[time-nuts] Freestanding mast

Bob Camp lists at rtty.us
Fri Sep 3 15:56:57 UTC 2010


Hi

Same thing is true for kites. I have a couple that you tie off to the hitch on an SUV that will do the trick. Small simple kites won't lift a lot of weight or tolerate a lot of added drag.

Bob



On Sep 3, 2010, at 11:14 AM, "J. Forster" <jfor at quik.com> wrote:

> I've tried balloons for HF wire antennas. Unless you can get a serious
> balloon (> several feet in diameter) it's essentially hopeless.
> 
> -John
> 
> =================
> 
> 
>> You could try a box kite,
>> or a tethered balloon.
>> An interesting project would be a computer controlled kite
>> servoed to hold a constant position.
>> Or a sky hook?
>> What about a remote site with a radio or laser link to your QTH?
>> The more ideas that you start with the more likely you will find a
>> good solution.
>> cheers,
>> Neville Michie
>> 
>> 
>> 
>> On 03/09/2010, at 3:08 PM, Charles P. Steinmetz wrote:
>> 
>>> Stanley wrote:
>>> 
>>>> ROHN 9H50 34 Foot Telescopic TV Wireless Antenna Push Up Mast
>>> 
>>> Interesting suggestion.  Rohn is well known to me, though I don't
>>> typically think of them for things like push-up masts.
>>> 
>>> For those suggesting 6-10' of pipe, at my rooftop I get a reception
>>> cone of about 50 degrees elevation and above during the vegetated
>>> months (say, mid-March through mid-November), and about 30 degrees
>>> and above in the dead of winter, due mostly to dense tree cover
>>> that is 60-80 feet tall.  So, I'd really need to get 20 feet +
>>> above the chimney (50+ feet above the ground) for a significant
>>> improvement.  The suburban residential lot size doesn't leave me
>>> much to work with (no centrally-located tower, therefore no guys
>>> unless I negotiated easements with the neighbors, and Hell will
>>> never be that cold...).  I doubt I could get a permit for 80' of
>>> Rohn 55.  Maybe if I put a wind generator on it....
>>> 
>>> Thanks again,
>>> 
>>> Charles
>>> 
>>> 
>>> 
>>> 
>>> 
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> 
> 
> 
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