China Radio GB Standards English PDF List

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China "Radio" GB Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
GB/T 44183-2024	Technical requirements and measurement methods for performance of mobile terminals supporting Beidou-space Radio frequency performance 支持北斗的移动终端性能技术要求及测量方法-空间射频性能	China National Standards Radio	English PDF
GB/T 6113.106-2024	Specifications for Radio disturbance and immunity measuring equipment and measurement methods - Part 1-6: Radio disturbance and immunity measuring equipment - EMC antenna calibration 无线电骚扰和抗扰度测量设备和测量方法规范-第1-6部分:无线电骚扰和抗扰度测量设备-EMC天线校准	China National Standards Radio	English PDF
GB-14585-2024	Technical regulations for radiation environment management of Radioactive waste from uranium mining and metallurgy 铀矿冶放射性废物辐射环境管理技术规定	China National Standards Radio	English PDF
GB/T 17737.119-2024	Coaxial communication cables - Part 1-119: Electrical test methods - Radio frequency power of coaxial cables and cable assemblies 同轴通信电缆-第1-119部分：电气试验方法-同轴电缆及电缆组件的射频功率	China National Standards Radio	English PDF
GB/T 17737.9-2024	Coaxial communication cables - Part 9: Sectional specification for flexible Radio frequency coaxial cables 同轴通信电缆-第9部分：柔软射频同轴电缆分规范	China National Standards Radio	English PDF
GB/T 43658.2-2024	Non-destructive testing - X-ray and gamma-ray testing of pipeline corrosion and deposits - Part 2: Double-wall Radiography 无损检测-管道腐蚀及沉积物X和伽马射线检测-第2部分：双壁射线检测	China National Standards Radio	English PDF
GB/T 43658.1-2024	Non-destructive testing - X-ray and gamma-ray testing of pipeline corrosion and deposits - Part 1: Tangential Radiography 无损检测-管道腐蚀及沉积物X和伽马射线检测-第1部分：切向射线检测	China National Standards Radio	English PDF
GB/T 43613-2023	Non-destructive testing Digital Radiography image processing and communication 无损检测数字射线检测图像处理与通信	China National Standards Radio	English PDF
GB/T 43495-2023	Application classification of Radio frequency identification (RFID) electronic tags for tires 轮胎用射频识别（RFID）电子标签应用分类	China National Standards Radio	English PDF
GB/T 43494-2023	Radio frequency identification (RFID) electronic tag encoding for tires 轮胎用射频识别（RFID）电子标签编码	China National Standards Radio	English PDF
GB/T 43490-2023	Radio frequency identification (RFID) electronic tags for tires 轮胎用射频识别（RFID）电子标签	China National Standards Radio	English PDF
GB/T 35290-2023	Information Security Technology Radio Frequency Identification (RFID) System Security Technical Specifications 信息安全技术射频识别（RFID）系统安全技术规范	China National Standards Radio	English PDF
GB/T 17626.3-2023	Electromagnetic compatibility Testing and measurement technology Part 3: Radio frequency electromagnetic field radiation immunity test 电磁兼容试验和测量技术第3部分：射频电磁场辐射抗扰度试验	China National Standards Radio	English PDF
GB/Z 6113.404-2023	Specification for Radio disturbance and immunity measuring equipment and measurement methods Part 4-4: Uncertainty, statistics and limit value modeling Statistics of complaints and limit value calculation model for the protection of radio services 无线电骚扰和抗扰度测量设备和测量方法规范第4-4部分：不确定度、统计学和限值建模投诉的统计和保护无线电业务的限值计算模型	China National Standards Radio	English PDF
GB/T 43358-2023	Rare earth ores and rare earth products Determination of total alpha and total beta Radioactivity Thick source method 稀土矿及稀土产品总α、总β放射性的测定厚源法	China National Standards Radio	English PDF
GB/T 43248-2023	Electric and hybrid vehicles - Radio disturbance characteristics - Limits and methods of measurement for the protection of off-board receivers below 30 MHz 电动汽车和混合动力汽车无线电骚扰特性用于保护30MHz以下车外接收机的限值和测量方法	China National Standards Radio	English PDF
