Low Cost Garmin GPS 18-LVC OEM Timing System

for the

PSN-ADC-SERIAL ADC Board

Last Updated: 5/21/2007

Contents:

• Garmin GPS 18-LVC Timing System Specifications

• Price

• Documentation

• Software

• DB-9 Serial Connector Pinout

GPS 18-LVC Specifications:

• Integrated GPS Receiver and Antenna in One Small 61 mm (2.4 inch) Diameter Package

• 1 Pulse Per Second CMOS Output Accurate to 1 Microsecond Synchronized to GPS (UTC) Time

• 12 Parallel Channel GPS Receiver with WAAS

• < 15 Meters Position Accuracy without SA, < 3 Meters with WAAS

• Time to Fix: Cold - 45 Sec, Warm - 38 Sec, and Reacquisition - < 2 Seconds

• NMEA 0183 Version 2.0 and 3.0 Output Messages; GPALM, GPGGA, GPGLL, GPGSA, GPGSV, GPRMC, and GPVTG

• 4800 Baud Default Comm Port Speed 

• WGS-84 Map Datum

• 1 Per Second Update Rate

• < -165 dbW Receiver Sensitivity

• 0.3 Watts Power Requirements  

• Input Voltage / Current - +4.0 to 5.5 DC at 60 MA

• -30° to +80° Centigrade or -22° to +176° Fahrenheit Operational Temperature 

• Weight - 116g

• 3 Meter (10 Feet ) or 5 Meter (16 Feet) Cable Length

• More Specifications...

Price:

Cost: $85.00 USD each plus shipping. Price includes the female 9-Pin RS-232 connector soldered to the signal/power cable. Please see this page for ordering information. This item is in-stock.

Documentation:

The documentation for the GPS 18 receiver can be downloaded from here. 

Software: 

The Garmin GPS 18 Timing System as been tested with the following software packages:

• WinSDR

• WinPlotGPS

• DeLorme's Street Atlas USA

• DeLorme's Eartha Global Explorer

9-Pin Serial Connector Pinout:

The Garmin GPS18-LVC receiver is shipped from the manufacturer with a small JST test connector. This connector is removed and a 9-Pin RS-232 female connector is soldered to the end of the cable. This is done so the receiver can be plugged into the 16 Bit PSN-ADC-SERIAL Analog to Digital Converter board. Below is the pinout and wire color of the 9-Pin connector. 

• Pin 1 - One pulse per second output. This is the DCD or Data Carrier Detect line. (Yellow Wire)

• Pin 2 - Serial Data Output from the Receiver (White Wire)

• Pin 3 - Serial Data Input to the Receiver (Green Wire)

• Pin 4 - + 4.0 to 5.5 Volts DC Power Input (Red Wire)

• Pin 5 - Ground (Black Wires)

• Pin 6 - Not Connected

• Pin 7 - Not Connected

• Pin 8 - Not Connected

• Pin 9 - Not Connected