Garmin 190-00266-00 GPS Receiver User Manual
Contents
1. Latitude ddmm mmmm format leading zeros will be transmitted Latitude hemisphere N or S Longitude dddmm mmmm format leading zeros will be transmitted Longitude hemisphere E or W GPS quality indication 0 fix not available 1 Non differential GPS fix available 2 Differential GPS DGPS fix available 6 Estimated Number of satellites in use 00 to 12 leading zeros will be transmitted Horizontal dilution of precision 0 5 to 99 9 Antenna height above below mean sea level 9999 9 to 99999 9 meters Geoidal height 999 9 to 9999 9 meters Not used Not used 3 2 4 GPS DOP and Active Satellites GSA GPGSA lt 1 gt lt 2 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 3 gt lt 4 gt lt 5 gt lt 6 gt hh lt CR gt lt LF gt Mode M manual A automatic Fix type 1 not available 2 2D 3 3D PRN number 01 to 32 of satellite used in solution up to 12 transmitted leading zeros will be transmitted Position dilution of precision 0 5 to 99 9 Horizontal dilution of precision 0 5 to 99 9 Vertical dilution of precision 0 5 to 99 9 GPS 15 TECHNICAL SPECIFICATIONS Page 11 P N 190 00266 00 Rev A 3 2 5 GPS Satellites in View GSV GPGSV lt 1 gt lt 2 gt lt 3 gt lt 4 gt lt 5 gt lt 6 gt lt 7 gt lt 4 gt lt 5 gt lt 6 gt lt 7 gt hh lt CR gt l2. FIGURE 5 GPS 15 W OUTLINE DRAWING ooccoococcoioonornncicnnacocanononnnrancnnncnnarncononnncarinoneanarac nn con EE A ASe VERSAS raTa Een 14 LIST OF TABLES TABLE 1 SIGNAL WIRE DESCRIPTIONS ssisissssssessasscinsss ssenesssciesssiacsesasdadsosevaensnanssesieasoassdodse osdssonsecondsod ssbeseodssdetsedsess 6 TABLE 2 NMEA 0183 OUTPUT SENTENCE ORDER aaa 10 Page ii GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00 1 INTRODUCTION 1 1 CAUTIONS CAUTION The GPS system is operated by the government of the United States which is solely responsible for its accuracy and maintenance Although the GPS 15 is a precision electronic NAVigation AID NAVAID any NAVAID can be misused or misinterpreted and therefore become unsafe Use these products at your own risk To reduce the risk carefully review and understand all aspects of these Technical Specifications before using the GPS 15 When in actual use carefully compare indications from the GPS to all available navigation sources including the information from other NAVAIDs visual sightings charts etc For safety always resolve any discrepancies before continuing navigation FCC Compliance The GPS 15 complies with Part 15 of the FCC interference limits for Class B digital devices FOR HOME OR OFFICE USE These limits are designed to provide reasonable protection against harmful interference in a residential installation and are more stringent than outdoor requirements Operat
3. GARMIN Corporation No 68 Jangshu 2 Road Shijr Taipei County Taiwan Telephone 886 2 2642 9199 FAX 886 2 2642 9099 Web Site Address www garmin com RECORD OF REVISIONS Revision Revision Description ECO Date P stev E TO Page A Rev A GPS 15 TECHNICAL SPECIFICATIONS P N 190 00266 00 TABLE OF CONTENTS 1 INTRODUCTION BU CAUTIONS cdas 1 2 LIMITED WARRANTY LS OVERVIEW cnica tdt sitas V 4 EE ALURES VE zj A SENSE NOE SVE VI E ORA DIR S IS TECHNICAE DRECIFIGAHONSI tocarla oi delana tipa 4 2 PINOUT 2 1 DESCRIPTION src ria cave ANI CE NE O EEA AA ID TE eo ea eve 6 2 2 DIAGRAM ai veko sok ab ta nekoli ein ida ei 7 3 SOFTWARE INTERFACE 3 1 RECEIVED NMEA 0183 SENTENCE Srni iresi donan Ee jh orion outs fle in GE ni nad ek ie Sid neja 8 3 2 TRANSMITTED NMEA 0183 SENTENCES aiat aeaa rr Erea ROSA EA OPE EISIEN EAE NIT SKOAN EIKE TEENE 10 4 MECHANICAL CHARACTERISTICS amp MOUNTING 1 eee eeccsseceseceecnsecaecaeceseaeseaeeeeeeeeenseens 14 Appendix A EARTH DATUMS ci00a ii A a A A EE A 15 GPS 15 TECHNICAL SPECIFICATIONS Page i P N 190 00266 00 Rev A LIST OF FIGURES FIGURE 1 COMPUTER SERIAL PORT INTERCONNECTION nana 7 FIGURE 2 PDA SERIAL PORT INTERCONNECTION was FIGURE 3 BASIC NMEA DEVICE INTERCONNECTION cece aka 7 FIGURE 4 GPS 15 F DIMENSIONS 25 04 cctcssesiesdeteedeanestesnsdudtesnivasedvaetisseitesevecshgateonepetsusecpnesiVorsgateresbestasteravnesnsonstigveet 14
