Amateur Radio Towers

Telescopic Towers – Guyed and Unguyed

Aluma proudly offers aluminum guyed and unguyed towers as an efficient solution to meet any of your ham radio, HF, or UHF/VHF requirements. The lower section can be bracketed to a suitable structure rather than guyed, ensuring solid lateral support for your tower.

We offer two, three, and four section towers, comprised of telescoping sections, rising to 30 – 100 feet.  Our ham radio tower models are constructed of extruded 6061-T6 tubing, both lightweight and strong. Tower sections are manually welded by certified welders using the TIG (Tungsten Inert Gas) welding process. All towers are rigged to allow the sections to telescope simultaneously, using stainless steel cable and pulleys. Aluma towers are designed according to the TIA-222-G Structural Standard for antenna supporting structures and antennas.

Aluma includes the following standard features with your tower:

  • Tilting base: either our unique H-type hinge base or T-type tilt base (fixed base can be substituted at no charge) For permanent applications, the tower base is attached to a concrete pad. For temporary applications, an optional temporary base is available for quick, short-term deployment, such as field day, emergency operations, or mountain-top operation.
  • Aluma’s engineered building brackets provide six inches of standoff for attachment to a suitable structure (house, barn, shed, etc.) against one side of the tower (custom brackets are available for an extra fee)
  • All tower hardware, including stainless steel rigging, and cables and pulleys
  • Zinc-plated hand crank worm gear winch (electric winches, both DC and AC, are available)
  • Welded aluminum guy ears at the top of each section, color-coded to Aluma’s guy wire systems (guy wires sold separately)
  • Aluminum masts for easy attachment of antennas or instrumentation
  • Safety stop latch to remove tension on cables and eliminate unwanted retraction
  • Updated aluminum rollers to facilitate smooth extension and retraction

Aluma products designed for Amateur Radio Operators are available for download:

• Towers Amateur Radio Operator • TM-12 Amateur Radio Operator

Standard Duty HN

18 sf wind load        125 lb of payload          70 mph

Standard Duty Models for Amateur Radio applications: T-40HNT-50HNT-60HNT-75HNT-100HN

The HN series is designed to accommodate antennas with large wind surface areas of up to 18 sq. ft (1.6723 m²) and 125 lb (56 kg) of maximum payload capacity. They are tested with these loads at wind speeds of 70 mph (112.65 kph). Payload is equal to the total weight of the antenna(s), rotator, and the mast.

These models are equipped with a universal rotor plate welded in place to accommodate a large variety of commercially available rotors, Hygain (up to Ham IV) and the Yaesu 800-1000, enabling the orientation of a beam or other directional type antenna. All tower packages include a heavy-duty 8 ft (2.4384 m) mast 2 in (5.0800 cm) diameter and 1/8 in (0.31750 cm) wall, guy ears on each section, an engineered building bracket, and tilt base which allows tower tilt over to ground level.

The “N” indicator on model numbers denotes the capacity of the tower to be fully nested when a rotor is installed on the top section.  This is a special feature only available for Amateur Radio models.

Tower Model

T-40HN

T-50HN

T-60HN

T-75HN

T-100HN

Aluma Part No. 900051 900054 900056 900058 900456
Sales Drawing QS-1616 QS-1319 QS-1229 QS-1231 QS-1027
Tower Construction(No. of Section / Section length) 2 / 20 ft 2 / 25 ft 3 / 20 ft 3 / 25 ft 4 / 25 ft
Number Of Section 2 2 3 3 4
Tower Sections B, C B, C B, C, D B, C, D B, C, D, E
Length Of Each Section 20 ft 25 ft 20 ft 25 ft 25 ft
Maximum Height W/ Mast 40 ft 50 ft 56 ft 71 ft 92 ft
Nested Height W/O Mast 20 ft 6 in 20 ft 6 in 20 ft 9 in 25 ft 9 in 26 ft
Width Of Unit 16 in 16 in 21 in 21 in 26 in
Raising System Hand Crank Hand Crank Hand Crank Hand Crank Hand Crank
Type Of Base T T T T T
Approximate Weight 88 lb 102 lb 156 lb 195 lb 300 lb
Maximum Pay Load 125 lb 125 lb 125 lb 125 lb 125 lb
Maximum Wind Load 18 sq. ft 18 sq. ft 18 sq. ft 18 sq. ft 18 sq. ft
Maximum Wind 70 mph 70 mph 70 mph 70 mph 70 mph

