HF Radio Multiple Tower Arrays-Frederick-Maryland-United States Tower Services, LTD. United States Tower Services Ltd - HF Radio Multiple Tower Arrays
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HF Radio Multiple Tower Arrays


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Performed in an active RF environment, we constructed and installed two communications towers and a large HF antenna. One of the towers was to support the HF antenna, and the other tower was designed for 6 two-way radio antennas. Each of the 6 antennas that were relocated were connected to critical and active radios stems, so down time was coordinated and minimized.

All materials and tools were shipped via an overseas commercial carrier and delivered to the customer on site. Working with rebar and concrete delivered from a local plant, transmission lines were installed in trenches, which were dug by hand to minimize cable damage, and the rebar cage was tied by local workers. Designed to meet client requirements and design load specifications, each tower was assembled on the ground, set by a crane, and plumbed using a transit. The HF antenna was also assembled on the ground and set by a crane, and then were aligned by a compass. Upon completion, the towers were 60-feet and 80-feet tall, complete with lighting re-installed from the old towers. The entire project took 5 weeks to complete.

Specifications

Capabilities Applied/Processes

  • The installations of the towers and the HF antenna were accomplished with the use of a crane.
  • The towers were designed by the manufacture based on the design loads required
  • Trenching for cables was accomplished by hand digging to minimize damage to existing cabling.

    • Equipment Used to Install Towers

  • 40 Ton Crane
  • Back Hoe
  • Fork Lift

    • Overall Tower Size

    		60’ and 80’

    Construction Methods

  • Concrete delivered from local concrete plant
  • HF antenna alignment accomplished by compass
  • HF antenna assembled on ground and set by crane
  • Rebar cage tied by local labors
  • Towers assembled on ground and erected by crane
  • Towers plumbed with transit
  • Transmission lines installed in trenches

    • Logistics

    		All materials and tools were shipped via overseas commercial carrier and delivered to the customer on site. All tools were returned via overseas commercial carrier to our facility.

    Materials Worked With

    		Rebar and Concrete

    Finishing

    		Lighting was reinstalled from old towers

    In process Inspections performed

    		Foundation excavation, rebar cage, concrete tested and crane.

    Industry for Use

    		Military

    Installation Location

    		Central America

    Completion Time

    		5 weeks

    Tower Type

    		Self support HF antenna tower and self support UHF/VHF antenna tower

     MORE IMAGES 

    · New Tower Base Foundation

    · New Antenna Control System

    · New Tower Showing Antennas

    · Both Towers

    · Installing Equipment

    · New LP1017 Installed

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    United States Tower Services, LTD. | Global Communications Infrastructure