on ebay for $200.
>>>> The
>>>> sections pull out and there is a spring loaded ppin that pops out to
>>>> hold
>>>> the section in place.  The bass is about 3 inches I think.
>>>> Probably way too much for your needs though.
>>>> that sounds like an absolutely monsterous RV...12 feet to the roof 
>>>> line?
>>>>
>>>> 73
>>>> Colin, V A6BS
>>>> ----- 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
>>>>>
>>>>
>>