GB/T 43257.6-2023	Safety test methods for Radioactive material transport containers Part 6: Heat resistance test 放射性物品运输容器安全试验方法第6部分：耐热试验	China National Standards Radio	English PDF
GB/T 43257.1-2023	Safety test methods for Radioactive material transport containers Part 1: General principles 放射性物品运输容器安全试验方法第1部分：总则	China National Standards Radio	English PDF
GB 31660.2-2019	National Food Safety Standard Determination of octylphenol, nonylphenol, bisphenol A, diethylstilbestrol, estrone, 17α-ethinyl estRadiol, 17β-estradiol and estriol residues in aquatic products by gas chromatography - mass spectrometry 食品安全国家标准水产品中辛基酚、壬基酚、双酚A、已烯雌酚、雌酮、17α-乙炔雌二醇、17β-雌二醇、雌三醇残留量的测定气相色谱-质谱法	China National Standards Radio	English PDF
GB/Z 40602.4-2023	Radio interference from antennas and receiving systems Part 4: Wireless receiving systems Electromagnetic compatibility test methods for electronic equipment with integrated wireless modules 天线及接收系统的无线电干扰第4部分：无线接收系统集成无线模块电子设备电磁兼容测试方法	China National Standards Radio	English PDF
GB/T 43053-2023	Maritime navigation and Radiocommunication equipment and systems Electronic Chart Display and Information Systems (ECDIS) Operational and performance requirements, test methods and required test results 海上导航和无线电通信设备及系统电子海图显示与信息系统（ECDIS）操作和性能要求、测试方法及要求的测试结果	China National Standards Radio	English PDF
GB/T 40602.3-2023	Radio interference from antennas and receiving systems Part 3: Site measurements Compact site performance verification methods 天线及接收系统的无线电干扰第3部分：场地测量紧缩场场地性能确认方法	China National Standards Radio	English PDF
GB/T 11313.58-2023	Radio Frequency Connectors Part 58: Specification for SBMA Series Blind Mate Radio Frequency Coaxial Connectors 射频连接器第58部分：SBMA系列盲插射频同轴连接器分规范	China National Standards Radio	English PDF
GB/T 6730.86-2023	Iron ore Determination of Radionuclides Inductively coupled plasma mass spectrometry 铁矿石放射性核素的测定电感耦合等离子体质谱法	China National Standards Radio	English PDF
GB/T 42826-2023	Radio controlled clock signal reception test method 电波钟信号接收测试方法	China National Standards Radio	English PDF
GB/T 42557-2023	Technical specification for Radio telescope electromagnetic environment protection 射电望远镜电磁环境保护技术规范	China National Standards Radio	English PDF
GB/T 42756.2-2023	Card and identification security devices - Contactless proximity objects - Part 2: Radio frequency power and signal interfaces 卡及身份识别安全设备无触点接近式对象第2部分：射频功率和信号接口	China National Standards Radio	English PDF
GB/T 42709.7-2023	Semiconductor devices Microelectromechanical devices Part 7: MEMS bulk acoustic wave filters and duplexers for Radio frequency control and selection 半导体器件微电子机械器件第7部分：用于射频控制和选择的MEMS体声波滤波器和双工器	China National Standards Radio	English PDF
GB/T 5750.13-2023	Standard Examination Methods for Drinking Water - Part 13: Radioactive Indicators 生活饮用水标准检验方法第13部分：放射性指标	China National Standards Radio	English PDF
GB/T 41732.2-2023	Radio frequency identification of animals - Enhanced radio frequency identification tags - Part 2: Code and command structure 动物射频识别增强型射频识别标签第2部分：代码和指令结构	China National Standards Radio	English PDF
GB/T 41734.7-2023	Radio frequency identification of animals - Part 7: Synchronization between GB/T 22334 identification systems 动物射频识别第7部分：GB/T 22334识别系统间的同步	China National Standards Radio	English PDF
GB/T 41734.6-2023	Radio frequency identification of animals - Part 6: Format of animal identification information (visual display/data transmission) 动物射频识别第6部分：动物识别信息格式(视觉显示/数据传输)	China National Standards Radio	English PDF
