SIST EN 301 025-1 V1.1.2:2003
(Main)ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); VHF radiotelephone equipment for general communications and associated equipment for Class D Digital Selective Calling (DSC); Part 1: Technical characteristics and methods of measurement
General Information
- Abstract
Editorial update implementing consequential changes resulting from the publication of EN 301 025-2.
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
Overview
SIST EN 301 025-1 V1.1.2:2003 sets forth standardized requirements for Electromagnetic Compatibility and Radio Spectrum Matters (ERM), focusing specifically on VHF radiotelephone equipment used for general communications and associated equipment supporting Class D Digital Selective Calling (DSC). Issued by the Slovenski inštitut za standardizacijo (SIST), this standard aligns with the European standard EN 301 025-1 and addresses editorial revisions resulting from the publication of EN 301 025-2.
This document outlines the technical characteristics and test methods that manufacturers, suppliers, and users must adhere to in order to ensure VHF radiotelephone and DSC equipment provide reliable, interoperable, and interference-resistant communication, particularly in maritime and radiocommunication environments.
Key Topics
Technical Requirements
The standard describes the fundamental technical characteristics for VHF radiotelephone equipment and associated DSC. These requirements relate to performance parameters such as emission class, frequency stability, audio characteristics, and transmission quality.Operational Features
Guidelines cover compositional details, construction standards, required controls and indicators, and the integration of coding/decoding facilities for Digital Selective Calling, ensuring seamless functionality for distress, urgency, and general calls.Methods of Measurement
The document specifies the methodologies for testing and measuring technical properties of both transmitter and receiver units. This includes parameters like frequency error, carrier power, receiver sensitivity, and spurious emissions.Environmental Testing
Provisions are included for environmental tests such as vibration, temperature extremes, and humidity, confirming equipment durability and reliability under typical operational conditions.Electromagnetic Compatibility (EMC)
The standard addresses measures to minimize electromagnetic interference, ensuring the equipment does not adversely affect, or become affected by, other electronic devices and communication systems.Safety and Labelling
It mandates requirements for safety features, labelling, and identification, supporting safe installation and operation.
Applications
SIST EN 301 025-1 V1.1.2:2003 is vital for various stakeholders in the radiocommunications sector:
- Maritime Communications – Ensures VHF radiotelephone systems function effectively for ships, providing interoperability for general and emergency communications between vessels and coastal stations.
- Equipment Manufacturers – Acts as a guide for product development, allowing manufacturers to ensure that their VHF and DSC devices comply with European and national regulatory requirements.
- Certification Bodies and Test Laboratories – Provides standardized testing methods and benchmarks, facilitating consistent product assessment and market approvals.
- Installers and Integrators – Supports the integration of compliant equipment onboard ships, ensuring operational safety and regulatory compliance.
- End-users – Guarantees that communications equipment is reliable, safe, and compatible within shared radio spectrum environments.
Related Standards
Professionals involved with VHF radiotelephone and DSC equipment should also be familiar with the following related standards:
- SIST EN 301 025-2 – Further outlines harmonized EMC standards applicable to this type of radio equipment.
- EN 300 338 Series – Covers additional marine VHF equipment and specific requirements for maritime safety.
- IEC 60945 – Specifies general requirements for marine navigation and radiocommunication equipment.
Awareness and application of these standards, along with SIST EN 301 025-1, help ensure comprehensive compliance, robust performance, and reliable safety across VHF radio systems for general and maritime communications.
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Frequently Asked Questions
SIST EN 301 025-1 V1.1.2:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); VHF radiotelephone equipment for general communications and associated equipment for Class D Digital Selective Calling (DSC); Part 1: Technical characteristics and methods of measurement". This standard covers: Editorial update implementing consequential changes resulting from the publication of EN 301 025-2.
Editorial update implementing consequential changes resulting from the publication of EN 301 025-2.
