EN IEC 61162-1:2024

SLOVENSKI STANDARD
01-julij-2024
Pomorska navigacijska in radiokomunikacijska oprema in sistemi - Digitalni
vmesniki - 1. del: Enosmerna komunikacija: en govorec - več poslušalcev (IEC
61162-1:2024)
Maritime navigation and radiocommunication equipment and systems - Digital interfaces
- Part 1: Single talker and multiple listeners (IEC 61162-1:2024)
Navigations- und Funkkommunikationsgeräte und -systeme für die Seeschifffahrt -
Digitale Schnittstellen - Teil 1: Ein Datensender und mehrere Datenempfänger (IEC
61162-1:2024)
Matériels et systèmes de navigation et de radiocommunication maritimes - Interfaces
numériques - Partie 1: Émetteur unique et récepteurs multiples (IEC 61162-1:2024)
Ta slovenski standard je istoveten z: EN IEC 61162-1:2024
ICS:
33.060.01 Radijske komunikacije na Radiocommunications in
splošno general
47.020.70 Navigacijska in krmilna Navigation and control
oprema equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 61162-1

NORME EUROPÉENNE
EUROPÄISCHE NORM May 2024
ICS 47.020.70 Supersedes EN 61162-1:2016
English Version
Maritime navigation and radiocommunication equipment and
systems - Digital interfaces - Part 1: Single talker and multiple
listeners
(IEC 61162-1:2024)
Matériels et systèmes de navigation et de Navigations- und Funkkommunikationsgeräte und -systeme
radiocommunication maritimes - Interfaces numériques - für die Seeschifffahrt - Digitale Schnittstellen - Teil 1: Ein
Partie 1: Émetteur unique et récepteurs multiples Datensender und mehrere Datenempfänger
(IEC 61162-1:2024) (IEC 61162-1:2024)
This European Standard was approved by CENELEC on 2024-05-09. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61162-1:2024 E

European foreword
The text of document 80/1093/FDIS, future edition 6 of IEC 61162-1, prepared by IEC/TC 80 "Maritime
navigation and radiocommunication equipment and systems" was submitted to the IEC-CENELEC
parallel vote and approved by CENELEC as EN IEC 61162-1:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2025-02-09
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-05-09
document have to be withdrawn
This document supersedes EN 61162-1:2016 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 61162-1:2024 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 61023 NOTE Approved as EN 61023
IEC 61108-1 NOTE Approved as EN 61108-1
IEC 61108-2 NOTE Approved as EN 61108-2
IEC 61108-3 NOTE Approved as EN 61108-3
IEC 61108-4 NOTE Approved as EN 61108-4
IEC 61108-5 NOTE Approved as EN IEC 61108-5
IEC 61162-2 NOTE Approved as EN 61162-2
IEC 61162-450 NOTE Approved as EN IEC 61162-450
IEC 61174 NOTE Approved as EN 61174
IEC 61924-2 NOTE Approved as EN IEC 61924-2
IEC 61993-2 NOTE Approved as EN IEC 61993-2
IEC 61996-1 NOTE Approved as EN 61996-1
IEC 61996-2 NOTE Approved as EN 61996-2
IEC 62065 NOTE Approved as EN 62065
IEC 62287-2 NOTE Approved as EN 62287-2
IEC 62288 NOTE Approved as EN IEC 62288
IEC 62320 (series) NOTE Approved as EN 62320 (series)
IEC 62320-1 NOTE Approved as EN 62320-1
IEC 62320-2 NOTE Approved as EN 62320-2
IEC 62320-3 NOTE Approved as EN 62320-3
IEC 62388 NOTE Approved as EN 62388
IEC 62616 NOTE Approved as EN 62616
IEC 62923-1 NOTE Approved as EN IEC 62923-1
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60945 - Maritime navigation and EN 60945 -
radiocommunication equipment and
systems - General requirements - Methods
of testing and required test results
ISO/IEC 8859-1 1998 Information technology - 8-bit single-byte - -
coded graphic character sets - Part 1: Latin
alphabet No.1
ITU-T 1996 Electrical characteristics for balanced - -
Recommendation double-current interchange circuits
X.27/V.11 operating at data signalling rates up to 10
Mbit/s
IEC 61162-1 ®
Edition 6.0 2024-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Maritime navigation and radiocommunication equipment and systems – Digital
interfaces –
Part 1: Single talker and multiple listeners
Matériels et systèmes de navigation et de radiocommunication maritimes –
Interfaces numériques –
Partie 1: Émetteur unique et récepteurs multiples
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 47.020.70 ISBN 978-2-8322-7831-4