GB/T 41734.4-2023	Radio frequency identification of animals - Part 4: Performance evaluation of radio frequency identification readers in accordance with GB/T 20563 and GB/T 22334 动物射频识别第4部分：符合GB/T 20563和GB/T 22334的射频识别读写器性能评估	China National Standards Radio	English PDF
GB/T 41580-2022	Exposure Control of Nuclear and Radiological Emergency Response Personnel 核与辐射应急响应人员的照射控制	China National Standards Radio	English PDF
GB/T 41646-2022	Radiation Protection Instruments. Piggyback radiation detectors for detection of illicit trafficking in Radioactive material 辐射防护仪器用于探测放射性物质非法贩运的背负式辐射探测器	China National Standards Radio	English PDF
GB/T 21355-2022	Non-destructive testing—Industrial computed Radiography with storage phosphor imaging plates—Classification of systems 无损检测基于存储磷光成像板的工业计算机射线照相检测系统分类	China National Standards Radio	English PDF
GB/T 26642-2022	Non-destructive testing—Industrial computed Radiography with storage phosphor imaging plates—General principles for testing of metallic materials using X-rays and gamma rays 无损检测基于存储磷光成像板的工业计算机射线照相检测金属材料X射线和伽玛射线检测总则	China National Standards Radio	English PDF
GB/T 16145-2022	Gamma Spectroscopy Analysis Method of Radionuclides in Environmental and Biological Samples 环境及生物样品中放射性核素的γ能谱分析方法	China National Standards Radio	English PDF
GB/T 6113.402-2022	Specifications for Radio disturbance and immunity measuring equipment and methods of measurement - Part 4-2: Uncertainty, statistics and limit value modeling Uncertainties of measuring equipment and facilities 无线电骚扰和抗扰度测量设备和测量方法规范第4-2部分：不确定度、统计学和限值建模测量设备和设施的不确定度	China National Standards Radio	English PDF
GB/T 42290-2022	Code for analysis and control of airborne Radioactive source items in pressurized water reactor nuclear power plants 压水堆核电厂气载放射性源项分析和控制规范	China National Standards Radio	English PDF
GB 41930-2022	Characterization of low-level Radioactive waste packages Cement cured body 低水平放射性废物包特性鉴定水泥固化体	China National Standards Radio	English PDF
GB/T 41734.1-2022	Radio Frequency Identification of Animals Part 1: Consistency Assessment of Radio Frequency Identification Labels with GB/T 20563 and GB/T 22334 (Including the Issuance and Use of Manufacturer Codes) 动物射频识别第1部分：射频识别标签与GB/T 20563和GB/T 22334的一致性评估（包括制造商代码的发放和使用）	China National Standards Radio	English PDF
GB/T 42025-2022	Intelligent manufacturing-Radio frequency identification system-UHF RFID system performance test method 智能制造射频识别系统超高频RFID系统性能测试方法	China National Standards Radio	English PDF
GB 14023-2022	Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for protection of off-vehicle receivers 车辆、船和内燃机无线电骚扰特性用于保护车外接收机的限值和测量方法	China National Standards Radio	English PDF
GB/T 41674.1-2022	Radio frequency identification of animals - Standardization of injection sites for different animal species - Part 1: Companion animals (cats and dogs) 动物射频识别不同动物物种用注射部位的标准化第1部分：伴侣动物（猫和狗）	China National Standards Radio	English PDF
GB/T 41732.1-2022	Radio frequency identification of animals - Enhanced radio frequency identification tags - Part 1: Air interface 动物射频识别增强型射频识别标签第1部分：空中接口	China National Standards Radio	English PDF
GB/T 41734.3-2022	Radio Frequency Identification of Animals Part 3: Performance Evaluation of Radio Frequency Identification Tags Conforming to GB/T 20563 and GB/T 22334 动物射频识别第3部分：符合GB/T 20563和GB/T 22334的射频识别标签性能评估	China National Standards Radio	English PDF
GB/T 41734.2-2022	Radio Frequency Identification of Animals Part 2: Consistency Assessment of Radio Frequency Identification Readers and GB/T 20563 and GB/T 22334 动物射频识别第2部分：射频识别读写器与GB/T 20563和GB/T 22334的一致性评估	China National Standards Radio	English PDF
