IEC_61108-1-2003.pdf

INTERNATIONALSTANDARDIEC61108-1Second edition2003-07Maritime navigation and radiocommunicationequipment and systems Global navigation satellite systems(GNSS)Part 1:Global positioning system(GPS)Receiver equipment Performance standards,methods of testing and required test resultsMatriels et systmes de navigation etde radiocommunication maritimes Systme mondial de navigation par satellite(GNSS)Partie 1:Systme de positionnement par satellite GPS Matriel de rception Normes de fonctionnement,mthodes dessai et rsultats dessai exigiblesReference numberIEC 61108-1:2003(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,thebase publication incorporating amendment 1 and the base publication incorporatingamendments 1 and 2.Further information on IEC publicationsThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating tothis publication,including its validity,is available in the IEC Catalogue ofpublications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication,as well as the listof publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publicationsThe on-line catalogue on the IEC web site(http:/www.iec.ch/searchpub/cur_fut.htm)enables you to search by a variety of criteria including text searches,technicalcommittees and date of publication.On-line information is also available onrecently issued publications,withdrawn and replaced publications,as well ascorrigenda.IEC Just Published This summary of recently issued publications(http:/www.iec.ch/online_news/justpub/jp_entry.htm)is also available by email.Please contact the CustomerService Centre(see below)for further information.Customer Service CentreIf you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC61108-1Second edition2003-07Maritime navigation and radiocommunicationequipment and systems Global navigation satellite systems(GNSS)Part 1:Global positioning system(GPS)Receiver equipment Performance standards,methods of testing and required test resultsMatriels et systmes de navigation etde radiocommunication maritimes Systme mondial de navigation par satellite(GNSS)Partie 1:Systme de positionnement par satellite GPS Matriel de rception Normes de fonctionnement,mthodes dessai et rsultats dessai exigibles IEC 2003 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chUFor price,see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61108-1 IEC:2003(E)CONTENTSFOREWORD.31Scope.52Normative references.53Terms,definitions and abbreviations.63.1Definitions.63.2Abbreviations.64Minimum performance standards.74.1Object.74.2GPS receiver equipment.74.3Performance standards for GPS receiver equipment.85Methods of testing and required test results.155.1Test sites.155.2Test sequence.155.3Standard test signals.155.4Determination of accuracy.165.5Test conditions.165.6Methods of test and required test results.175.7Typical interference conditions.245.8Performance checks under IEC 60945 conditions.28Figure 1 Broadband interference environment.25Figure 2 CW interference mask.25Table 1 Acquisition time limits.10Table 2 Accuracy of COG.14LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61108-1 IEC:2003(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_MARITIME NAVIGATION AND RADIOCOMMUNICATIONEQUIPMENT AND SYSTEMS GLOBAL NAVIGATION SATELLITE SYSTEMS(GNSS)Part 1:Global positioning system(GPS)Receiver equipment Performance standards,methods of testingand required test resultsFOREWORD1)The International Electrotechnical Commission(IEC)is a worldwide organizati