Electric heating of parabolic antennas...

...ensures snow- and ice-free reflector surfaces, thus reducing the risk of failures.

In telecommunications, a parabolic antenna is referred to as a type of directional antenna. Its main component is the parabolic reflector, which collects electromagnetic radiation arriving parallel to the axis of the reflector at the focal point where the radiation is captured by an antenna and forwarded to a receiver or a distribution system.

As parabolic antennas collect signals in a narrow beam, they can focus on a specific signaling source. By focusing these signals at one point, they can also receive or send weak signals with high clarity. Depending on the requirement and frequency, the size and shape of a parabolic antenna can vary.

Because parabolic antennas offer a high degree of directional control, they are used in radar systems, for radio-relay technology and data transmission via satellite. To prevent snow and ice from accumulating on the reflector surface, parabolic antennas are heated. As a result, disruptions during transmission and reception are reduced!

eltherm supplies customised heat-tracing solutions that...

...operate reliably even at -25 °C.

Installing a heating mat on the back of an antenna is a technically proven and reliable method of protecting the antenna from frost. As a result, antenna manufacturers and network operators benefit from smooth and reliable functional performance over many years.

Heating mats are highly weather-resistant and virtually maintenance-free. They can be customised to fit any type of antenna. In our own sewing shop, these mats are individually tailored to the shape of each antenna dish. The electric heat tracing system consists of a heating mat with integrated insulation (PE air cushion foil, coated on both sides with aluminum) and a fluoropolymer-insulated heating cable. A safety switch, which automatically switches off the heating at > 80 °C, is integrated. The pre-installed temperature sensor (PT-100) allows a temperature controller to be connected. By means of adhesive surfaces, the heating mat is later permanently attached to the antenna surface. This ensures an optimal fit onto the reflector and good heat distribution.

Key facts
  • Perfect fit for all antenna types
  • Minimal weight load
  • Moisture resistant
  • Highly durable – even when exposed to extreme weather conditions
  • Almost maintenance-free – thus also suitable for remote locations
  • Effective, full-surface heat distribution
  • Constant, self-stabilising heating performance
  • No additional insulation required
  • No deformation of the antenna when the heating is switched on
  • No overheating when exposed to sunlight

FAQ

Depending on the location of the parabolic antenna, ice or snow can form on the surface of the reflector due to weather conditions. As a result, the transmission and reception of signals at the focal point of the parabolic mirror becomes more difficult. To prevent this, an electrical heat tracing system designed by eltherm is used that offers custom-fit heating mats.

Heating mats can be tailored to fit any type of antenna perfectly. Thus, they provide a perfect surface contact and ensure ideal heat distribution. Given the mats' long service life and the fact that they are virtually maintenance-free, they can also be operated in remote locations.

Contact

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Phone: +49 (0) 27 36 / 44 13-0

Fax: +49 (0) 27 36 / 44 13-50

E-mail: info@eltherm.com

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