Earth Station Antenna

Earth station antennasatellite communications system integrators and designers can bring their systems online faster, more economically, and with superior performance. In use around the world in high-density data, voice, communications networks, and broadcast applications, it is uniquely formed dual reflector Ring-Focus coupled with close-tolerance manufacturing techniques. This combination provides extremely accurate surface contour, exceptionally high gain, superior efficiency, and closely controlled pattern characteristics.

As one of the most professional earth station antenna manufacturers in China, Dolph microwaveprovides earth station antenna with maximum durability and minimal maintenance. The hot-dipped galvanized steel ground mount assembly ensures extended earth station antenna life. Galvanized and stainless steel hardware of earth antenna maximize corrosion resistance. For cost-effective system expansion, available modular equipment options include anti-icing equipment and pressurization systems. Microprocessor Step track Control and motorizable mount options are also available. Diameter and operational frequency range are various. Taking 9.0-meter Earth Station Antenna (ESA) as example.

Earth Station Antenna Ordering Guide

Ordering Guide of Earth Station Antenna

Earth Station Antenna Compliances

Antenna diameter: 2.4, 3.7, 4.5, 5.3, 6.3, 7.3 and more

ASIASAT

INTELSAT E-3, E-2, E-1, G

FCC Regulation 25.209

ITU-R, S.580-5 and S.465-5

Main Points when Looking for Earth Station Antenna

Antenna type: Tx/Rx or Rx only

Antenna feed: Back feed or prime focus

Frequency range: Ku-band, C-band, Ka-band, dual band or others

Polarization: Linear or circular

Port: 2-port, 4-port or others

Drive mode: Manual or motorized

Tracking mode: Step or monopulse

For custom satcom antenna with high quality and wide application, Contact Dolph Microwave.

Dish & Parabolic Reflector Antenna Design Diagram

Parabolic Reflector antenna is widely used reflector antenna which according to the structure composition of the microwave photo-like searchlight. Ground station antenna consists reflector, feed system and kingpost. Normally, feed is assembled on focus of reflector.

The reflector curve of earth station antenna is based on parabolic definition and equation. The main parameter of parabolic antenna for sale is focus, diameter and max half field angle. In order to discuss the radiation field and directivity of parabolic antenna, the exit path field must be calculated firstly.

When transmitting, the signal radiates from the feed to the paraboloid, and then radiates into the air after reflecting from the paraboloid. Since the feed is located at the focus of the paraboloid, the radio wave is reflected by the paraboloid and radiated in parallel along the normal direction of the paraboloid. When receiving, after reflected by the reflecting surface, the radio wave converges to the feed source, and the feed source can receive the maximum signal energy.

When high frequency current is applied to the conductor, electric and magnetic fields will be generated in the surrounding space. According to the distribution characteristics of electromagnetic field in space, it can be divided into near zone, middle zone and far zone. Let R be the distance from a point in space to the conductor. When the length L of the conductor is far less than the wavelength, the radiation is very weak; When the length L of the wire is increased to be comparable with the wave length, the current on the wire will be greatly increased, thus forming strong radiation.

Ground Station Antenna Features

High-Accuracy, Aluminum Draw Die Formed Reflector Panels, Self-Aligning Main Reflector.

High Gain, Excellent Pattern Characteristics, Ring-Focus Optics.

C-, X-, Ku-, or K-Band Capabilities, Field Changeable Feed System, C-Band, circular to linear.

Fixed or motorizable pedestals, Antenna control system with tracking.

Reflector and feed deicing systems, Load frame or non-penetrating mounts.

125 mph (200 km/h) Wind Survival in any Position, High Wind (180 mph - 288 km/h) Option.

Low Transportation Costs,Installation Without a Crane.

Packing for sea and air transport, Turnkey installation and testing.

3-Year Warranty on All Structural Components.

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