HB 7544-1997 ５５°锥管螺纹用丝锥 Rc11/2 Rc2 P＝2.309

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【英文标准名称】:Maritimenavigationandradiocommunicationequipmentandsystems-VHFradiotelephoneequipmentincorporatingclass"D"DigitalSelectiveCalling(DSC)-Methodsoftestingandrequiredtestresults
【原文标准名称】:海上导航和无线电通信设备及系统.采用"D"级数字选择呼叫的甚高频无线电话设备.试验方法和要求的试验结果
【标准号】:IEC62238-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC80
【标准类型】:()
【标准水平】:()
【中文主题词】:海上运输;导航仪器;选择呼叫;无线电设备;规范(验收);无线电话;无线电呼号;无线电装置;数字工程;试验结果;接收机;甚高频;无线电定位;无线电导航;船舶导航;测量结果;船舶用无线电通信;无线电信道;导航辅助设备;发射机;试验;数字的;雷达;频率范围;识别;试验条件;无线电通信;定义;海船;测量技术;环境试验;测量不确定度
【英文主题词】:Definitions;Digital;Digitalengineering;Environmentaltesting;Frequencyranges;Identification;Marinenavigation;Marineradio;Marinetransport;Measuringincertainity;Measuringresults;Measuringtechniques;Navigationinstruments;Navigationalaids;Radar;Radiocalls;Radiochannels;Radioequipment;Radiosystems;Radiocommunication;Radiolocation;Radionavigation;Radiotelephones;Receivers;Selectivecalling;Ships;Specification(approval);Testresults;Testing;Testingconditions;Transmitters;VHF
【摘要】:CoverstheminimumrequirementsforgeneralcommunicationforshipbornefixedinstallationsusingaVHFradiotelephoneincorporatingclassDDigitalSelectiveCalling.TheserequirementsincludetherelevantprovisionsoftheITURadioRegulations,ITU-R
【中国标准分类号】:U66
【国际标准分类号】:47_020_70
【页数】:70P.;A4
【正文语种】:英语


Product Code:SAE AMS3901/7
Title:Yarn, Organic Fiber (Para-Aramid), High Modulus Oy 390 (2689)/20.9 Tensile Strength, 16.5 (114)/895 Tensile Modulus 2160 Denier, (2400 D Tex), 0.6% Finish
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.