Interface Specification IS-GPS-200 defines the requirements related to the interface between the space segment of the Global Positioning System and the navigation user segment of the GPS for radio frequency link 1 (L1) and link 2 (L2). Versions of the document prior to Revision D were designated as ICDs instead of ISs.
Interface Specification IS-GPS-705 defines the requirements related to the interface between the space segment of the Global Positioning System and the navigation user segment of the GPS for radio frequency link 5 (L5).
Interface Specification IS-GPS-800 defines the characteristics of a signal transmitted from GPS satellites to navigation receivers on radio frequency link 1 (L1). While there are multiple signals broadcast within the frequency band of L1, this Interface Specification defines only the signal denoted L1 Civil (L1C).
Interface Control Document ICD-GPS-870 defines the functional data transfer interface between the GPS Next Generation Operational Control System (OCX) and the GPS user and user-support communities. The ICD describes the data files that are transferred in this interface and the means by which they are distributed. ICD-GPS-870 captures the same interface as ICD-GPS-240 (Navstar GPS Control Segment to User Support Community Interfaces), but for the OCX era.
BeiDou Navigation Satellite System
Signal in Space Inteface Control Document Open Service Signal B1I (Version 1.0).
GLOBAL NAVIGATION SATTELITE SYSTEM GLONASS INTERFACE CONTROL DOCUMENT (Edition 5.1).
U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION SPECIFICATION FOR THE WIDE AREA AUGMENTATION SYSTEM (WAAS)
Quasi Zenith Satellite System Navigation Service Interface Specifications for QZSS