View PDF (1.8 MB) Defines the functional data transfer interface between the GPS Control Segment (CS) and the GPS user and user-support communities during the Operational Control System (OCS) / Architecture Evolution Plan (AEP) systems era ICD-GPS-870 E (Corrected - Do not use version dated ) Defines the characteristics of the L1 Civil (L1C) signal transmitted from GPS satellites to navigation receivers on radio frequency link 1 (L1) ICD-GPS-240 D (Corrected - Do not use version dated ) Defines the requirements related to the interface between the GPS space and user segments for radio frequency link 5 (L5) IS-GPS-800 J (Corrected - Do not use version dated ) Defines the requirements related to the interface between the GPS space and user segments for radio frequency link 1 (L1) and link 2 (L2) IS-GPS-705 J ICD Name Revision Date Description IS-GPS-200 N The Space Force will hold the 2022 Public Interface Control Working Group and Open Forum as a virtual meeting on September 28. The Space Force released the final Interface Revision Notices (IRNs) based on RFC-467: 2021 Proposed Revisions to the Public Documents The Space Force requests public comments on 3 Proposed Change Notices (PCNs) affecting IS-GPS-200, IS-GPS-705, and IS-GPS-800 ahead of the September ICWG meeting. : PCNs RELEASED - Comments due Sep 19, 2022.The Space Force released uprevisions to IS-GPS-200, IS-GPS-705, and IS-GPS-800 incorporating the IRNs released earlier this year. The procedure and process for development, control, and maintenance is the same for ICDs and ISs. Interface Specifications (ISs) are specific types of ICDs that only need approval from one government office or agency. Interface Control Documents (ICDs) are the formal means of establishing, defining, and controlling interfaces and for documenting detailed interface design information for the GPS program. The communication boundaries between the Global Positioning System and other systems, as well as within the GPS itself, are known as interfaces.
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