9
Add-on Tray’s
28 lb
Elevation
(deg)
80
0
2507
20
1956
40
1128
3.1m BallastC hart
B alla
W
1.8m Ballast Chart
Elevation
(Degrees)
Ballast Required (lbs)at
Speci
fi
c Wind Speed (mph)
22°
40°
60°
80 mph 100 mph 125 mph
634 lbs
494 lbs
285 lbs
1370 lbs
1069 lbs
617 lbs
2520 lbs
1966 lbs
1134 lbs
2.4M offset Ballast
Chart
Elevation
(Degrees)
Ballast Required (lbs)at
Speci
fi
c Wind Speed (mph)
22°
40°
60°
80 mph 100 mph 125 mph
1240 lbs
967 lbs
558 lbs
2435 lbs
1900 lbs
1095 lbs
4303 lbs
3356 lbs
1936 lbs
3.1m Ballast Chart
Elevation
(Degrees)
Ballast Required (lbs)at
Speci
fi
c Wind Speed (mph)
80 mph 100 mph 125 mph
0°
20°
40°
2507 lbs
1956 lbs
1128 lbs
4500 lbs
3510 lbs
2025 lbs
7613 lbs
5939 lbs
3426 lbs
Ballast Requirement Charts
1. Determine the Wind Speed requirement for the installation, and the Elevation Angle of the antenna.
2. Look up the required ballast for the antenna size being used.
3. Load the Base Trays with the required ballast using 4 x 8 x 16in solid cement blocks.