Download specs here: T-40HNT-50HNT-60HN,  T-75HNT-100HN

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Extra Heavy-Duty Towers XHD

23 sf      200 lbs     70 mph

Extra Heavy-Duty Models: T-40XHDT-50XHDT-60XHDT-75XHD.

The extra heavy-duty aluminum crank-up tower can accommodate antennas with larger surface areas. These towers can handle up to 23 sq. ft (2.1368 m²) of antenna surface area and 200 lb (90 kg) of maximum payload capacity in wind speeds up to 70 mph (112.65 kph). They feature an extra heavy-duty 8 ft (2.4384 m) mast with 2 in (5.0800 cm) diameter and ¼ in (0.63500 cm) wall, guy ears on each section, heavy-duty building bracket, and tilt base and can accommodate a variety of commercially available rotors. Contact your sales person for additional details.

Tower Model T-40XHD T-50XHD T-60XHD T-75XHD
Aluma Part No. 900062 900063 900064 900065
Sales Drawing QS-1028 QS-1000 QS-1003 QS-1029
Tower Construction (No. of Section / Section length) 2 / 20 ft 2 / 25 ft 3 / 20 ft 3 / 25 ft
Number Of Section 2 2 3 3
Tower Sections C, D C, D C, D C, D, E
Length Of Each Section 20 ft 25 ft 20 ft 25 ft
Maximum Height W/ Mast 40 ft 50 ft 56 ft 71 ft
Nested Height W/O Mast 20 ft 6 in 25 ft 6 in 20 ft 9 in 25 ft 9 in
Width Of Unit 21 in 21 in 21 in 26 in
Raising System Hand Crank Hand Crank Hand Crank Hand Crank
Type Of Base T T T T
Approximate Weight 130 lb 150 lb 255 lb 290 lb
Maximum Pay Load 200 lb 200 lb 200 lb 200 lb
Maximum Wind Load 23 sq. ft 23 sq. ft 23 sq. ft 23 sq. ft
Maximum Wind 70 mph 70 mph 70 mph 70 mph

Download specs here: T-40XHD, T-50XHDT-60XHD,T-57XHD

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Extra-Extra Heavy-Duty XXHD

25 sf    275 lb   70mph

Extra-Extra Heavy-Duty Models: T-40XXHD; T-50XXHD

The extra-extra heavy-duty aluminum crank-up towers are designed to accommodate larger, heavy duty rotors and pedestals for multiple antennas. These models are designed for payloads up to 275 lb (136 kg) and up to 25 sq. ft (2.3226 m²) of antenna surface area, in tested wind speeds up to 70 mph (112.65 kph). The extra- extra heavy-duty towers are complete with a heavy-duty 2 in (5.0800 cm) diameter x ¼ in (0.63500 cm) wall mast, guy ears on each section, heavy- duty building bracket, and tilt base.

Tower Model T-40XXHD T-50XXHD
Aluma Part No. 900066 900067
Sales Drawing QS-1790 QS-1769
Tower Construction (No. of Section / Section length) 2 / 20 ft 2 / 25 ft
Number Of Section 2 2
Tower Sections D, E D, E
Length Of Each Section 20 ft 25 ft
Maximum Height W/ Mast 40 ft 50 ft
Nested Height W/O Mast 25 ft 3 in 25 ft 3 in
Width Of Unit 26 in 26 in
Raising System Hand Crank Hand Crank
Type Of Base T T
Approximate Weight 210 lb 290 lb
Maximum Pay Load 275 lb 275 lb
Maximum Wind Load 25 sq. ft 25 sq. ft
Maximum Wind 70 mph 70 mph

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Unguyed Lightweight Telescopic Mast Towers

Aluminum telescoping masts without the need for guy wires, or unguyed, “self-supporting” antenna towers, have become very popular in recent years. Aluma has developed simple, cost-effective designs to meet the increased demand for unguyed lightweight telescoping mast towers. Our value-driven TU series towers offer freestanding antenna masts specially designed for Amateur Radio Operators when guy wires are simply not an option.

