KVH 16米X波段卫星通信地球站天线 16米X通信卫星天线 16m X-Band ANTENNA   16m X-Band ANTENNA （OEM） 概观   16M天线系统设计和制造，可应用于最新更新的INTELSAT（IESS）标准A地球站。 16M天线系统包括双形状卡塞格林反射器，带波纹喇叭的频率重用馈电网络，用于极限运动的仰角方位限制运动主柱基座或用于全运动的转盘安装座。反射器的备用结构，连接主反射器和底座的基座以及基座提供了正常操作所需的保证指向精度。 主反射器直径包括精密拉伸成型铝板，铆接环和三个环中的径向。 天线系统具有高增益，低旁瓣，低交叉极化的特点，能够在发射和接收频带中进行频率重用，具有高分辨率角度位置显示的高驱动/控制精度。 辐射方向图符合INTELSAT（IESS），FCC和CCIR对地静止卫星2度间隔位置的相关要求。     R.F Specifications 20M GREGORAIN ANTENNA With 4-PORT 2Tx/2Rx Circular Pol FEED X-Band Receive Transmit Frequency in GHz 7.25-7.75 7.9-8.4Ghz Gain 61.7+ 20lg[f(GHz)/7.5] 62.5 + 20lg[f(GHz)/8.25] Antenna Noise Temp.   5°Elevation 74k with TRF 10°Elevation 65k with TRF 20°Elevation 58k with TRF 40°Elevation 54k with TRF Sidelobe Pattern First sidelobe level ≤-14dB Beyond first sidelobe meet IESS(Intelsat) or CCIR 580 VSWR 1.25:1 Axial Ratio (CP only) 1.09:1 1.09:1 3dB Beamwidth 0.14Deg 0.127Deg Polarization RHCP/LHCP LHCP/RHCP Feed Insertion or Ohmic Loss 0.70 dB 0.70dB Power Handling Capability 1kw cw Port to Port Isolation   Tx to Rx ³70dB(with TRF) Rx to Rx ³20dB Tx to Tx ³20dB Feed Interfaces WR112 WR112 R.F Specifications 16M Dual Shaped Cassegrain Antenna With 4-PORT 2Tx/2Rx Circular Pol Feed X-Band Receive Transmit Frequency in GHz 7.25-7.75 7.9-8.4Ghz Gain 59.7+ 20lg[f(GHz)/7.5] 60.5 + 20lg[f(GHz)/8.25] Antenna Noise Temp.   5°Elevation 74k with TRF 10°Elevation 65k with TRF 20°Elevation 58k with TRF 40°Elevation 54k with TRF Sidelobe Pattern First sidelobe level ≤-14dB Beyond first sidelobe meet IESS(Intelsat) or CCIR 580 VSWR 1.25:1 1.25:1 3dB Beamwidth 0.175Deg 0.159Deg Axial Ratio (CP only) 1.09:1 1.09:1 Feed Insertion or Ohmic Loss 0.70dB 0.70dB Power Handling Capability 1kw Port to Port Isolation   Tx to Rx ³70dB(with TRF) Rx to Rx ³20dB Tx to Tx ³20dB Feed Interfaces WR112 WR112 R.F Specifications 16M Dual Shaped Cassegrain Antenna With 4-PORT 2Tx/2Rx Linear POL Feed C-Band Receive Transmit Frequency in GHz* 3.625-4.200 5.850-6.425 Gain 55+ 20lg[f(GHz)/4] 58.2+ 20lg[f(GHz)/6] Antenna Noise Temp.   5°Elevation 48k with TRF 10°Elevation 36k with TRF 20°Elevation 29k with TRF 40°Elevation 24k with TRF Sidelobe Pattern First sidelobe level ≤-14dB Beyond first sidelobe meet IESS(Intelsat) or CCIR 580-5 Cross Pol. Discrimination 35dB (On axis) 30dB (within 1 dB Beamwidth) VSWR 1.30:1(LP) 1.25:1(CP) 1.30:1(LP) 1.25:1 (CP) 3dB Beamwidth 0.30º 0.20º Axial Ratio (CP only) 1.06:1 1.06:1 Feed Insertion or Ohmic Loss 0.30dB 0.30dB Power Handling Capability 5kw cw per port Port to Port Isolation   Tx to Rx ³85dB(with TRF) Rx to Rx ³30dB Tx to Tx ³30dB Feed Interfaces CPR-229G CPR-137G R.F Specifications 16M Dual Shaped Cassegrain Antenna With 4-PORT 2Tx/2Rx Linear POL Feed Full C-Band Receive Transmit Frequency in GHz 3.4 -4.200 5.850-6.65 Gain 54.8+ 20lg[f(GHz)/4] 58.2+ 20lg[f(GHz)/6] Antenna Noise Temp.   5°Elevation 54k with TRF 10°Elevation 46k with TRF 20°Elevation 36k with TRF 40°Elevation 30k with TRF Sidelobe Pattern First sidelobe level ≤-14dB Wide sidelobes meets IESS, Eutelsat and CCIR 580. Cross Pol. Discrimination 35dB (On axis) 30dB (within 1 dB Beamwidth) VSWR 1.30:1(LP) 1.25:1(CP) 1.30:1(LP) 1.25:1 (CP) 3dB Beamwidth 0.30º 0.20º Axial Ratio (CP only) 1.06:1 1.06:1 Feed Insertion or Ohmic Loss 0.30dB 0.30dB Power Handling Capability 5kw cw per port Port to Port Isolation   Tx to Rx ³85dB(with TRF) Rx to Rx ³30dB Tx to Tx ³20dB Feed Interfaces CPR-229G CPR-137G     Antenna Specifications Mechanical Specifications Azimuth Travel 180°(in two overlapped 100°deg sectors) Travel Rate for Az and El 0.1°/second Elevation Travel 0°to 90°Continuous Elevation Travel Rate 0.1°/second * Tracking travel rate for Az and El 0.01°/second Reflector Steel Pedestal Structure Steel Finish Aluminium panels with high-diffusive white paint, steel part with Hot-Zinc Spray Physical Ambient Temperature -40ºC to 60oC (survival) , -15ºC to 50oC (Operational) Operational Wind 72km/h gusts to 97km/h Survival Wind 200km/hm Rain up to 4 in/h(10cm/h), lasting 10 minutes Relative Humidity up to 100% with condensation Solar Radiation 1000 kcal/M2/h Radial Ice (Survival) 25mm on all surface or 13mm on all surface with 130km/h wind gusts Shock and Vibration As encountered during shipment by commercial air, sea or truck Corrosive atmosphere As encountered in coastal regions and/or heavily industrialized areas Seismic(Survival) 0.3G’s horizontal 0.1G’s vertical