Fellow TTers:
I once stopped by a QTH in Houston to pick up a radio for a friend in Dallas and
the ham that had been repairing it had a 6 element triband beam at 105 feet. He
had no problem working anyone further away than 2,000 miles, but couldn't work
anyone any closer, he said. He had worked everyone in the eastern hemisphere,
but hardly anyone in the western hemisphere. He said he couldn't never work any
of the Caribbean island countries or anything closer than Argentina in South
America. I mentioned he should just put up a small ring rotator with a small 3
element beam at 60 feet or so and his sigs wouldn't go over the top of anyone
closer.
Don't know if he ever took my advice.
Tom, WW5L
Mike Gilmer - N2MG wrote:
> There's no "limit", per se, but 200 feet is an
> important boundary.
>
> Above 200 feet, or above an imaginary line (picture it
> as a sort of glide slope) that extends from an airport
> at zero-feet elevation to approx 4 miles away at 200-
> feet elevation, you get into special
> reporting/marking/lighting.
>
> Really high antennas are great for line-of-sight work
> (VHF/UHF/up) but not for HF. The take-off angle
> aspects of a 1500ft high 20 meter antenna probably
> make it worthless.
>
> 73 Mike N2MG
>
> On Mon, 10 December 2001, Jerry Kincade wrote:
>
> > With all this talk of 300'+ towers, I seem to remember an FCC-imposed limit
> > of 200' for amateur radio antennas. Don't remember if that's from ground
> > level or above an existing building, or what. I do remember a graduated
> > height limitation based on distance from active runways at airports. Can
> > one, for instance, legally hang a 20M beam at the 1500' level of a 1600'
> > existing tower?
>
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