RF SPECS	NS-SEC(C)-900			NS-SEC(Ku)-900		NS-SEC(Ka)-900
Frequency	3.4~4.2GHz		5.85~6.725GHz	10.95~12.75GHz	13.75~14.5GHz	17.7～21.2GHz	27.5～31GHz
Gain, dBi	49.21@3.8GHz		53.46@6.2GHz	59.55@12.5GHz	60.53@14.0GHz	63.19@19.0GHz	66.86@29.0+GHz
Polarization	Circular/Linear			Circular/Linear		Circular
Cross-pol, on Axis	≧30dB /
VSWR	1.25:1		1.25:1	1.3:1	1.3:1	1.35:1	1.35:1
Axial ratio 2 port	≤1.3dB		≤1.3dB	≤1.3dB	≤1.3dB	≤1.5dB	≤1.5 dB
Axial ratio 4 port	≤0.5dB		≤0.5dB	≤0.75dB	≤0.75dB	≤1dB	≤1 dB
Feed insertion loss	≤0.3dB		≤0.3dB	≤0.3dB	≤0.3dB	≤0.5dB	≤0.6dB
Antenna Noise Temperature
10°Elevation	53.2 K			63K		126.7 K
20°Elevation	47.2K		/	51.9K	/	88K	/
50°Elevation	43 K			45K		62.3K
-3dB Beam width	0.61°		0.38°	0.19°	0.17°	0.12°	0.08°
Power capacity	/		2KW	/	2KW	/	2KW
Feed interface	CPR-229G		CPR-137G	WR-75	WR-75	WR-42	WR-28
Isolation, Rx to Tx,	85 dB			85 dB		85 dB
First Sidelobe	≤-14dB			≤-14dB		≤-14dB
90% Peaks under Following envelop	29 - 25 logθ(1°≤θ＜20°)			29 - 25 logθ(1°≤θ＜20°)		29 - 25 logθ(1°≤θ＜20°)
MECHANICAL SPECIFICATIONS
Antenna Diameter		9.0m
Antenna travel range		AZ			±85°(Truss type), 5°~355° continuous(turntable type)
		EL			5°~90°
		Pol			±90°
Antenna Type		Cassegrain
Structure		LMC/FMC
Drive Mode		lMC/Semi-rotary platform
Surface accuracy(R.M.S)		≤0.5mm(C); ≤0.4mm(Ku); ≤0.3mm(Ka)
ENVIRONMENT SPECIFICATIONS
Working wind speed		72km/h
Suvival wind speed		216km/h
Humidity		100%
Ice load		Icing 13mm: normal work
		Icing 25mm, no damage
Temperature		-30～50℃
Seismic capacity		Horizontal: 0.3G; vertical: 0.1G
Working wind speed		72km/h

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