TU Series Unguyed Towers Standard Features:

  • Unique heavy-duty apex roller contacts
  • Rigged with custom Aluma Tower pulleys
  • 5 ft of overlap between each section
  • 2” OD x 8 ft long top masts
  • Combination upper and lower mast plates
  • Guy wire attachment ears for more available capacity
  • Available from 32 ft (10 m) to 92 ft (28 m) in height
  • Unguyed capabilities up to 50 mph winds, guyed capabilities up to 80 mph winds
  • Payload capacities up to 200 lb
  • Building mounted or trailer mounted options (restrictions apply)
  • Standard 120 VAC electric winch (Various AC & DC options available)
  • All winches have manual bypass hand-crank safety features
  • Upper and lower rotary limit switch for added safety
  • Customization and additional information available upon request

 

Tower Model TU-65HD TU-90HD
Aluma Part No. 900388 900631
Sales Drawing S900388 S900631
Tower Construction (No. of Section / Section length) 3 / 25 ft 4 / 25 ft
Number Of Section 3 4
Tower Sections BU, CU, DU BU, CU, DU, EU
Length Of Each Section 25 ft 25 ft
Maximum Height W/ Mast 71 ft 92 ft
Nested Height W/O Mast 26 ft 26 ft 6 in
Width Of Unit 21 in 26 in
Raising System AC or DC WINCH AC or DC WINCH
Type Of Base T T
Approximate Weight 510 lb 720 lb
Maximum Pay Load 200 lb 200 lb
Maximum Wind Load 18 sq. ft 18 sq. ft
Maximum Wind 50 mph 50 mph

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Tower Mounting Solutions

Aluma towers can be installed on a building utilizing our building bracket, but they can also be installed in open areas with or without the use of concrete. Our innovative mount solutions allow the towers to support the same payload capacity regardless.

 Mounting Pole (MP-2) Direct Ground Mount – no concrete

The MP-2 Mounting Pole allows the customer to install an Aluma tower without a concrete pad. This eliminates the need for bracketing the tower to an existing structure. The installation requires only a 6 ft deep hole and locally available dirt and gravel. It uses water to compact the soil and stabilize the system. Aluma has hundreds of current customers utilizing this system, including NASA and U.S. military forces.

The MP-2, made of scheduled 40 galvanized steel, has a top-pivot at six feet that allows the user to tilt the tower from vertical to horizontal positions, eliminating the need for climbers or riggers. The standard pole is available with a hand crank winch and the MP-2 can be easily upgraded to an electrical system (AC or DC) on the tilting and hosting systems.

The MP-2 is constructed with hot-dip galvanized steel and weighs approximately 150 lb. It is capable of supporting the standard Aluma Tower models, guyed or unguyed (HD, XHD & XXHD).

Download MP-2 drawing here

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Tower Model Aluma Part No. (Tower +MP-2)
T-40HN 900088
T-50HN 900091
T-60HN 900093
T-75HN 900095
T-100HN 900474
T-40XHD 900098
T-50XHD 900099
T-60XHD 900100
T-75XHD 900101
T-40XXHD 900102
T-50XXHD 900103

Download specs here: T-60HNT-100HDT-40XHDT-75XHD

Independent Base

This new Independent Base design allows the customer to mount any Aluma tower to an existing three-foot concrete pad, eliminating the need for bracketing the tower to an existing structure.

Not only can the Independent Base fit in multiple existing concrete pad configurations, it also allows the user to tilt the tower from vertical to horizontal eliminating the need for climbers or riggers. The standard model is available with a hand crank winch that can be easily upgraded to an electrical system (AC or DC) on the tilting and hosting systems.