– 2 – IEC 61162-1:2024 © IEC 2024
CONTENTS
FOREWORD . 8
INTRODUCTION . 10
1 Scope . 11
2 Normative references . 11
3 Terms and definitions . 11
4 Manufacturer's documentation . 12
5 Hardware specification . 12
5.1 General . 12
5.2 Interconnecting wire . 12
5.3 Conductor definitions . 12
5.4 Electrical connections/shield requirements . 13
5.5 Connector . 13
5.6 Electrical signal characteristics . 13
5.6.1 General . 13
5.6.2 Signal state definitions . 13
5.6.3 Talker drive circuits . 13
5.6.4 Listener receive circuits . 13
5.6.5 Electrical isolation . 14
5.6.6 Maximum voltage on bus . 14
6 Data transmission . 14
7 Data format protocol . 15
7.1 Characters . 15
7.1.1 General . 15
7.1.2 Reserved characters . 15
7.1.3 Valid characters . 15
7.1.4 Undefined characters . 15
7.1.5 Character symbols . 15
7.1.6 Manufacturer's mnemonic code . 15
7.2 Fields . 16
7.2.1 String . 16
7.2.2 Address field . 16
7.2.3 Data fields . 17
7.2.4 Checksum field . 18
7.2.5 Sequential message identifier field . 18
7.3 Sentences . 18
7.3.1 General structure . 18
7.3.2 Description of approved sentences . 18
7.3.3 Parametric sentences . 19
7.3.4 Encapsulation sentences . 20
7.3.5 Query sentences . 22
7.3.6 Proprietary sentences . 23
7.3.7 Command sentences . 23
7.3.8 Valid sentences . 24
7.3.9 Multi-sentence messages . 24
7.3.10 Sentence transmission timing . 24
7.3.11 Additions to approved sentences . 25

IEC 61162-1:2024 © IEC 2024 – 3 –
7.3.12 Message reception timeout for multi-sentence method . 25
7.4 Error detection and handling . 25
7.5 Handling of deprecated sentences . 25
8 Data content . 25
8.1 Character definitions . 25
8.2 Field definitions . 28
8.3 Approved sentences . 31
8.3.1 General format . 31
8.3.2 AAM – Waypoint arrival alarm . 31
8.3.3 ABK – AIS addressed and binary broadcast acknowledgement . 32
8.3.4 ABM – AIS addressed binary and safety related message . 33
8.3.5 ACA – AIS channel assignment message . 34
8.3.6 ACK – Acknowledge alarm . 35
8.3.7 ACN – Alert command . 35
8.3.8 ACS – AIS channel management information source . 36
8.3.9 AGL – Alert group list . 37
8.3.10 AIR – AIS interrogation request . 37
8.3.11 AKD – Acknowledge detail alarm condition . 39
8.3.12 ALA – Report detailed alarm condition . 39
8.3.13 ALC – Cyclic alert list . 40
8.3.14 ALF – Alert sentence . 41
8.3.15 ALR – Set alarm state . 44
8.3.16 APB – Heading/track controller (autopilot) sentence B . 44
8.3.17 ARC – Alert command refused . 45
8.3.18 BBM – AIS broadcast binary message . 45
8.3.19 BEC – Bearing and distance to waypoint – Dead reckoning . 46
8.3.20 BOD – Bearing origin to destination . 47
8.3.21 BWC – Bearing and distance to waypoint – Great circle . 47
8.3.22 BWR – Bearing and distance to waypoint – Rhumb line . 47
8.3.23 BWW – Bearing waypoint to waypoint . 47
8.3.24 CUR – Water current layer – Multi-layer water current data . 48
8.3.25 DBT – Depth below transducer . 48
8.3.26 DDC – Display dimming control . 48
8.3.27 DOR – Door status detection . 51
8.3.28 DPT – Depth . 53
8.3.29 DSC – Digital selective calling information . 53
8.3.30 DSE – Expanded digital selective calling . 54
8.3.31 DTM – Datum reference . 54
8.3.32 EPM – Command or report long equipment property value. 55
8.3.33 EPV – Command or report equipment property value . 56
8.3.34 ETL – Engine telegraph operation status . 58
8.3.35 EVE – General event message . 59
8.3.36 FIR – Fire detection . 59
8.3.37 FSI – Frequency set information . 60
8.3.38 GBS – GNSS satellite fault detection . 61
8.3.39 GDC – GNSS differential correction . 64
8.3.40 GEN – Generic binary information . 67
8.3.41 GFA – GNSS fix accuracy and integrity . 68
8.3.42 GGA – Global positioning system (GPS) fix data. 69

