Garmin Garmis GPS Smart Antenna GP35-LVC User Manual

GPS 35 LP TracPak TMGPS SMART ANTENNATECHNICAL SPECIFICATIONModels:GPS35-LVCGPS35-LVSGPS35-HVS________________________________________________________

6 1) Latitude/longitude/altitude 2) Velocity 3) Date/time 4) Error estimates 5) Satellite and receiver statusNormally the GPS 35LP will sele

7minutes to calculate a navigation solution. AutoLocate™, unlike search the sky, does not requirethat the receiver continue to operate after a fix ha

8SECTION 3HARDWARE INTERFACE3.1 MECHANICAL DIMENSIONSThe GPS 35LP is a complete GPS receiver including antenna in a uniquely styled waterproof packag

93.2 MOUNTING CONFIGURATIONS AND OPTIONSThe following mounting options are available for the GPS 35LP. Mounting is user configurable.3.2.1 Magnetic

103.2.2 Trunk Lip MountThe trunk lip mount provides a semi-permanent attachment to the trunk lip of most automobiles.Fig. 4, Trunk Lip Mount Attachmen

113.2.3 Suction Cup MountThe suction cup bracket provides a removable mounting surface attached to the inside of a vehicle'swindshield.Fig. 5, Su

123.2.4 Flange MountThe flange mount allows for a permanent installation on a flat surface. This mounting configuration isideal in applications in whi

133.3 CONNECTION WIRING DESCRIPTIONThe GPS 35LP features a stripped and pre-tinned cable assembly for connection flexibility. The followingis a functi

14Software InterfaceThe GPS 35LP interface protocol design is based on the National Marine Electronics Association’sNMEA 0183 ASCII interface specific

154.1.2 Sensor Initialization Information (PGRMI)The $PGRMI sentence provides information used to initialize the sensor board set position and timeuse

ii© 2000 GARMIN Corporation, 1200 E. 151st Street, Olathe, KS 66062All rights reserved. No part of this manual may be reproduced or transmitted in any

16All configuration changes take effect after receipt of a valid value except baud rate and PPS mode.Baud rate and PPS mode changes take effect on the

174) $PGRMO,GPALM,1 will cause the sensor board to transmit all stored almanac information. Allother NMEA sentence transmission will be temporarily s

184.2 NMEA Transmitted SentencesThe subsequent paragraphs define the sentences which can be transmitted on TXD1 by the GPS 35LPreceivers.4.2.1 Sentenc

194.2.2 Transmitted TimeThe GPS 35LP receivers output UTC (Coordinated Universal Time) date and time of day in thetransmitted sentences. Prior to th

20<6> GPS quality indication, 0 = fix not available, 1 = Non-differential GPS fix available, 2 = Differentia

21<12> Mode indicator (only output if NMEA 2.30 active), A = Autonomous, D = Differential, E =Estimated, N = Data not valid4.2.8 Track Made Goo

22 $PGRMF,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>,<13>,<14

234.3 Baud Rate SelectionBaud rate selection can be performed by sending the appropriate configuration sentence to the sensorboard as described in the

24Appendix AEarth DatumsThe following is a list of the GARMIN GPS 35LP earth datum indexes and the corresponding earthdatum name (including the area o

2542 KANDAWALA - Sri Lanka43 KERGUELEN ISLAND - Kerguelen Island44 KERTAU 1948 - West Malaysia, Singapore45 L.C. 5 ASTRO - Cayman Brac Island46 LIBERI

iiiCAUTIONThe GPS system is operated by the government of the United States which is solely responsible for itsaccuracy and maintenance. Although the

2691 SOUTHEAST BASE - Porto Santo and Madeira Islands92 SOUTHWEST BASE - Faial, Graciosa, Pico, Sao Jorge, and Terceira Islands (Azores)93 TIMBALAI 19

27Appendix BGPS 35LP Evaluation KitsGPS 35LP evaluation materials kit (part number 010-10186-00) is available from Garmin International.This kit inclu

28GPS25PM.EXEThe Garmin Phase Monitor Program, GPS25PM.EXE, provides the following functions: - Display and log phase data output from TXD2- Upload a

29Appendix CPhase Output Data Binary FormatTwo records are transmitted once per second by the GPS 35LP. One record contains primarily post-process in

30lat Latitude (rad)lon Longitude (rad)lon_vel Longitude velocity (mt/sec)lat_vel Latitude velocity (mt/sec)alt_vel Altitude velocity (mt/sec)Receiver

31dle and etx bytes:Software written to receive the two records should filter dle and etx bytes as described below:typedef enum{dat,dle,etx} rx_state_

32GARMIN Phase Monitor Program - gps25pm.exeCommand Line Argumentsdefault:/com1 - selects which PC serial port to use for communication - com1, com2

33The bottom section contains program messages. Upload and download status messages will appearhere as well as any program error messages.Commands:D

34File FormatsALMANAC.DATExample almanac entry:**** Week 794 almanac for PRN-01 ************ID: 01Health:

35Ephemeris Record- 0x10 (dle is first byte)- 0x2A (ephemeris record identifier)- 0x74 (size of data)- eph_type (see description below)- one by

ivTABLE OF CONTENTS1. Introduction 11.1 Overview 11.2 Features 11.3 Naming Conventions 21.4 Te

36TIM time_of_week week_numberRCV svid snr (T)rack/(C)ycle_slip phase pseudo_range cyclesPVT time lat lon alt lat_vel lon_vel alt_vel epe eph epvTIM

37GARMIN Corporation1200 East 151st StreetOlathe, KS 66062(913)397-8200(913)397-8282 FAX190-00148-00 Rev. E

1SECTION 1INTRODUCTION1.1 OVERVIEWThe GARMIN GPS 35LP is a complete GPS receiver, including an embedded antenna, designed for abroad spectrum of OEM

210) Binary Format Phase Data Output on TXD211) Flexible input voltage levels of 3.6Vdc to 6.0Vdc with overvoltage protection in the -LVx versions,a

32) Input current: 120 mA typical 140 mA max -LVx versions, 20 mA while in power down. 870mW typical 1000mW max -HVx version, 300uA while in po

44) One-pulse-per-second timing output5) Binary Format Phase Data1.5 APPLICATIONFig. 1, TYPICAL APPLICATION ARCHITECTURE

5SECTION 2OPERATIONAL CHARACTERISTICSThis section describes the basic operational characteristics of the GPS 35LP. Additional informationregarding inp