Antesky Science Technology Inc.

[Province: Shaanxi ]

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3.7m Satellite antenna

Payment Terms:	T/T

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Basic Info.

Supply Capacity

Antenna Accessory

ØMotorization Kits

Ø50 Satellite Positions Preset

ØLimit Switches

ØSteptrack

ØODU Support Kits

ØFactory Feed System Testing and Documentation

ØOcean Transport Packing

ØFoundation Kit

ØLightening Rod Kit

ØGrounding Kit

ØCable-Mounting Kit

ØMajor Subsystem Spare Part Kits

ØAnti-icing and Deicing

Features

ØMeets or Exceeds CCIR 580 and INTELSAT Requirements

ØHigh G/T, Excellent Pattern Characteristics

ØThermal Spaying Zinc Steel Ground Mount Assembly

ØC-band Antenna Operating in 800MHz Bandwidth Option

Ø2-port, 3-port or 4-port Linear/Circular Feed

ØField Changeable Feed System, Switchable Circular to Linear C-band

ØAntenna Az 0-360deg Continuous Pointing Range

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ELECTRICAL SPECIFICATION
Type	ATSK-370C		ATSK-370K
Operating Frequency, GHz	C-Band		Ku-Band
	Receive	Transmit	Receive	Transmit
	3.625~4.2	5.85~6.425	10.95~12.75	14.0~14.5
Gain, Mid-band, dBi	42	45.2	50.9	52.5
Polarization	Linear/ Circular		Linear
XPD (on Axis), dB	35	35	35	35
XPD across 1dB Beam Width, dB	33	33	33	33
Axial Ratio (dB)	0.5	0.5
VSWR	1.25	1.25	1.25	1.25
Antenna Noise Temperature, 2-port feed 10° Elevation 20° Elevation 40° Elevation	36°K 30°K 25°K		50°K 44°K 38°K
-3dB Beam Width	1.32°	0.86°	0.47°	0.38°
Typical G/T ( El>10° )	24dB/K ( 30° LNA )		30.6dB/K ( 70° LNA )
Tx. Power Capability, KW		5		1
Feed Interface	CPR-229G	CPR-137G	WR-75	WR-75
Feed Insertion Loss, dB	0.15	0.25	0.25	0.25
Isolation, Tx to Rx, dB	85
Radiation Pattern:First Sidelobe	≤-14, Meet ITU-RS.580-5 and other requirements
Mechanical Specification
Azimuth	±60° (Continuous)
Elevation	0°~90°(Continuous)
Polarization	180°(Continuous)
Finishes Reflector Surface Pedestal & Back Structure	Aluminum panels with high-diffusing white paint Thermal Spraying Zinc
Surface Accuracy (RMS)	≤ 0.5mm
Environmental Specification
Operational Wind	72km/h Gusting to 97km/h
Survival Wind	216km/h
Temperature	- 40°C ~ + 60°C
Relative Humidity	100%
Solar Radiation	1135Kcal/ h/ m²
Seismic (Survival)	0.3g (H), 0.15g (V)