SIST EN 301 025-1 V1.1.2:2003 is classified under the following ICS (International Classification for Standards) categories: 33.060.99 - Other equipment for radiocommunications; 33.100.01 - Electromagnetic compatibility in general. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 301 025-1 V1.1.2:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.SULSDGDMRþDHKQLþQHElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); VHF radiotelephone equipment for general communications and associated equipment for Class D Digital Selective Calling (DSC); Part 1: Technical characteristics and methods of measurement33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.99Druga oprema za radijske komunikacijeOther equipment for radiocommunicationsICS:Ta slovenski standard je istoveten z:EN 301 025-1 Version 1.1.2SIST EN 301 025-1 V1.1.2:2003en01-december-2003SIST EN 301 025-1 V1.1.2:2003SLOVENSKI
STANDARD
ETSIEN301025-1V1.1.2(2000-08)EuropeanStandard(Telecommunicationsseries)ElectromagneticcompatibilityandRadiospectrumMatters(ERM);VHFradiotelephoneequipmentforgeneralcommunicationsandassociatedequipmentforClass"D"DigitalSelectiveCalling(DSC);Part1:TechnicalcharacteristicsandmethodsofmeasurementSIST EN 301 025-1 V1.1.2:2003
ETSIETSIEN301025-1V1.1.2(2000-08)2ReferenceREN/ERM-RP01-039-1Keywordsmaritime,radio,traffic,VHFETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 025-1 V1.1.2:2003
ETSIETSIEN301025-1V1.1.2(2000-08)3ContentsIntellectualPropertyRights.8Foreword.81Scope.92References.93Definitionsandabbreviations.103.1Definitions.103.2Abbreviations.104Generalandoperationalrequirements.104.1General.104.2Composition.104.3Construction.114.4Controlsandindicators.114.5FacilitiesforcodinganddecodingofDSC.124.5.1Callfunctions.124.5.2MANUALcalls.124.5.3Distresscalls.124.5.4ALLSHIPScalls.134.5.5Incomingcalls.134.6DSCdisplay.134.7Handsetandloudspeaker.134.8Safetyprecautions.134.9Labelling.144.10Warmup.145Technicalrequirements.145.1Switchingtime.145.2Classofemissionandmodulationcharacteristics.145.3FacilitiesforDSCtransmissionandreception.145.3.1General.145.3.2Decoding.155.3.3Freechanneltransmission.155.3.4Automaticacknowledgement.155.3.5Automaticre-transmissionofdistresscalls.155.4Shipsidentity-MMSIandGroupMMSI.155.5Entryofpositioninformation.155.6Alarmcircuits.165.6.1Distressandurgency.165.6.2Othercategories.165.6.3Acousticalarms.165.6.4Cancellationofalarms.165.7Facilitiesforautomaticidentification.165.8Multiplewatchfacilities.165.8.1General.165.8.2Scanningprovisions.165.8.3Scanningcharacteristics.176Generalconditionsofmeasurement.176.1Arrangementsfortestsignalsappliedtothereceiverinput.176.2Squelch.176.3Normaltestmodulation.176.4Artificialantenna.186.5Arrangementsfortestsignalsappliedtothetransmitterinput.186.6Testchannels.18SIST EN 301 025-1 V1.1.2:2003
ETSIETSIEN301025-1V1.1.2(2000-08)46.7Generationandexaminationofthedigitalselectivecallsignal.186.8StandardtestsignalsforDSC.186.9Determinationofthesymbolerrorratiointheoutputofthereceivingpart.186.10Measurementuncertaintyandinterpretationofthemeasuredresults.196.10.1Measurementuncertainty.196.10.2Interpretationofthemeasurementresults.196.11Testconditions,powersources,andambienttemperatures.196.11.1Normalandextremetestconditions.196.11.2Testpowersource.196.12Normaltestconditions.206.12.1Normaltemperatureandhumidity.206.12.2Normalpowersources.206.12.2.1Batterypowersource.206.12.2.2Otherpowersources.206.13Extremetestconditions.206.13.1Extremetemperatures.206.13.2Extremevaluesoftestpowersources.206.13.2.1Batterypowersource.206.13.2.2Otherpowersources.206.14Procedurefortestsatextremetemperatures.217Environmentaltests.217.1Introduction.217.2Procedure.217.3Performancecheck.217.4Vibrationtest.217.4.1Definition.217.4.2Methodofmeasurement.227.4.3Requirement.227.5Temperaturetests.227.5.1Definition.227.5.2Dryheat.227.5.2.1Definition.227.5.2.2Methodofmeasurement.227.5.2.3Requirement.237.5.3Dampheat.237.5.3.1Definition.237.5.3.2Methodofmeasurement.237.5.3.3Requirement.237.5.4Lowtemperature.237.5.4.1Definition.237.5.4.2Methodofmeasurement.237.5.4.3Requirement.238Transmitter.238.1Frequencyerror.248.1.1Definition.248.1.2Methodofmeasurement.248.1.3Limits.248.2Carrierpower.248.2.1Definition.248.2.2Methodofmeasurement.248.2.3Limits.248.2.3.1Normaltestconditions.248.2.3.2Extremetestconditions.248.3Frequencydeviation.258.3.1Definition.258.3.2Maximumpermissiblefrequencydeviation.258.3.2.1Methodofmeasurement.258.3.2.2Limits.258.3.3Reductionoffrequencydeviationatmodulationfrequenciesabove3kHz.25SIST EN 301 025-1 V1.1.2:2003
