[TowerTalk] Second Tower Placement Recommendation
David Gilbert
xdavid at cis-broadband.com
Thu Sep 5 12:20:19 EDT 2019
If I had that kind of available tower height and the flexibility to
place them that you do, I'd make the 2nd tower also 150 feet tall and
position it such that a rope between it and the 1st tower pointed to
Europe, with enough distance between the two towers that I could string
Inverted-V elements for either 80m or 160m to make a 3-element wire Yagi
hung from the rope. The coax to the driven element could be run back
along the rope to one of the towers.
73,
Dave AB7E
On 9/5/2019 6:51 AM, Keith Dutson wrote:
> About 20 years ago, after erecting a 150 foot tower (Rohn 45G equivalent), I
> was inspired to continue toward a multi-multi station. I began to look for
> and purchase other towers and antennas. So far, I have 320 feet of Rohn 55G
> and 56 feet of Rohn HDBX. These sections have been stacked under an oak
> tree for many years. I also acquired about 10,000 feet of used Phillystran,
> and about 2000 feet of new old stock Andrew LDF50A coax, the longest piece
> being 500 feet. Plans to erect got halted by heart arterial bypass surgery.
>
> Well, 13 years after surgery I am still here, and in excellent shape. So, I
> am thinking of putting up at least one more tower, and making do with a
> multi-two station. The new tower may be a 200 footer, but I am also
> thinking of a 120 footer, which would be easier to maintain, and may be
> ideal to place my M2 40 meter 4el antenna (40M4LLDD). I have 16 acres, so
> placement can be flexible. The existing tower is less than 30 feet from the
> shack. I am thinking the second tower should be no more than 200 feet to
> cut down on signal loss. I am wondering if this is a practical limit, and
> how far from the existing tower it should be located. Suggestions and
> recommendations are welcome. Thanks.
>
> 73, Keith NM5G
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