[Towertalk] Towerbuilding 201
Jon Zaimes AA1K
jon.zaimes@dol.net
Wed, 04 Sep 2002 12:19:41 -0400
> > Further, I suggest you do the calulations for a 70 ft tower
> > guyed 3 ways at 50% of the tower height. I'm sure you will
> > find that the loads placed on the tower are WELL within
> > the R25 ratings and the guy wire ratings assuming a
> > nominal antenna load under 12 sq ft.
The Rohn TVRO specs allow for a 6 ft diameter satellite dish, 48.9 sq. ft
projected area, in 70 mph wind load, on an
80-foot tower with 50% guying -- with 3 guys at just two places, 40 feet
and 80 feet. Similar Rohn 45 allows for 8-ft. diameter
dish of 87 sq. ft.
73/Jon AA1K