ETSIETSIEN301025-1V1.1.2(2000-08)58.3.3.1Methodofmeasurement.258.3.3.2Limits.258.4Sensitivityofthemodulator,includingmicrophone.268.4.1Definition.268.4.2Methodofmeasurement.268.4.3Limits.268.5Audiofrequencyresponse.268.5.1Definition.268.5.2Methodofmeasurement.268.5.3Limit.278.6Audiofrequencyharmonicdistortionoftheemission.278.6.1Definition.278.6.2Methodofmeasurement.288.6.2.1Normaltestconditions.288.6.2.2Extremetestconditions.288.6.3Limits.288.7Adjacentchannelpower.288.7.1Definition.288.7.2Methodofmeasurement.288.7.3Limits.298.8Conductedspuriousemissionsconveyedtotheantenna.298.8.1Definition.298.8.2Methodofmeasurement.298.8.3Limit.298.9Cabinetradiationandconductedspuriousemissionsotherthanthoseconveyedtotheantenna.298.9.1Definitions.298.9.2Methodofmeasurement.298.9.3Limits.308.10Transientfrequencybehaviourofthetransmitter.308.10.1Definitions.308.10.2Methodofmeasurement.318.10.3Limits.338.11Residualmodulationofthetransmitter.338.11.1Definition.338.11.2Methodofmeasurement.338.11.3Limit.338.12Frequencyerror(demodulatedDSCsignal).338.12.1Definition.338.12.2Methodofmeasurement.348.12.3Limits.348.13ModulationindexforDSC.348.13.1Definition.348.13.2Methodofmeasurement.348.13.3Limits.348.14ModulationrateforDSC.348.14.1Definition.348.14.2Methodofmeasurement.348.14.3Limits.348.15Testingofgeneratedcallsequences.358.15.1Definition.358.15.2Methodofmeasurement.358.15.3Requirement.359Radiotelephonereceiver.359.1Harmonicdistortionandratedaudio-frequencyoutputpower.359.1.1Definition.359.1.2Methodsofmeasurement.359.1.3Limits.369.2Audiofrequencyresponse.369.2.1Definition.369.2.2Methodofmeasurement.36SIST EN 301 025-1 V1.1.2:2003
ETSIETSIEN301025-1V1.1.2(2000-08)69.2.3Limits.369.3Maximumusablesensitivity.379.3.1Definition.379.3.2Methodofmeasurement.379.3.3Limits.389.4Co-channelrejection.389.4.1Definition.389.4.2Methodofmeasurement.389.4.3Limit.389.5Adjacentchannelselectivity.389.5.1Definition.389.5.2Methodofmeasurement.389.5.3Limits.399.6Spuriousresponserejection.399.6.1Definition.399.6.2Methodofmeasurement.399.6.3Limit.399.7Intermodulationresponse.399.7.1Definition.399.7.2Methodofmeasurement.409.7.3Limit.409.8Blockingordesensitization.409.8.1Definition.409.8.2Methodofmeasurement.409.8.3Limit.409.9Spuriousemissions.409.9.1Definition.409.9.2Methodofmeasuringthepowerlevel.419.9.3Limit.419.10Radiatedspuriousemissions.419.10.1Definition.419.10.2Methodofmeasurements.419.10.3Limit.429.11Receiverresidualnoiselevel.429.11.1Definition.429.11.2Methodofmeasurement.429.11.3Limit.429.12Squelchoperation.429.12.1Definition.429.12.2Methodofmeasurement.429.12.3Limits.439.13Squelchhysteresis.439.13.1Definition.439.13.2Methodofmeasurement.439.13.3Limit.439.14Multiplewatchcharacteristic.439.14.1Definition.439.14.2Methodofmeasurement.449.14.3Limits.4410ReceiverforDSCdecoder.4410.1Maximumusablesensitivity.4410.1.1Definition.4410.1.2Methodofmeasurement.4410.1.3Limits.4410.2Co-channelrejection.4510.2.1Definition.4510.2.2Methodofmeasurement.4510.2.3Limits.4510.3Adjacentchannelselectivity.4510.3.1Definition.45SIST EN 301 025-1 V1.1.2:2003
ETSIETSIEN301025-1V1.1.2(2000-08)710.3.2Methodofmeasurement.4510.3.3Limits.4510.4Spuriousresponseandblockingimmunity.4610.4.1Definition.4610.4.2Methodofmeasurement.4610.4.3Limits.4610.5Intermodulationresponse.4610.5.1Definition.4610.5.2Methodofmeasurement.4610.5.3Limits.4610.6Dynamicrange.4710.6.1Definition.4710.6.2Methodofmeasurement.4710.6.3Limit.4710.7Spuriousemissions.4710.7.1Definition.4710.7.2Methodofmeasuringthepowerlevel.4710.7.3Limit.4710.8Radiatedspuriousemissions.4710.8.1Definition.4710.8.2Methodofmeasurements.4710.8.3Limit.4810.9VerificationofcorrectdecodingofvarioustypesofDSCcalls.4810.9.1Definition.4810.9.2Methodofmeasurement.4810.9.3Requirement.49AnnexA(normative):DSCCalls.50AnnexB(normative):Measuringreceiverforadjacentchannelpowermeasurement.51B.1Powermeasuringreceiverspecification.51B.1.1IFfilter.51B.1.2Attenuationindicator.52B.1.3R.M.S.valueindicator.52B.1.4Oscillatorandamplifier.52AnnexC(normative):Radiatedmeasurements.53C.1Testsitesandgeneralarrangementsformeasurementsinvolvingtheuseofradiatedfields.53C.1.1Outdoortestsite.53C.1.2Testantenna.53C.1.3Substitutionantenna.54C.1.4Optionaladditionalindoorsite.54C.2Guidanceontheuseofradiationtestsites.55C.2.1Measuringdistance.55C.2.2Testantenna.5
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