SIST EN 300 373-3 V.1.1.1:2004

• Abstract:

  Is intended to become a harmonised standard, the reference of which is intended for publication in the Official Journal of the European Communities referencing Directive 1999/5/EC. Refers to requirements from EN 300 373-1

• Status: Published
• Publication Date: 30-Jun-2004
• ICS: 33.060.20 - Receiving and transmitting equipment
• ICS: 33.100.01 - Electromagnetic compatibility in general
• ICS: 47.020.70 - Navigation and control equipment
• Technical Committee: RES - Radio equipment and systems
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jul-2004
• Due Date: 01-Jul-2004
• Completion Date: 01-Jul-2004
• Directive: 1999/5/EC - Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity
• Mandate: M/357
• Ref Project: ETSI EN 300 373-3 V1.1.1 (2003-10) - Electromagnetic compatibility and Radio spectrum Matters (ERM); Maritime mobile transmitters and receivers for use in the MF and HF bands; Part 3: Harmonized EN covering essential requirements under article 3.3(e) of the R&TTE Directive

Overview

SIST EN 300 373-3 V.1.1.1:2004 is a harmonized European standard developed under the Slovenski inštitut za standardizacijo (SIST). This document defines essential requirements for maritime mobile transmitters and receivers that operate in the Medium Frequency (MF) and High Frequency (HF) bands. It specifically addresses Electromagnetic Compatibility (EMC) and Radio Spectrum Matters (ERM) to ensure compliance under Article 3.3(e) of the R&TTE Directive (1999/5/EC).

Designed to become a harmonized standard referenced in the Official Journal of the European Communities, this standard is crucial for demonstrating conformity of marine communication equipment to European directives. It references requirements from EN 300 373-1 and covers a comprehensive range of operational, technical, and environmental expectations.

Key Topics

• Electromagnetic Compatibility (EMC): Ensures that maritime communication equipment does not suffer from, or cause, unacceptable electromagnetic interference.

• Radio Spectrum Management: Addresses technical requirements for effective radio spectrum usage in the MF and HF bands for maritime mobile operations.

• Operational Requirements: Covers general and specific operational parameters, such as frequency bands, classes of emission, and control interfaces

• Environmental Testing: Sets performance criteria under various environmental stresses, including:

  • Vibration
  • Temperature variations (dry heat, damp heat, low temp cycles)
  • Corrosion
  • Rain exposure

• Distress and Safety Features: Specifies requirements for distress controls, labelling, and dedicated frequencies to ensure compliance with maritime safety obligations.

• Conformance and Testing: Details standardized test suites and conditions for verifying compliance, including artificial antenna usage, test signal classes, and environmental performance validation.

Applications

SIST EN 300 373-3 is relevant for the design, manufacturing, and certification of maritime transmitters and receivers in the MF/HF bands, typically utilized on ships and by marine authorities. Key application areas include:

• Global Maritime Distress and Safety System (GMDSS): Ensures reliable operation of shipboard communication systems supporting distress and safety calls.

• Maritime Telephony and Digital Selective Calling (DSC): Controls standards for clear and reliable transmission of voice and data, crucial for routine and emergency communications at sea.

• Navigation and Control Equipment: Provides technical framework for integration with navigation and vessel control systems, supporting overall marine safety and operational efficiency.

• Type Approval and Market Access: Facilitates CE marking and compliance with European market requirements for marine radio equipment.

Related Standards

Several related standards and directives complement the framework set out in SIST EN 300 373-3:

• EN 300 373-1: Contains additional requirements referenced by Part 3 for MF/HF maritime radio equipment.
• Directive 1999/5/EC (R&TTE Directive): Lays out the essential requirements for radio and telecommunications terminal equipment.
• IEC 60945: Specifies general requirements for marine navigation and radio communication equipment and systems.
• IEC/EN 61000 Series: Standards concerning electromagnetic compatibility.
• ETSI EN 301 843: Focuses on EMC requirements for radio equipment.

Shipboard radio communication manufacturers, system integrators, and regulatory authorities rely on SIST EN 300 373-3 to achieve consistent performance, interoperability, and regulatory compliance for maritime communication equipment in European and international waters.