GB 9706.229-2021	Medical electrical equipment—Part 2-29: Particular requirements for the basic safety and essential performance of Radiotherapy simulators 医用电气设备第2-29部分：放射治疗模拟机的基本安全和基本性能专用要求	China National Standards Radio	English PDF
GB 14391-2021	Performance requirements for satellite emergency position indicating Radio beacons 卫星紧急无线电示位标性能要求	China National Standards Radio	English PDF
GB/T 40385-2021	Non-destructive testing of steel tubes—Digital Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections 钢管无损检测焊接钢管焊缝缺欠的数字射线检测	China National Standards Radio	English PDF
GB 9706.229-2021	Medical electrical equipment—Part 2-29:Particular requirements for the basic safety and essential performance of Radiotherapy simulators 医用电气设备第2-29部分：放射治疗模拟机的基本安全和基本性能专用要求	China National Standards Radio	English PDF
GB 14391-2021	Performance requirements for satellite emergency position indicating Radio beacons 卫星紧急无线电示位标性能要求	China National Standards Radio	English PDF
GB/T 6113.103-2021	Specification for Radio disturbance and immunity measuring apparatus and methods—Part 1-3:Radio disturbance and immunity measuring apparatus—Ancillary equipment—Disturbances power 无线电骚扰和抗扰度测量设备和测量方法规范第1-3部分：无线电骚扰和抗扰度测量设备辅助设备骚扰功率	China National Standards Radio	English PDF
GB/T 40025-2021	RF technical requirements and test methods for 24GHz vehicle Radio equipment 24GHz车辆无线电设备射频技术要求及测试方法	China National Standards Radio	English PDF
GB/T 11313.41-2021	Radio-frequency connectors—Part 41: Sectional specification for CQA series quick lock R.F. coaxial connectors 射频连接器第41部分: CQA系列快速锁紧射频连接器分规范	China National Standards Radio	English PDF
GB/T 11313.40-2021	Radio-frequency connectors—Part 40: Sectional specification for 2.4 series R.F. connectors 射频连接器第40部分: 2.4系列射频连接器分规范	China National Standards Radio	English PDF
GB/T 11313.35-2021	Radio-frequency connectors—Part 35: Sectional specification for 2.92 series R.F connectors 射频连接器第35部分: 2.92系列射频连接器分规范	China National Standards Radio	English PDF
GB/T 17743-2021	Limits and methods of measurement of Radio disturbance characteristics of electrical lighting and similar equipment 电气照明和类似设备的无线电骚扰特性的限值和测量方法	China National Standards Radio	English PDF
GB/T 13976-2021	Radioactive source term of pressurized water reactor nuclear power plant for operation states 压水堆核电厂运行状态下的放射性源项	China National Standards Radio	English PDF
GB/T 6113.104-2021	Specification for Radio disturbance and immunity measuring apparatus and methods—Part 1-4:Radio disturbance and immunity measuring apparatus—Antennas and test sites for radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范第1-4部分：无线电骚扰和抗扰度测量设备辐射骚扰测量用天线和试验场地	China National Standards Radio	English PDF
GB/T 6113.101-2021	Specification for Radio disturbance and immunity measuring apparatus and methods—Part 1-1: Radio disturbance and immunity measuring apparatus—Measuring apparatus 无线电骚扰和抗扰度测量设备和测量方法规范第1-1部分：无线电骚扰和抗扰度测量设备测量设备	China National Standards Radio	English PDF
GB/T 41144-2021	Requirements and test methods for ventilated protective clothing against Radioactive aerosol 放射性气溶胶的通风防护衣要求与测试方法	China National Standards Radio	English PDF
GB/T 11313.42-2021	Radio-frequency connectors -- Part 42: Sectional specification for CQN series quick lock RF connectors 射频连接器第42部分：CQN系列快速锁紧射频连接器分规范	China National Standards Radio	English PDF
GB/T 40602.1-2021	Antennas and reception systems for Radio interference—Part 1: Basic measurement—Method for far field measuring in microwave anechoic chamber 天线及接收系统的无线电干扰第1部分：基础测量天线方向图的室内远场测量方法	China National Standards Radio	English PDF
