Global maritime distress and safety system (GMDSS) - Part 2: COSPAS-SARSAT EPIRB - Satellite emergency position indicating radio beacon operating on 406 MHz - Operational and performance requirements, methods of testing and required test results

Specifies the minimum performance requirements, technical characteristics and type-testing requirements of the satellite emergency position-indicating radio beacon used in the COSPAS-SARSAT satellite system (satellite EPIRB), as required by the International Convention for Safety of Life at Sea (SOLAS).

General Information

Status
Published
Publication Date
25-Sep-2002
Current Stage
DELPUB - Deleted Publication
Completion Date
22-Jan-2008
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IEC 61097-2:2002 - Global maritime distress and safety system (GMDSS) - Part 2: COSPAS-SARSAT EPIRB - Satellite emergency position indicating radio beacon operating on 406 MHz - Operational and performance requirements, methods of testing and required test results Released:9/26/2002 Isbn:2831865867
English language
40 pages
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INTERNATIONAL IEC
STANDARD
61097-2
Second edition
2002-09
Global maritime distress and safety
system (GMDSS) –
Part 2:
COSPAS-SARSAT EPIRB –
Satellite emergency position indicating radio
beacon operating on 406 MHz –
Operational and performance requirements,
methods of testing and required test results

Reference number
Publication numbering
As from 1 January 1997 all IEC publications are issued with a designation in the

60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1.

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edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the

base publication incorporating amendment 1 and the base publication incorporating

amendments 1 and 2.
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INTERNATIONAL IEC
STANDARD
61097-2
Second edition
2002-09
Global maritime distress and safety
system (GMDSS) –
Part 2:
COSPAS-SARSAT EPIRB –
Satellite emergency position indicating radio
beacon operating on 406 MHz –
Operational and performance requirements,
methods of testing and required test results

 IEC 2002  Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch  Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale
W
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue

– 2 – 61097-2  IEC:2002(E)
CONTENTS
FOREWORD . 4

INTRODUCTION .5

1 Scope . 6

2 Normative references. 6

3 Performance requirements. 7

3.1 Compliance . 7

3.2 General . 8
3.3 Operational. 8
3.4 Distress function.10
3.5 Float-free arrangements .11
3.6 Environment .11
3.7 Environment for float-free arrangement.12
3.8 Interference – electromagnetic compatibility .12
3.9 Maintenance.12
3.10 Safety precautions.12
3.11 Equipment manuals .13
3.12 Labelling.14
3.13 Installation.14
4 Technical characteristics .15
4.1 Transmitted frequency .15
4.2 Signal and message format .15
4.3 Distress message memory.15
4.4 Beacon identification code .15
4.5 121,5 MHz homing signal.15
4.6 Power source.15
4.7 Antenna characteristics (C/S T.001) .16
5 Methods of testing and required test results.16
5.1 General .16
5.2 General tests .18
5.3 Operational tests .19
5.4 Distress function.21

5.5 Float-free arrangements .22
5.6 Environment .22
5.7 Maintenance.23
5.8 Safety precautions.23
5.9 Equipment manuals .23
5.10 Labelling.23
5.11 Installation.23
5.12 Power source.23
5.13 Environment .24
5.14 Interference testing.26
5.15 Spurious emissions.26
5.16 Compass safe distance.26
5.17 Conducted interference.26

61097-2  IEC:2002(E) – 3 –
Annex A (normative) Sequence of tests.27

A.1 Compulsory sequence of tests .27

A.2 Additional tests .27

Annex B (normative) List of COSPAS-SARSAT tests.29

B.1 Power output .29

B.2 Digital message .29

B.3 Digital message generator .29

B.4 Modulation.29
B.5 406 MHz transmitted frequency.30
B.6 Spurious emissions (into 50 Ω) .30
B.7 406 MHz VSWR check.30
B.8 Self-test mode .30
B.9 Thermal shock (30 °C change).30
B.10 Operating lifetime at minimum temperature.31
B.11 Temperature gradient (5 °C/h) .31
B.12 Long-term frequency stability.31
B.13 Protection against continuous transmission .31
B.14 Satellite qualitative tests .31
B.15 Antenna characteristics.31
B.16 Beacon Coding Software.32
B.17 Navigation System.32
Annex C (normative) Standard for a manually activated satellite EPIRB without a
float-free mechanism.33
C.1 Requirements .33
Annex D (normative) Technical standard for 121,5 MHz homing device.34
D.1 General .34
D.2 Performance requirements.34
D.3 Technical characteristics .34

D.4 Methods of testing and required test results.35
Annex E (informative) User experience of COSPAS-SARSAT EPIRB operation .40

– 4 – 61097-2  IEC:2002(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION

____________
GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) –

Part 2: COSPAS-SARSAT EPIRB – Satellite emergency position

indicating radio beacon operating on 406 MHz –

Operational and performance requirements,

methods of testing and required test results

FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
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6) Attention is drawn to the possibility that some of the elements of this I
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