The Independent Base is constructed with structural steel, has a powder-coated finish and weighs approximately 350 lb. It is capable of supporting standard Aluma tower models.

Download Independent Base sales drawing here

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Medium Duty Trailer/ Tower Systems

The TM-12 small mobile tower system is available with a wide variety of options and accessories and is highly suited for meteorological work, test data acquisition, and many other tasks where a small portable tower is tantamount.  It’s similar in size to a personal watercraft trailer with a very different design, of course.  These small but hearty mobile trailer towers are constructed of tubular structural steel before being hot-dip galvanized. They include our A-frame tongue design with an additional T-bar for added structural integrity.  It complies with DOT Federal Motor Carrier Safety Regulations and will pass licensing in all 50 states.

Capabilities of the TM-12:

  • The deck of the mobile tower unit is about 4 ft wide x 16 ft long and will accommodate a small equipment cabinet.
  • Available accessories for a complete mobile trailer tower solution include an Aluma Tower coax reel, spare tire, antenna storage tubes, and portable generators.
  • Available tower options include most models, in either 35 ft (2-17 ft sections) or 50 ft (3-17 ft sections) heights on this mobile tower unit.
  • It is extremely lightweight and easily transportable by most vehicles with a suitable trailer hitch.
  • The TM-12 can fit into a transport container.
  • For a list of the complete specifications please see the table below or feel free to contact us to discuss all of your small mobile tower or mobile trailer tower requirements.

Download TM-12 setup instructions here

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Trailer Specifications

Trailer Width Overall 69 1/2 in
Trailer Width, Frame Only 48 in
Trailer Deck Height 20 in
Trailer Length of tall (W/O Coupler) 15 ft 11 in (191 in )
Trailer Gross Vehicle Weight (Gvwr) 1,990 lb
Trailer Bare Weight 990 lb
Trailer Gross Axle Weight (Gawr) 2,000 lb
Trailer Approx. Weight Shipped
(Varies With Different Accessories )
1,400 lb
Number of Axles 1 (SINGLE)
Axle Capacity Rating (Each) 1500 lb
Coupler Channel (Positions/Holes) 3 POS./4 HOLES
Standard Coupler Size 2 5/16 in BALL, 7,000 lb CAP., 2 HOLES
Electric Brakes NONE (available)
Tire Size (Note: All Radial Tires!) ST175/80R/ 13
Tire Load Range C
Tire Capacity And Load Rate 1360 lbs
Tire P.S.I. 50 psi
Wheel / Rim Size (Dia./Width/Bolt Pattern ) 13 in   / 4.5 in / 5 ON 4.5 in
Finished Height, Tower In Usage Position 96 in
Finished Height, Tower In Stowed Position 74 in
Overall Length With Tower Mounted 17 ft 6 in (211 1/2 in )

Tower Models for the TM-12 Trailer

Tower Model T-DD-35HN T-DD-50HN T-DD-35XHD T-DD-50XHD
Aluma Part No. 900499 900501 900500 900502
Tower Construction (No. of Section / Section length) 2 / 17 ft 3 / 17 ft 3 / 17 ft 3 / 17 ft
Number Of Section 2 3 2 3
Tower Sections B, C B, C, D C, D C, D, E
Length Of Each Section 17 ft 17 ft 17 ft 17 ft
Maximum Height W/ Mast 34 ft 47 ft 34 ft 47 ft
Nested Height W/O Mast 17 ft 6 in 18 ft 17 ft 6 in 18 ft
Width Of Unit 16 in 21 in 16 in 21 in
Raising System Hand Crank Hand Crank Hand Crank Hand Crank
Approximate Tower Weight 130 lb 150 lb 255 lb 290 lb
Maximum Pay Load 125 lb 125 lb 200 lb 200 lb
Maximum Wind Load 18 sq. ft 18 sq. ft 23 sq. ft 23 sq. ft
Maximum Wind 70 mph 70 mph 70 mph 70 mph

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