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
>>>>
>>>
>