– 4 – IEC 61162-1:2024 © IEC 2024
8.3.43 GLL – Geographic position – Latitude/longitude . 69
8.3.44 GNS – GNSS fix data . 70
8.3.45 GRS – GNSS range residuals . 72
8.3.46 GSA – GNSS DOP and active satellites . 75
8.3.47 GST – GNSS pseudorange error statistics . 78
8.3.48 GSV – GNSS satellites in view . 78
8.3.49 HBT – Heartbeat supervision sentence . 81
8.3.50 HCR – Heading correction report . 81
8.3.51 HDG – Heading, deviation and variation . 82
8.3.52 HDT – Heading true . 82
8.3.53 HMR – Heading monitor receive . 82
8.3.54 HMS – Heading monitor set . 83
8.3.55 HRM – Heel angle, roll period and roll amplitude measurement device . 83
8.3.56 HSC – Heading steering command . 85
8.3.57 HSS – Hull stress surveillance systems . 85
8.3.58 HTC – Heading/track control command; HTD – Heading /track control
data . 85
8.3.59 LR1 – AIS long-range reply sentence 1 . 87
8.3.60 LR2 – AIS long-range reply sentence 2 . 87
8.3.61 LR3 – AIS long-range reply sentence 3 . 88
8.3.62 LRF – AIS long-range function . 88
8.3.63 LRI – AIS long-range interrogation . 89
8.3.64 MOB – Man over board notification . 90
8.3.65 MSK – MSK receiver interface . 91
8.3.66 MSS – MSK receiver signal status . 92
8.3.67 MTW – Water temperature . 92
8.3.68 MWD – Wind direction and speed . 92
8.3.69 MWV – Wind speed and angle . 92
8.3.70 NAK – Negative acknowledgement . 93
8.3.71 NLS – Navigation light status . 94
8.3.72 NRM – NAVTEX receiver mask . 95
8.3.73 NRX – MSI received message . 96
8.3.74 NSR – Navigation status report . 98
8.3.75 OSD – Own ship data . 99
8.3.76 POS – Device position and ship dimensions report or configuration

command . 100
8.3.77 PRC – Propulsion remote control status . 101
8.3.78 RLM – Return link message . 102
8.3.79 RMA – Recommended minimum specific LORAN-C data . 103
8.3.80 RMB – Recommended minimum navigation information . 103
8.3.81 RMC – Recommended minimum specific GNSS data . 104
8.3.82 ROR – Rudder order status . 106
8.3.83 ROT – Rate of turn . 106
8.3.84 RPM – Revolutions . 106
8.3.85 RRT – Report route transfer . 106
8.3.86 RSA – Rudder sensor angle. 108
8.3.87 RSD – Radar system data . 108
8.3.88 RTE – Routes . 109
8.3.89 SEL – Selection report . 109

