Garmin GPS 15 Technical Specifications

Also see for GPS 15: Technical specifications

Garmin GPS 15 Technical Specifications Manual pdf 11 page image

GPS 15 Technical Specifications (P/N 190-00266-00) Rev. BPage 51.5.4 GPS Performance1.5.4.1 Receiver12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites to compute and updateyour position.1.5.4.2 Acquisition Times• Reacquisition: Less than 2 seconds• Warm: Approx. 15 seconds (all data known)• Cold: Approx. 45 seconds (initial position, time, and almanac known; ephemeris unknown)• AutoLocateTM: 5 minutes (almanac known; initial position and time unknown)• SkySearch: 5 minutes (no data known)1.5.4.3 Update Rate1 record per second1.5.4.4 Accuracy• GPS Standard Positioning Service (SPS)Position: < 15 meters, 95% typicalVelocity: 0.1 knot RMS steady state• Dynamics: 999 knots velocity (only limited at altitude greater than 60,000 feet),6g acceleration, <6g jerk1.5.5 Interfaces1.5.5.1 GPS 15 Electrical Characteristics• CMOS level output for interfacing directly to an asynchronous serial port on the host microprocessor.• Factory jumper settings determine baud rate (not user-accessible). Factory setting is 4800 baud.1.5.5.2 Port 1 Protocols• NMEA 0183 Version 2.20• ASCII output sentences GPGGA, GPGSA, GPGSV, and GPRMC (NMEA-approved sentences);PGRME, PGRMM, and PGRMT (Garmin proprietary sentences)• NMEA 0183 Outputs (see Section 4.2 Transmitted NMEA 0183 Sentences for full protocolspecifications)Position, velocity, and timeReceiver and satellite statusGeometry and error estimates• NMEA 0183 Inputs (see Section 4.1 Received NMEA 0183 Sentences for full protocol specifications)Initialize position, date, and time (not required)Initialize Earth datum