W8IO roof tower

W8IO Rooftowers LLC - 6 foot Ham Roof Tower

(updated 10 Oct 2023)

IO-610 Ham Roof Tower       


Tower Height 6 feet (72 inches)
Shipping Weight 32 lbs.
Base Width 27 inches
Max. Antenna Wind Area at tower top 10 sq. ft. at 80 mph
Max. Antenna + Rotor + Mast weight 150 lbs.
Tower Top Width 5 inches
Rotor Plate location from Top 41.5 inches (bottom shelf)
Maximum Mast Diameter 2.5 inches
Maximum Mast Length 7 feet (84 inches)
Rotor Mounting Options Hy-Gain or Yaesu
Thrust Bearing Mounting Options Yaesu GS-065 or GS-050
Fixed (non-rotating) Mast Option UMB-1
Leg and shelf material 6061-T6 aluminum (1/8" thick x 2" angle)
Foot material 6061-T6 aluminum (1/4" thick x 2" angle)
X-Brace material 6061-T6511 aluminum (1/8" x 2" flat)
Assembly Hardware 1/4"-20  18-8 stainless steel
Foot to Leg hardware 5/16"-18  18-8 stainless steel
Lockwashers/nylon locknutsYes
Holes Deburred Yes
Part Edges Deburred Yes
Climbable Yes - with tower climbing belt or harness

W8IO 6 foot roof tower  W8IO 6 foot roof towerW8IO 6 foot roof tower

                     Model IO-610 

The IO-610 is perfect for small and moderate sized HF beam antennas such as the Hy-Gain Explorer-14, Hy-Gain TH3Mk2, Mosley CL33M, TA33M, TA34XL, KIO 5-band Hex Beam, Traffie Tech HX-5Bi, DX-Engineering HEXX beam, K4HEX hexagonal beam ...    

Wind Calculations for IO-610

Assembly and Installation Manual for IO-610 (6 foot) roof tower 

Model IO-610 Manual 18Apr17

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contact Roger: email to 

rgcox2 (at) gmail.com

Roger Cox, W8IO (ex-WB0DGF) - Spring Lake, MI 49456