Antesky 7.3m S/X/Ka Tri-band Full-Motion Antenna

Previously, we believe you see that this newly lunched 4.5 Meter C & Ku dual-Band satellite antenna and ka band antenna. Today, let us show you Antesky updated 7.3m S/X/Ka Tri-band Full-Motion Antenna below.

1. Introduction of Antesky 7.3m S/X/Ka Tri-band Full-Motion Antenna:

The 7.3m antenna system introduced in this article is used to receive S/X/KA frequency band signals of low-orbit satellite. The antenna structure with the tilt axis added under the antenna mount of the azimuth and elevation (A-E) axis is adopted. It has the functions of antenna overhead tracking, fast satellite searching, data guidance, program tracking, monopulse tracking, etc. It can make the antenna always point to the satellite and ensure data reception. The antenna mainly completes the full-airspace non-blind zone tracking and signal reception tasks for low-orbit satellites with an orbital height above 300km in the S-band, X-band, and Ka-band targets.

The 7.3m SXKA antenna structure is mainly composed of two parts: the antenna reflector and the three-axis antenna mount. The antenna reflector includes a main reflector, a sub-reflector, a reflector skeleton, a hub and an S/X/Ka band antenna feed, etc. The three-axis antenna mount includes antenna elevation mechanism, azimuth mechanism and tilt mechanism, as shown in Figure 1.

Figure 1 The diagram of Antesky 7.3m S/X/Ka Tri-band Full-Motion Antenna

2. Features of Antesky 7.3m S/X/Ka Tri-band Full-Motion Antenna:

High Gain:With a large dish, this antenna provides high gain, meaning it can receive signals over long distances with excellent precision and minimal signal loss.
Excellent antenna structure design
mount type structure- three axis (AET)
Adopted Ring-focus type , and the accuracy of the main surface is better than 0.5mm (R.M.S)
Range of motion:

Az Drive: ± 355°continuous, gear and pinion dual-motor drive

El Drive: 0°- 180° continuous, gear and pinion dual-motor drive

Tilt Drive: -170~170°

Drive ratespeed:

Az Axis : up to at least 10°/s

El Axis : up to at least 10°/s

Title Axis: up to at least 5°/s

This antenna adopts S/X/Ka tri-band combined feed system, which can realize frequency multiplex reception of each frequency band; S-band (2 to 4 GHz), X-band (5to 9.0 GHz), and Ka-band (25.5 to 27 GHz). which makes it suitable for various communication needs.
The antenna system has the characteristics of modularization, light weight, low temperature resistance, low power consumption, high precision, high reliability, easy installation, and ocean transportation;
It can meet the use requirements of extremely harsh environments such as extreme cold, permafrost, ice caps, and strong winds.

3. Technical specification of Antesky 7.3m S/X/Ka Tri-band Full-Motion Antenna:

Antenna Electrical Characteristics
Frequency(GHz)	S-band		X-band	Ka-band
	Rx:2.2~2.3	Rx:7.5~9.0			Rx:25.5~27
Gain (dBi)	≥41.5+20log(f/2.2)	≥53.5+20log(f/8.35)			≥62.8+20log(f/25.5)
Feed	2-port CP feed	2-port CP feed e			2-port CP feed e
Side Lobes	Compliant with ITU-R S.580-6
Axis Ratio of CP	<1.5dB on axis		<1.0dB on axis	<1.5dB on axis
Antenna Noise Temperature	115K max at 5°elevation@ 23°C		95K max at 5°elevation@ 23°C	190K max at 5°elevation@ 23°C
G/T at 5°elevation@ 23°C	≥19 dB/°K	≥32dB/°K			≥36.5 dB/°K
VSWR	<1.5:1

Antenna Mechanical Characteristics
Antenna Type		El over Az geometry（Ring-focus）
Antenna Diameter (m)		7.3
Mount Type		AET
Driving Mode		Az Drive: ± 355°continuous, gear and pinion dual-motor drive El Drive: 0°- 180° continuous, gear and pinion dual-motor drive Tilt Drive:-170~170°
Drive Rate		Az Axis : up to at least 10°/s El Axis : up to at least 10°/s Titl Axis: up to at least 5°/s
Antenna Accessory Parts and Interface		Hot Dip Galvanised
		Hempel Paint over Galvanise
		Lightning Arresting Rods·
		Lightning Arrestor down-conductors
		Foundation Hardware
		Hub Enclosure with door
		Cable routes for servo and downlink cables Access ladder & platform,
Antenna Environmental Conditions and Other Features
Temperature	-20°C～+60°C (Outdoor)
Relative Humidity	0%～100%
Rain	100mm/h
Anti-wind Capability	Steady wind: 47km/h gust: 72km/h		Normal Operation
	Steady wind: 72km/h gust: 97km/h		Degraded Operation
	Survival Wind: peak gust 200km/h		In stow
Earthquake:	Seismic Performance 0.3G Horizontal, 0.15G Vertical
Others	Packing (sea freight)
	12 months warranty

4. Applications of Antesky 7.3m S/X/Ka Tri-band Full-Motion Antenna:

Satellite Communication:The 3m S/X/Ka Tri-band Full-Motion Antenna can receive data, voice, and video signals. It’s commonly used in satellite ground stations to communicate with geostationary satellites like Satellite measurement and control data transmission system, satellite remote sensing receiving system, etc.
Deep Space Exploration: Various space agencies utilize this antenna for deep space missions, such as those involving the Mars rovers or outer space telescopes. Its high gain and frequency capabilities make it ideal for communicating with spacecraft beyond Earth’s orbit.
Military Surveillance: In military operations, secure and reliable communication is paramount. The 7.3-meter S/X/Ka Band Full-Motion Antennais used for defense applications, including surveillance, reconnaissance, and data transmission.
Scientific Research: Scientists employ this antenna in various research projects, such as radio astronomy and atmospheric studies, where precise data collection and transmission are essential.

Above is about brief introduction,product features,technical specifications, and application of this Antesky 7.3m S/X/Ka Tri-band Full-Motion Antenna. Hope it is helpful for you know further. Meanwhile, other dual band or tri-band antennas are available in Antesky. If you are interested in this item, please feel free to contact sales@antesky.com. Thanks!