IEC 61108-1 pdf download

IEC 61108-1 pdf download

IEC 61108-1 pdf download Maritime navigation and radiocommunication equipment and systems – Global navigation satellite systems (GNSS) – Part 1: Global positioning system (GPS) – Receiver equipment – Performance standards, methods of testing and required test results
1 Scope
This part of lEC 61108 specifies the minimum performance standards,methods of testing andrequired test results for GPs shipborne receiver equipment,based on lMO ResolutionMSC.112(73), which uses the signals from the United States of America,Department ofDefence (us DoD),Global Positioning System (GPS) in order to determine position.Adescription of the GPs sPs is given in the normative reference – GPS, sPs signal specifi-cation – USA Department of Defence – 3rd Edition October 2001. This receiver standardapplies to phases of the voyage “other waters” as defined in lMO Resolution A.529(13).
All text of this standard, whose meaning is identical to that in IMO Resolution MSC.112(73), isprinted in italics and the Resolution and paragraph number indicated between brackets i.e.(M.112/A1.2).
The requirements in clause 4 are cross-referenced to the tests in clause 5 and vice versa.
2Normative references
The following referenced documents are indispensable for the application of this document.For dated references,only the edition cited applies. For undated references, the latest editionof the referenced document (including any amendments) applies.
IEC 60721-3-6:1987,Classification of environmental conditions – Part 3: Classification ofgroups of environmental parameters and their severities – Ship environment
IEC 60945,Maritime navigation and radiocommunication equipment and systems – Generalrequirements – Methods of testing and required test results
IEC 61162(all parts),Maritime navigation and radiocommunication equipment and systems -Digital interfaces
IMO Resolution A.529(13):1983,Accuracy standards for navigation
IMO Resolution A.694(17):1991,General requirements for shipborne radio equipment formingpart of the Global maritime distress and safety system(GMDSS) and for electronicnavigational aids
IMO Resolution A.815(19):1995, Worldwide radionavigation system
IMO Resolution MSC.112(73);2000,Performance standards for shipborne global positioningsystem (GPS) receiver equipment
3 Terms, definitions and abbreviations
For the purposes of this document, all definitions and abbreviations used are the same as those used in the normative reference of the GPS SPS performance signal specification.
3.1 Definitions
ability of the system to provide users with warnings within a specified time when the system should not be used for navigation
3.2 Abbreviations
COG – Course Over Ground
DGPS – Differential Global Positioning System
GPS – Global Positioning System
HDOP – Horizontal Dilution Of Precision
PDOP – Position Dilution Of Precision
RAIM – Receiver Autonomous Integrity Monitor
SDME – Speed and Distance Measuring Equipment
SOG – Speed Over Ground
SPS – Standard Positioning Service
USNO – United States Naval Observatory
UTC – Universal Time Coordinated
4 Minimum performance standards
4.1 Object (M.1 1 2/A1 .2) Receiver equipment for the Global Positioning System (GPS) system intended for navigational purposes on ships with maximum speeds not exceeding 70 knots shall, in addition to the general requirements contained in resolution A.694(17) 1 , comply with the following minimum performance requirements.

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