Keywords: electromagnetic compatibility, radio spectrum, maritime mobile, MF band, HF band, marine transmitters, marine receivers, R&TTE Directive, standardization, marine safety, radio equipment compliance.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.NYHQþQLKElectromagnetic compatibility and Radio spectrum Matters (ERM); Maritime mobile transmitters and receivers for use in the MF and HF bands; Part 3: Harmonized EN covering essential requirements under article 3.3(e) of the R&TTE Directive47.020.70Navigacijska in krmilna opremaNavigation and control equipment33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.20Sprejemna in oddajna opremaReceiving and transmitting equipmentICS:Ta slovenski standard je istoveten z:EN 300 373-3 Version 1.1.1SIST EN 300 373-3 V.1.1.1:2004en01-julij-2004SIST EN 300 373-3 V.1.1.1:2004SLOVENSKI
STANDARD
ETSI EN 300 373-3 V1.1.1 (2004-01)Candidate Harmonized European Standard (Telecommunications series) Electromagnetic compatibilityand Radio spectrum Matters (ERM);Maritime mobile transmitters and receiversfor use in the MF and HF bands;Part 3: Harmonized EN covering essential requirementsunder article 3.3(e) of the R&TTE Directive
ETSI ETSI EN 300 373-3 V1.1.1 (2004-01) 2
Reference DEN/ERM-TG26-027-3 Keywords maritime, mobile, radio, regulation, selcall, telephony ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2004. All rights reserved.
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ETSI ETSI EN 300 373-3 V1.1.1 (2004-01) 3
Contents Intellectual Property Rights.8 Foreword.8 Introduction.9 1 Scope.11 2 References.11 3 Definitions, symbols and abbreviations.12 3.1 Definitions.12 3.2 Symbols.13 3.3 Abbreviations.13 4 Technical requirements specifications.13 4.1 Environmental profile.13 4.2 General, operational and technical requirements.13 4.2.1 General.13 4.2.2 General requirements.14 4.2.2.1 Composition.14 4.2.2.1.1 Audio frequencies interfaces.14 4.2.2.1.2 Digital input panels.15 4.2.2.2 Construction.15 4.2.2.3 Controls and indicators.15 4.2.2.3.1 General.15 4.2.2.3.2 Illumination.15 4.2.2.4 Labelling.16 4.2.2.4.1 General.16 4.2.2.4.2 Distress frequencies.16 4.2.2.5 Protection against mishandling.16 4.2.3 Operational requirements.16 4.2.3.1 Frequency bands.16 4.2.3.1.1 MF band.16 4.2.3.1.2 HF bands.16 4.2.3.2 Classes of emission.17 4.2.4 Warming up period.17 4.2.4.1 Time.17 4.2.4.2 Heaters.17 4.2.4.3 Heating circuits.17 4.2.4.4 Delay.17 4.2.5 Technical requirements.17 4.2.5.1 Distress controls.17 4.2.5.2 Telephony transmit control.17 4.2.5.3 Misuse.17 4.2.5.4 Control panel priority.18 4.2.5.5 Manual gain control and Automatic Gain Control (AGC).18 4.2.5.6 Output indication.18 4.3 Environmental requirements.18 4.3.1 Vibration test.18 4.3.1.1 Definition.18 4.3.1.2 Requirement.18 4.3.1.3 Conformance.18 4.3.2 Temperature tests.18 4.3.2.1 Definition.18 4.3.2.2 Dry heat.18 4.3.2.2.1 Definition.18 4.3.2.2.2 Requirement.18 4.3.2.2.3 Conformance.19 4.3.2.3 Damp heat.19 4.3.2.3.1 Definition.19 SIST EN 300 373-3 V.1.1.1:2004

