The Use of Enhanced Radar Positioning Systems (ERPS)
Year: 2022 Language: english Author: IALA Genre: Guide Format: PDF Quality: eBook Pages count: 13 Description: Radar has traditionally been used as a resilient relative positioning system. When used with fixed, known absolute position targets, a fair absolute position solution for a vessel can be manually calculated. But identifying targets can be difficult and published (navigation chart) positions may be approximate. A system known as Enhanced Radar Positioning System (ERPS) uses specially modified racons (radar beacons, or eRacons) with specially modified radars (eRadars) to allow radars to automatically calculate absolute position. In this system, eRacons provide their absolute position encoded on their response signals to eRadars, which use these signals to calculate their own vessels’ positions. The system is independent from Global Navigation Satellite System (GNSS). This Guideline supports the provision of resilient PNT services as recommended in the IALA Recommendation R1017 [2], by introducing ERPS, detailing the system to aid interoperability, outlining practical issues, and defining the next steps in the process to adopt ERPS use.
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The Use of Enhanced Radar Positioning Systems (ERPS)
Language: english
Author: IALA
Genre: Guide
Format: PDF
Quality: eBook
Pages count: 13
Description: Radar has traditionally been used as a resilient relative positioning system. When used with fixed, known absolute position targets, a fair absolute position solution for a vessel can be manually calculated. But identifying targets can be difficult and published (navigation chart) positions may be approximate. A system known as Enhanced Radar Positioning System (ERPS) uses specially modified racons (radar beacons, or eRacons) with specially modified radars (eRadars) to allow radars to automatically calculate absolute position. In this system, eRacons provide their absolute position encoded on their response signals to eRadars, which use these signals to calculate their own vessels’ positions. The system is independent from Global Navigation Satellite System (GNSS).
This Guideline supports the provision of resilient PNT services as recommended in the IALA Recommendation R1017 [2], by introducing ERPS, detailing the system to aid interoperability, outlining practical issues, and defining the next steps in the process to adopt ERPS use.
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