4. lt 2 gt ROM checksum test P pass F fail lt 3 gt Receiver failure discrete P pass F fail lt 4 gt Stored data lost R retained L lost lt 5 gt Real time clock lost R retained L lost lt 6 gt Oscillator drift discrete P pass F excessive drift detected lt 7 gt Data collection discrete C collecting null if not collecting lt 8 gt GPS sensor temperature in degrees C lt 9 gt Not used GPS 15 TECHNICAL SPECIFICATIONS Page 13 P N 190 00266 00 Rev A 4 MECHANICAL CHARACTERISTICS 8 MOUNTING 142 081 940 3 60 gt 2 06 pe 23 88 gt 198 PON 5 04 j A y al Ce El 18 177 O sd Gates 1 387 37 85 35 22 EIN 1 A s e Tai U Y Y 20 aoe 432 22 67 10 97 DETAIL A SCALE 3 1 110 735 2 79 18 67 NOTES 1 DIMENSIONS IN MILLIMETERS INCHES 2 DIMENSION TOLERENCES 0 25mm 0 10 3 USE M2 MOUNTING SCREWS Figure 4 GPS 15 F Dimensions PIN 1 NOTES 1 DIMENSIONS IDENTICAL TO GPS 15 F 2 USE M2 MOUNTING SCREWS Figure 5 GPS 15 W Outline Drawing Page 14 GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00 Appendix A Earth Datums The following is a list of the GARMIN GPS 15 earth datum indices and the corresponding earth datum name including the area of application 0 ADINDAN Ethiopia Mal
5. 06 107 108 109 WAKE ENIWETOK 1960 Marshall Islands WORLD GEODETIC SYSTEM 1972 WORLD GEODETIC SYSTEM 1984 ZANDERIJ Surinam CH 1903 Switzerland Hu Tzu Shan Indonesia 74 Austria Potsdam Taiwan modified Hu Tzu Shan GDA Geocentric Datum of Australia Dutch GPS 15 TECHNICAL SPECIFICATIONS P N 190 00266 00 Page 17 Rev A This page intentionally left blank Page 18 GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00
6. MA tracking number The unit should be securely packed with the tracking number clearly written on the outside of the package The unit should then be sent freight charges prepaid to any GARMIN warranty service station A copy of the original sales receipt is required as the proof of purchase for warranty repairs GARMIN International Inc GARMIN Europe Ltd 1200 East 151 Street Unit 5 The Quadrangle Abbey Park Industrial Estate Olathe Kansas 66062 U S A Romsey SO51 9AQ U K Phone 913 397 8200 Phone 44 1794 519944 FAX 913 397 0836 FAX 44 1794 519222 Page 2 GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00 1 3 OVERVIEW The GPS 15 is part of GARMIN s latest generation of GPS sensor boards designed for a broad spectrum of OEM Original Equipment Manufacture system applications Based on the proven technology found in other GARMIN 12 channel GPS receivers the GPS 15 will track up to 12 satellites at a time while providing fast time to first fix one second navigation updates and low power consumption Its far reaching capabilities meet the sensitivity requirements of land navigation as well as the dynamics requirements of high performance aircraft These GPS designs utilize the latest technology and high level circuit integration to achieve superior performance while minimizing space and power requirements All critical components of the system including the RF IF receiver hardware and the digital baseband are designed an
