1、GB/T.14433-93欲收信号视頫范围的上段(2MHz以.上)时,行频稳定度至少应为210-7。3.9发射天线高度(hl)heigbt of transmiting antenna发射天线高出沿接收方向距发射机所在地315km距高间的地面平均水平的高度。3.10接收天线高度(h2)height of receiving antenna接收天线高出当地地形的高度。其他术语见GB7400.1和GB74G0.2。4主要技术指标4.1彩色电视广猫制式详见G33174。4.2颜段范围4.2.1米波(VHF)颖段波段118.572.5MHz;波段I7692MHz;波段百167-223MHz。4.2.2
2、分米波(UHF)频段波段470-566MHz;波段V606960MHz.4.3道j隔频道间瓶为8MH%。4.4频道标称载频电视獭道标称载见表1。表1,电视频道标称载颇频道频率花围图像载频伴音载树被段I)S-XMHz48.5-56.549.7556.2556.564.557.7564.25364.572.565.7572.25758477.2583.75849285.2591.75167175168.25174.75175183176.25182.758183191184.25190.759191199192.25198.7510199207200.25206.75207-215208.25214.7512215-223216.25222.7513470一478471.25477.7513478486479.25485.752