
GPS 15 TECHNICAL SPECIFICATIONS Page 5
P/N 190-00266-00 Rev. A
1.5.4 Interfaces
1.5.4.1 Electrical Characteristics
1.5.4.1.1 GPS 15
• CMOS level output for interfacing directly to a host microprocessor.
• Jumper settings determine baud rate. Factory setting is 4800 baud.
1.5.4.2 Port 1 Protocols
• NMEA 0183 Version 3.00
• ASCII output sentences GPGGA, GPGSA, GPGSV, and GPRMC (NMEA-approved sentences);
PGRME, PGRMM, and PGRMT (GARMIN proprietary sentences)
• NMEA 0183 Outputs (see Section 3.2 for full protocol specifications)
Position, velocity and time
Receiver and satellite status
Geometry and error estimates
• NMEA 0183 Inputs (see Section 3.1 for full protocol specifications)
Initial position, date and time (not required)
Earth datum
1.5.5 Environmental Characteristics
• Temperature: -30°C to +80°C (Operating); -40°C to +90°C (Storage)