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4.3.2.3.2 Requirement.19 4.3.2.3.3 Conformance.19 4.3.2.4 Low temperature cycle.19 4.3.2.4.1 Definition.19 4.3.2.4.2 Requirement.19 4.3.2.4.3 Conformance.19 4.3.3 Corrosion test.19 4.3.3.1 Definition.19 4.3.3.2 Requirement.19 4.3.3.3 Conformance.20 4.3.4 Rain test.20 4.3.4.1 Definition.20 4.3.4.2 Requirement.20 4.3.4.3 Conformance.20 4.4 Conformance requirements.20 4.4.1 Unwanted frequency modulation.20 4.4.1.1 Definition.20 4.4.1.2 Limit.20 4.4.1.3 Conformance.20 4.4.2 Sensitivity of the microphone and the 600 Ω line inputs for SSB telephony.20 4.4.2.1 Definition.20 4.4.2.2 Limits.20 4.4.2.3 Conformance.20 4.4.3 Automatic level control and/or limiter for SSB telephony.21 4.4.3.1 Definition.21 4.4.3.2 Limits.21 4.4.3.3 Conformance.21 4.4.4 Audio frequency response of SSB telephony.21 4.4.4.1 Definition.21 4.4.4.2 Limits.21 4.4.4.3 Conformance.22 4.4.5 Residual hum and noise power for telephony.22 4.4.5.1 Definition.22 4.4.5.2 Limits.22 4.4.5.3 Conformance.22 4.4.6 Residual frequency modulation on DSC.22 4.4.6.1 Definition.22 4.4.6.2 Limits.23 4.4.6.3 Conformance.23 4.4.7 Continuous operation on telephony.23 4.4.7.1 Definition.23 4.4.7.2 Limits.23 4.4.7.3 Conformance.23 4.4.8 Protection of transmitter.23 4.4.8.1 Definition.23 4.4.8.2 Limits.23 4.4.8.3 Conformance.23 4.4.9 Receiver frequency error.23 4.4.9.1 Definition.23 4.4.9.2 Limits.24 4.4.9.3 Conformance.24 4.4.10 Unwanted frequency modulation.24 4.4.10.1 Definition.24 4.4.10.2 Limits.24 4.4.10.3 Conformance.24 4.4.11 Pass band.24 4.4.11.1 Definition.24 4.4.11.2 Limits.24 4.4.11.3 Conformance.24 4.4.12 Reciprocal mixing.24 4.4.12.1 Definition.24 4.4.12.2 Limits.24 SIST EN 300 373-3 V.1.1.1:2004

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4.4.12.3 Conformance.24 4.4.13 Harmonic content in output.25 4.4.13.1 Definition.25 4.4.13.2 Limits.25 4.4.13.3 Conformance.25 4.4.14 Audio frequency intermodulation.25 4.4.14.1 Definition.25 4.4.14.2 Limits.25 4.4.14.3 Conformance.25 4.4.15 Internally generated spurious signals.25 4.4.15.1 Definition.25 4.4.15.2 Limit.25 4.4.15.3 Conformance.25 4.4.16 AGC efficiency.25 4.4.16.1 Definition.25 4.4.16.2 Limits.26 4.4.16.3 Conformance.26 4.4.17 AGC time constants (attack and recovery time).26 4.4.17.1 Definitions.26 4.4.17.2 Limits.26 4.4.17.3 Conformance.26 4.4.18 Protection of input circuits.26 4.4.18.1 Definition.26 4.4.18.2 Limits.26 4.4.18.3 Conformance.26 5 Testing for compliance with technical requirements.27 5.1 Test conditions, power supply and ambient temperatures.27 5.1.1 General.27 5.1.2 Test power source.27 5.1.3 Normal test conditions.27 5.1.3.1 Normal temperature and humidity.27 5.1.3.2 Normal test power source.27 5.1.3.2.1 Mains voltage and frequency.27 5.1.3.2.2 Secondary battery power sources.27 5.1.3.2.3 Other power sources.27 5.1.4 Extreme test conditions.28 5.1.4.1 Extreme temperature tests.28 5.1.4.2 Extreme values of test power source.28 5.1.4.2.1 Mains voltage and mains frequency.28 5.1.4.2.2 Secondary battery power sources.28 5.1.4.2.3 Other power sources.28 5.1.5 Artificial antennas.28 5.1.5.1 Transmitters.28 5.1.5.2 Receivers.28 5.1.6 Standard test signals.29 5.1.6.1 Test signals applied to the receiver input.29 5.1.6.1.1 Sources.29 5.1.6.1.2 Levels.29 5.1.6.2 Normal test signals.29 5.1.6.2.1 Class of emission J3E.29 5.1.6.2.2 Class of emission F1B.29 5.1.6.3 Choice of testing frequencies.29 5.1.7 Warming up period.29 5.1.7.1 Time.29 5.1.7.2 Heaters.29 5.2 Interpretation of the measurement results.30 5.3 Essential radio test suites.30 5.3.1 Environmental tests.30 5.3.1.1 Introduction.30 5.3.1.2 Procedure.30 5.3.1.3 Performance check.31 SIST EN 300 373-3 V.1.1.1:2004