GB/T 40602.2-2021	Antennas and reception systems for Radio interference—Part 2:Basic measurement—Method for near field measuring high gain antenna pattern in microwave anechoic chamber 天线及接收系统的无线电干扰第2部分：基础测量高增益天线方向图室内平面近场测量方法	China National Standards Radio	English PDF
GB/T 40673-2021	Timekeeping instruments—Conditions for carrying out checks on Radioluminescent deposits 计时仪器辐射发光涂层检验条件	China National Standards Radio	English PDF
GB/T 40791-2021	Non-destructive testing of steel tubes—Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections 钢管无损检测焊接钢管焊缝缺欠的射线检测	China National Standards Radio	English PDF
GB/T 11809-2021	Test method of weld of fuel rod for PWR—Metallographic examination and Radiographic testing 压水堆燃料棒焊缝检验方法金相检验和X射线照相检验	China National Standards Radio	English PDF
GB 9706.254-2020	Medical electrical equipment—Part 2-54: Particular requirements for the basic safety and essential performance of X-ray equipment for Radiography and radioscopy 医用电气设备第2-54部分：X射线摄影和透视设备的基本安全和基本性能专用要求	China National Standards Radio	English PDF
GB/T 38935-2020	On-orbit Radiometric characteristics assessment for optical imaging remote sensor—VIS-SWIR 光学遥感器在轨成像辐射性能评价方法可见光-短波红外	China National Standards Radio	English PDF
GB/T 38889-2020	Antennas and reception systems for Radio interference—Antenna measurement—Vehicle antennas and system 天线及接收系统的无线电干扰天线测量车载天线及系统	China National Standards Radio	English PDF
GB/T 38724-2020	Furniture harmful substances—Test method for Radioactivity 家具中有害物质放射性的测定	China National Standards Radio	English PDF
GB/T 38670-2020	Intelligent manufacturing—Radio frequency identification system—Tag data format 智能制造射频识别系统标签数据格式	China National Standards Radio	English PDF
GB/T 38668-2020	Intelligent manufacturing－Radio frequency identification system—General technical requirements 智能制造射频识别系统通用技术要求	China National Standards Radio	English PDF
GB/T 16145-2020	Gamma spectrometry method of analysing Radionuclides in biological samples 生物样品中放射性核素的γ能谱分析方法	China National Standards Radio	English PDF
GB/T 39638-2020	X-ray digital Radiographic testing for casting 铸件X射线数字成像检测	China National Standards Radio	English PDF
GB/T 33014.7-2020	Road vehicles—Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy—Part 7:Direct Radio frequency power injection 道路车辆电气/电子部件对窄带辐射电磁能的抗扰性试验方法第7部分：射频功率直接注入法	China National Standards Radio	English PDF
GB/T 6113.203-2020	Specification for Radio disturbance and immunity measuring apparatus and methods—Part 2-3: Methods of measurement of disturbances and immunity—Radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范第2-3部分：无线电骚扰和抗扰度测量方法辐射骚扰测量	China National Standards Radio	English PDF
GB/T 39427-2020	Non-destructive testing—Testing method for determining the size of Ir192 industrial Radiographic source 无损检测工业Ir192伽玛射线源尺寸测定方法	China National Standards Radio	English PDF
GB/Z 6113.403-2020	Specification for Radio disturbance and immunity measuring apparatus and methods—Part 4-3: Uncertainties,statistics and limit modelling—Statistical considerations in the determination of EMC compliance of mass-produced products 无线电骚扰和抗扰度测量设备和测量方法规范第4-3部分：不确定度、统计学和限值建模批量产品的EMC符合性确定的统计考虑	China National Standards Radio	English PDF
GB/T 28029.8-2020	Electronic railway equipment—Train communication network (TCN）—Part 2-7: Radio based Wireless Train Backbone (WLTB) 轨道交通电子设备列车通信网络（TCN）第2-7部分：基于电台的无线列车骨干网（WLTB）	China National Standards Radio	English PDF
GB/T 38333-2019	Radio frequency identification (RFID) for lead-acid battery electronic tags technical specification 铅酸蓄电池用射频识别（RFID）电子标签技术规范	China National Standards Radio	English PDF
