Garmin GPS 18 Technical Specifications

Also see for GPS 18 5Hz: Reference guide Features Setup guide

Contents

Garmin GPS 18 Technical Specifications Manual pdf 12 page image

GPS 18 Technical Specifications (190-00307-00) Rev. DPage 61.5.2.4 GPS Receiver Sensitivity-165 dBW minimum1.5.3 Environmental Characteristics• Operating Temperature: -30°C to +80°C• Storage Temperature: -40°C to +90°C1.5.4 GPS Performance1.5.4.1 ReceiverWAAS enabled; 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites (up to 11with Measurement Pulse Output active) to compute and update your 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 Rate• GPS 18 USB, PC, and LVC: 1 record per second• GPS 18-5Hz: 5 records per second1.5.4.4 Accuracy• GPS Standard Positioning Service (SPS)Position: < 15 meters, 95% typicalVelocity: 0.1 knot RMS steady state• WAASPosition: < 3 meters, 95% typicalVelocity: 0.1 knot RMS steady state• Measurement Pulse Output Time: ±1 microsecond at rising edge of the pulse• Dynamics: 999 knots velocity (only limited at altitude greater than 60,000 feet), 6g dynamics