Icd-gps-059 Pdf Jun 2026

: Defines implementation for Area Navigation (RNAV) data, such as desired track, cross-track error, and distance-to-go.

One of the most referenced sections of the is the definition of the PRN codes. GPS works based on Code Division Multiple Access (CDMA). Every satellite transmits on the same frequency but uses a unique "code" to identify itself. icd-gps-059 pdf

| Standard | Focus Area | Availability | | :--- | :--- | :--- | | | Navstar GPS Space Segment/Navigation User Interfaces | Public (via GPS.gov) | | NMEA 0183 | Commercial GPS data sentences (position, velocity, time) | Public | | STANAG 4294 | NATO standard for GPS receiver internal interfaces | Restricted to NATO nations | | RTCM SC-104 | Differential GPS corrections | Public | : Defines implementation for Area Navigation (RNAV) data,

Companies like Raytheon, Lockheed Martin, Northrop Grumman, and BAE Systems need to design GPS receiver modules that plug into larger weapons systems (e.g., JDAM bombs, guided artillery shells, or UAVs). The ICD ensures that their custom antenna unit will talk correctly to a government-furnished or third-party processing card. Every satellite transmits on the same frequency but

The is a vital yet highly restricted document for anyone building, testing, or maintaining military-grade GPS equipment. While its scarcity can be frustrating for engineers, the access controls exist to protect national security and maintain the integrity of the U.S. GPS PPS.