IEC 61162-1:2024 © IEC 2024 – 5 –
8.3.90 SFI – Scanning frequency information . 110
8.3.91 SLM – Steering location/mode . 111
8.3.92 SM1 – SafetyNET Message, All Ships/NavArea . 112
8.3.93 SM2 – SafetyNET Message, Coastal Warning Area . 114
8.3.94 SM3 – SafetyNET Message, Circular Area address . 116
8.3.95 SM4 – SafetyNET Message, Rectangular Area Address . 118
8.3.96 SMB – IMO SafetyNET Message Body . 121
8.3.97 SMV – SafetyNET Message, Vessel in distress information . 122
8.3.98 SPW – Security password sentence . 124
8.3.99 SSD – AIS ship static data . 125
8.3.100 STN – Multiple data ID . 126
8.3.101 THS – True heading and status . 126
8.3.102 TLB – Target label . 126
8.3.103 TLL – Target latitude and longitude . 127
8.3.104 TRC – Thruster control data . 127
8.3.105 TRD – Thruster response data . 128
8.3.106 TRL – AIS transmitter-non-functioning log . 128
8.3.107 TTD – Tracked target data . 129
8.3.108 TTM – Tracked target message . 132
8.3.109 TUT – Transmission of multi-language text . 132
8.3.110 TXT – Text transmission . 133
8.3.111 UID – User identification code transmission . 134
8.3.112 VBC – Water-referenced and ground-referenced docking speed data . 134
8.3.113 VBW – Dual ground/water speed . 135
8.3.114 VDM – AIS VHF data-link message . 135
8.3.115 VDO – AIS VHF data-link own-vessel report . 136
8.3.116 VDR – Set and drift . 137
8.3.117 VER – Version . 137
8.3.118 VHW – Water speed and heading . 138
8.3.119 VLW – Dual ground/water distance . 138
8.3.120 VPW – Speed measured parallel to wind . 138
8.3.121 VSD – AIS voyage static data . 138
8.3.122 VTG – Course over ground and ground speed . 140
8.3.123 WAT – Water level detection . 140
8.3.124 WCV – Waypoint closure velocity . 141
8.3.125 WNC – Distance waypoint to waypoint . 142
8.3.126 WPL – Waypoint location . 142
8.3.127 XDR – Transducer measurements . 142
8.3.128 XTE – Cross-track error, measured . 145
8.3.129 XTR – Cross-track error, dead reckoning . 145
8.3.130 ZDA – Time and date . 146
8.3.131 ZDL – Time and distance to variable point . 146
8.3.132 ZFO – UTC and time from origin waypoint . 146
8.3.133 ZTG – UTC and time to destination waypoint . 146
9 Applications . 147
9.1 Example parametric sentences . 147
9.1.1 General . 147
9.1.2 Example 1 – LORAN-C latitude/longitude . 147
9.1.3 Example 2 – LORAN-C arrival alarm . 147

– 6 – IEC 61162-1:2024 © IEC 2024
9.1.4 Example 3 – Proprietary sentence . 148
9.1.5 Example 4 – RMA examples . 148
9.1.6 Example 5 – FSI examples . 149
9.1.7 Example 6 – MSK/MSS examples . 149
9.1.8 Example 7 – DSC and DSE sentences . 150
9.1.9 Example 8 – FIR, DOR and WAT sentences . 150
9.2 Example encapsulation sentences . 151
9.3 Examples of receiver diagrams . 151
Annex A (informative) Example encapsulation sentence . 152
A.1 Example encapsulation sentence . 152
A.2 AIS VHF data-link message VDM sentence encapsulation example . 152
A.3 Background discussion – Encapsulation coding . 152
A.4 Decoding the encapsulated string . 156
A.5 Conversion from symbols to binary bits . 156
A.6 Organising the binary message data . 157
A.7 Interpreting the decoded binary strings . 157
Annex B (normative) Guidelines for methods of testing and required test results . 158
B.1 General . 158
B.2 Definition of environmental conditions for the tests . 158
B.3 Examination of the manufacturer's documentation . 158
B.4 Test of hardware . 159
B.4.1 Interface units . 159
B.4.2 Input circuit test . 159
B.4.3 Check of electrical isolation . 159
B.4.4 Maximum input voltage test . 159
B.4.5 Test arrangement for performance tests according to IEC 60945 . 159
B.4.6 Test under maximum interface workload . 159
B.4.7 Test for correct parsing of sentences . 160
B.4.8 Test under long term conditions . 161
B.4.9 Protocol test of the interface of the EUT . 161
Annex C (normative) Six-bit binary field conversion . 167
Annex D (normative) Alarm system fields . 170
Annex E (informative) Example of use of FIR, DOR and WAT sentences . 178
E.1 Example of the use of system status messages . 178
E.2 Use of system division codes . 178
E.3 Send complete status. 179
E.4 Change measurement point status . 180
E.5 Point status change during a status update . 180
E.6 Failure in a sub-system . 180
E.7 Status updates when a sub-system is in fault . 181
E.8 Signal a correction of a sub-system fault . 181
Bibliography . 182