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5.3.1.4 Vibration test.31 5.3.1.5 Temperature tests.32 5.3.1.5.1 Dry heat.32 5.3.1.5.2 Damp heat.32 5.3.1.5.3 Low temperature cycle.33 5.3.1.6 Corrosion test.33 5.3.1.6.1 General.33 5.3.1.6.2 Method of measurement.33 5.3.1.7 Rain test.34 5.3.1.7.1 General.34 5.3.1.7.2 Method of measurement.34 5.3.2 Conformance tests.35 5.3.2.1 Unwanted frequency modulation.35 5.3.2.2 Sensitivity of the microphone and the 600 Ω line inputs for SSB telephony.35 5.3.2.3 Automatic level control and/or limiter for SSB telephony.35 5.3.2.4 Audio frequency response of SSB telephony.36 5.3.2.5 Residual hum and noise power for telephony.36 5.3.2.6 Residual frequency modulation on DSC.36 5.3.2.7 Continuous operation on telephony.36 5.3.2.8 Protection of transmitter.37 5.4 Other test specifications.37 5.4.1 General.37 5.4.2 Receiver frequency error.37 5.4.3 Unwanted frequency modulation.37 5.4.4 Pass band.38 5.4.4.1 Class of emission J3E.38 5.4.5 Reciprocal mixing.38 5.4.6 Harmonic content in output.38 5.4.7 Audio frequency intermodulation.38 5.4.8 Internally generated spurious signals.39 5.4.9 AGC efficiency.39 5.4.9.1 Settings.39 5.4.9.2 Increase in Signal-to-Noise Ratio (SNR).39 5.4.10 AGC time constants (attack and recovery time).39 5.4.11 Protection of input circuits.40 Annex A (normative): The EN Requirements Table (EN-RT).41 Annex B (normative): Class E Digital Selective Calling.43 B.1 General, operational and technical requirements.43 B.1.1 General and operational requirements.43 B.1.1.1 Composition.43 B.1.1.2 Frequencies.43 B.1.1.3 Controls and indicators.43 B.1.1.4 Facilities for coding and decoding of DSC.43 B.1.1.4.1 Call functions.43 B.1.1.4.2 MANUAL calls.44 B.1.1.4.3 Distress calls.44 B.1.1.4.4 ALL SHIPS calls.44 B.1.1.4.5 Incoming calls.44 B.1.1.5 DSC display.44 B.1.1.6 External loudspeaker.45 B.1.1.7 Memory data.45 B.1.1.8 Labelling.45 B.1.1.9 Warm up.45 B.2 Technical requirements.45 B.2.1 Class of emission.45 B.2.2 Facilities for DSC transmission and reception.45 B.2.2.1 General.45 B.2.2.2 Decoding.46 B.2.2.3 Free channel transmission.46 SIST EN 300 373-3 V.1.1.1:2004

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B.2.2.4 Automatic acknowledgement.46 B.2.2.5 Automatic re-transmission of distress calls.46 B.2.3 Ships identity - MMSI and Group MMSI.46 B.2.4 Entry of position information.46 B.2.5 Alarm circuits.47 B.2.5.1 Distress and urgency.47 B.2.5.2 Other categories.47 B.2.5.3 Acoustic alarms.47 B.2.5.4 Cancellation of alarms.47 B.2.6 Watch facilities.47 B.2.6.1 General.47 B.3 Technical requirements and methods of test for the watch receiver and associated DSC decoder.47 B.3.1 Scanning watch receiver efficiency.47 B.3.1.1 Definition.47 B.3.1.2 Method of measurement.47 B.3.1.3 Limits.48 B.3.2 Calling sensitivity.48 B.3.2.1 Definition.48 B.3.2.2 Method of measurement.48 B.3.2.3 Limits.48 B.3.3 Adjacent channel selectivity.48 B.3.3.1 Definition.48 B.3.3.2 Method of measurement.48 B.3.3.3 Limits.49 B.3.4 Co-channel rejection.49 B.3.4.1 Definition.49 B.3.4.2 Method of measurements.
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