[time-nuts] Freestanding mast
jfor at quik.com
Fri Sep 3 15:14:03 UTC 2010
I've tried balloons for HF wire antennas. Unless you can get a serious
balloon (> several feet in diameter) it's essentially hopeless.
> 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.
> 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,
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