Figure 1 – Listener receive circuit . 14
Figure 2 – Data transmission format . 14
Figure 3 – Example 1, J-FET, N channel, opto-isolator based listener circuit . 151
Figure 4 – Example 2, NPN opto-isolator based listener circuit . 151

IEC 61162-1:2024 © IEC 2024 – 7 –
Figure A.1 – Message data format . 154
Figure A.2 – Work sheet for decoding and interpreting encapsulated string. 155
Figure C.1 – 6-bit binary code converted to valid IEC 61162-1 character . 168
Figure C.2 – Valid IEC 61162-1 character converted to 6-bit binary code . 169
Figure E.1 – Example system diagram . 179

Table 1 – Reserved characters . 26
Table 2 – Valid characters . 26
Table 3 – Character symbol . 27
Table 4 – Talker identifier mnemonics . 28
Table 5 – Field type summary . 30
Table A.1 – Example message from ITU-R M.1371 . 153
Table B.1 – Example – Special characters . 160
Table B.2 – Example – Parsing . 160
Table B.3 – Example – Future extensions . 161
Table B.4 – Example – Data string GGA sent by the EUT to the test receiver (listener) . 162
Table B.5 – Example – Checksum data sent . 163
Table B.6 – Example – Data string GNS received by the EUT . 164
Table B.7 – Example – Checksum data received . 165
Table B.8 – Example – Break of data line . 166
Table B.9 – Example – Receiving interval . 166
Table B.10 – Example – Talker ID . 166
Table C.1 – Six-bit binary field conversion table . 167
Table D.1 – System alarm fields . 170

– 8 – IEC 61162-1:2024 © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MARITIME NAVIGATION AND RADIOCOMMUNICATION
EQUIPMENT AND SYSTEMS – DIGITAL INTERFACES –

Part 1: Single talker and multiple listeners

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
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consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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6) All users should ensure that they have the latest edition of this publication.
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
may be required to implement this document. However, implementers are cautioned that this may not represent
the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
IEC 61162-1 has been prepared by IEC technical committee 80: Maritime navigation and
radiocommunication equipment and systems. It is an International Standard.
This sixth edition cancels and replaces the fifth edition published in 2016. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) alternative hardware is given in 5.1 which may now be as specified in this document or as
specified in IEC 61162-2;
b) the data transmission rate given in Clause 6 is now configurable. The default remains as
4 800 (bits/s) but higher rates may be provided;

IEC 61162-1:2024 © IEC 2024 – 9 –
c) new identifiers have been added to Table 4;
d) new sentences AGL, EPM, GDC, NLS, SEL, SLM, SMV and VBC have been added;
e) revisions have been made to ABK, ABM, ACN, ALC, ALF, ARC, BBM, DDC, DTM, EPV, FIR,
GBS, GFA, GLL, GNS, GRS, GSA, GST, GSV, HRM, NRX, POS, RLM, ROR, RSA, TLB,
TTD, VSD and XDR;
f) the previous Annex A, Glossary, has been deleted as being of historical interest.
The text of this International Standard is based on the following documents:
Draft Report on voting
80/1093/FDIS 80/1097/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications.
A list of all parts in the IEC 61162 series, published under the general title Maritime navigation
and radiocommunication equipment and systems – Digital interfaces, can be found on the IEC
website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
IMPORTANT – The "colour inside" logo on the cover page of this document indicates
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