(updated 27 Feb 2019)
I will be taking a break this winter. No new tower orders will be accepted between Nov. 1, 2018 and March 15, 2019.
IO-815HD-FM Roof Tower $650 List
Specifications | IO-815HD-FM | Total Height (feet) | Height above Tower (feet) | Max. Antenna Area at 80 mph (sq. ft.) | Recommended Mast |
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List Price | $650 | 8 | 0 | 15 | AL 2"OD .15w | ||
Tower Height | 8 feet (96 inches) | 9 | 1 | 13.3 | AL 2"OD .15w | ||
Base Width | 32 inches | 10 | 2 | 12 | AL 2"OD .15w | ||
Tower Weight | 72 lb. | 11 | 3 | 10.9 | AL 2"OD .15w | ||
Max. Antenna Wind Area at tower top | 15 sq. ft. at 80 mph | 12 | 4 | 10 | AL 2.38"OD .22w | ||
Max. Antenna Wind Area at 6' abv tower |
8.6 sq. ft. at 80 mph |
13 | 5 | 9.2 | AL 2.38"OD .22w | ||
Max. Antenna + Mast Weight | 250 lb., 350 lb. during antenna installation | 14 | 6 | 8.6 | AL 2.38"OD .22w | ||
Tower Top Width | 5 inches | 15 | 7 | 8 | |||
Mast Plate location from Top | 24 inches | 16 | 8 | ||||
Second Shelf location from Top | 41 inches | 17 | 9 | ||||
Bottom Shelf location from Top | 64.5 inches | 18 | 10 | ||||
Maximum Mast Diameter | 2.5 inches | 19 | 11 | ||||
Mast (recommended, not included) | M-96X or M-96X/M-96 telescoped together, 14' max | 20 | 12 | ||||
Fixed Mast Brackets | UMB-2 for 1.9 - 2.375" OD masts (included) | ||||||
Leg material | 6061-T6 aluminum (1/4" thick x 2" angle) | ||||||
Mast Plate material | 6061-T6 aluminum (1/4" thick x 2" angle) | ||||||
Shelf material | 6061-T6 aluminum (3/16" thick x 2" angle) | ||||||
Foot material | 6061-T6 aluminum (1/4" thick x 2" angle) | ||||||
X-Brace and V-Brace material | 6061-T6511 aluminum (3/16" x 2" flat) | ||||||
Assembly Hardware | 5/16"-18 18-8 stainless steel | ||||||
Foot to Leg hardware | 3/8"-16 18-8 stainless steel | ||||||
Lockwashers/nylon locknuts | Yes (specify when ordering) | ||||||
Holes Deburred | Yes | ||||||
Part Edges Deburred | Yes | ||||||
Climbable | Yes - with tower climbing belt or harness | ||||||
Model IO-815HD-FM
contact Roger: email to
rgcox2 (at) gmail.com
Roger Cox, W8IO (ex-WB0DGF) - Spring Lake, MI 49456