Introduction
Official Requests: To obtain the complete specification (e.g., ICD-GPS-153C), developers often must submit a GPS Technical Library Document Request through the U.S. Coast Guard Navigation Center. ICD-GPS-153 vs. NMEA-0183 ICD-GPS-153 Primary Use Military/Industrial Timing & Emulation Consumer/Marine Navigation Data Format Binary/Structured ASCII (GSSIP) ASCII "Sentences" Common Messages Time Transfer, Current Status $GPGGA, $GPRMC, $GPVTG Accessibility Controlled/Restricted Fully Public Interface Control Documents - GPS.gov icd-gps-153 protocol
: The protocol provides a formal method for establishing and controlling the digital interface for DoD standard GPS receivers. Binary Protocol Introduction
Understanding the ICD-GPS-153 Protocol: The Backbone of Defense Navigation Official Requests: To obtain the complete specification (e
B-286466,B-286466.2 [Protest of Air Force Rejection of ... - GAO
Communication Parameters
While most commercial drones and marine electronics use NMEA (National Marine Electronics Association) text-based sentences, ICD-GPS-153 is a more robust, specialized alternative for military hardware. ICD-GPS-153 (GSSIP) Primary Use Commercial/Marine Military (DoD Standard) Format ASCII Text Sentences Binary/Mixed Structured Messages Security Minimal (Standard) Supports SAASM and Anti-Jam info Typical Hardware Smartphones, Boats PLGR, Tactical Transceivers Why It Matters Today