GB/T 31843.450-2019	Maritime navigation and Radiocommunication equipment and systems—Digital interfaces—Part 450：Multiple talkers and multiple listeners—Ethernet interconnection 海上导航和无线电通信设备及系统数字接口第450部分：多发话器和多受话器以太网连接	China National Standards Radio	English PDF
GB 38452-2019	Hand protection—Protective gloves against ionizing radiation and Radioactive contamination 手部防护电离辐射及放射性污染物防护手套	China National Standards Radio	English PDF
GB/T 38333-2019	Radio frequency identification (RFID) for lead-acid battery electronic tags technical specification 铅酸蓄电池用射频识别（RFID）电子标签技术规范	China National Standards Radio	English PDF
GB 4824-2019	Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement 工业、科学和医疗设备射频骚扰特性限值和测量方法	China National Standards Radio	English PDF
GB/T 37910.2-2019	Non-destructive testing of welds — Acceptance levels for Radiographic testing — Part 2: Aluminium and its alloys 焊缝无损检测射线检测验收等级第2部分: 铝及铝合金	China National Standards Radio	English PDF
GB/T 37910.1-2019	Non-destructive testing of welds—Acceptance levels for Radiographic testing—Part 1:Steel,nickel,titanium and their alloys 焊缝无损检测射线检测验收等级第1部分：钢、镍、钛及其合金	China National Standards Radio	English PDF
GB/Z 6113.3-2019	Specification for Radio disturbance and immunity measuring apparatus and methods—Part 3: CISPR technical reports 无线电骚扰和抗扰度测量设备和测量方法规范第3部分：无线电骚扰和抗扰度测量技术报告	China National Standards Radio	English PDF
GB/T 37656-2019	Maritime navigation and Radiocommunication equipment and systems—VHF radiotelephone equipment incorporating Class“D”Digital Selective Calling（DSC）—Methods of testing and required test results 海上导航和无线电通信设备及系统 D级数字选择性呼叫（DSC）甚高频（VHF）无线电话测试方法及要求的测试结果	China National Standards Radio	English PDF
GB/Z 37627.3-2019	Radio interference characteristics of overhead power lines and high-voltage equipment—Part 3:Code of practice for minimizing the generation of radio noise 架空电力线路和高压设备的无线电干扰特性第3部分：减少无线电噪声至最小程度的实施规程	China National Standards Radio	English PDF
GB/T 31843.2-2019	Maritime navigation and Radiocommunication equipment and systems—Digital interfaces—Part 2：Single talker and multiple listeners—High-speed transmission 海上导航和无线电通信设备及系统数字接口第2部分：单发话器和多受话器高速传输	China National Standards Radio	English PDF
GB/T 23901.5-2019	Non-destructive testing—Image quality of Radiographs—Part 5: Determination of the image unsharpness and basic spatial resolution value using duplex wire-type image quality indicators 无损检测射线照相检测图像质量第5部分：双丝型像质计图像不清晰度的测定	China National Standards Radio	English PDF
GB/T 23901.4-2019	Non-destructive testing—Image quality of Radiographs—Part 4: Experimental evaluation of image quality values and image quality tables 无损检测射线照相检测图像质量第4部分：像质值和像质表的实验评价	China National Standards Radio	English PDF
GB/T 23901.3-2019	Non-destructive testing—Image quality of Radiographs—Part 3:Image quality classes 无损检测射线照相检测图像质量第3部分：像质分类	China National Standards Radio	English PDF
GB/T 23901.2-2019	Non-destructive testing—Image quality of Radiographs—Part 2:Determination of the image quality value using step/hole-type image quality indicators 无损检测射线照相检测图像质量第2部分：阶梯孔型像质计像质值的测定	China National Standards Radio	English PDF
GB/T 13705-2019	General requirements for shipboard Radio communication installations 船用无线电通信设备一般要求	China National Standards Radio	English PDF
GB 11806-2019	Regulations for the safe transport of Radioactive material 放射性物质安全运输规程	China National Standards Radio	English PDF
GB/T 37417-2019	Maritime navigation and Radiocommunication equipment and systems—Track control systems—Operational and performance requirements，methods of testing and required test results 海上导航和无线电通信设备及系统航迹控制系统操作和性能要求、测试方法及要求的测试结果	China National Standards Radio	English PDF

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