7. N change to normal as opposed to power save mode GPS 15 TECHNICAL SPECIFICATIONS Page 9 P N 190 00266 00 Rev A 3 2 TRANSMITTED NMEA 0183 SENTENCES The subsequent paragraphs define the sentences that can be transmitted on COM 1 by the GPS sensor 3 2 1 Sentence Transmission Rate The GPS sensor will transmit each sentence except where noted in particular transmitted sentence descriptions at a one second rate The GPS sensor will transmit the following sentences contiguously The contiguous transmission starts at a GPS second boundary The information transmitted by the GPS sensor is referenced to the GPS second boundary immediately preceding the GPRMC sentence Table 2 NMEA 0183 Output Sentence Order Sentence Output by Default Once per minute v The maximum number of fields allowed in a single sentence is 82 characters including delimiters Values in the table include the sentence start delimiter character and the termination delimiter lt CR gt lt LF gt The factory set defaults will result in a once per second transmission at the NMEA 0183 specification transmission rate of 4800 baud Page 10 GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00 3 2 2 Transmitted Time The GPS sensor outputs UTC Coordinated Universal Time date and time of day in the transmitted sentences Prior to the initial position fix the on board clock provides the date and time of day After the initial positi
8. OF GREAT BRITAIN 1936 England Isle of Man Scotland Shetland Islands Wales 33 GUAM 1963 Guam Island 34 GUX 1 ASTRO Guadalcanal Island 35 HJORSEY 1955 Iceland 36 HONG KONG 1963 Hong Kong 37 INDIAN Bangladesh India Nepal 38 INDIAN Thailand Vietnam 39 IRELAND 1965 Ireland 40 ISTS 073 ASTRO 1969 Diego Garcia 41 JOHNSTON ISLAND 1961 Johnston Island 42 KANDAWALA Sri Lanka 43 KERGUELEN ISLAND Kerguelen Island 44 KERTAU 1948 West Malaysia Singapore GPS 15 TECHNICAL SPECIFICATIONS Page 15 P N 190 00266 00 Rev A L C 5 ASTRO Cayman Brac Island LIBERIA 1964 Liberia LUZON Mindanao Island LUZON Phillippines excluding Mindanao Island MAHE 1971 Mahe Island MARCO ASTRO Salvage Islands MASSAWA Eritrea Ethiopia MERCHICH Morocco MIDWAY ASTRO 1961 Midway Island MINNA Nigeria NORTH AMERICAN 1927 Alaska NORTH AMERICAN 1927 Bahamas excluding San Salvador Island NORTH AMERICAN 1927 Central America Belize Costa Rica El Salvador Guatemala Honduras Nicaragua NORTH AMERICAN 1927 Canal Zone NORTH AMERICAN 1927 Canada including Newfoundland Island NORTH AMERICAN 1927 Caribbean Barbados Caicos Islands Cuba Dominican Republic Grand Cayman Jamaica Leeward Islands Turks Islands NORTH AMERICAN 1927 Mean Value CONUS NORTH AMERICAN 1927 Cuba NORTH AMERICAN 1927 Greenland Hayes Peninsula NORTH AMERICAN 1927 Mexico NORTH AMERICAN 1927 San
9. Salvador Island NORTH AMERICAN 1983 Alaska Canada Central America CONUS Mexico NAPARIMA BWI Trinidad and Tobago NAHRWAN Masirah Island Oman NAHRWAN Saudi Arabia NAHRWAN United Arab Emirates OBSERVATORIO 1966 Corvo and Flores Islands Azores OLD EGYPTIAN Egypt OLD HAWAIIAN Mean Value OMAN Oman PICO DE LAS NIEVES Canary Islands PITCAIRN ASTRO 1967 Pitcairn Island PUERTO RICO Puerto Rico Virgin Islands QATAR NATIONAL Qatar QORNOQ South Greenland REUNION Mascarene Island ROME 1940 Sardinia Island RT 90 Sweden PROVISIONAL SOUTH AMERICAN 1956 Bolivia Chile Colombia Ecuador Guyana Peru Venezuela SOUTH AMERICAN 1969 Argentina Bolivia Brazil Chile Colombia Ecuador Guyana Paraguay Peru Venezuela Trinidad and Tobago SOUTH ASIA Singapore PROVISIONAL SOUTH CHILEAN 1963 South Chile SANTO DOS Espirito Santo Island SAO BRAZ Sao Miguel Santa Maria Islands Azores SAPPER HILL 1943 East Falkland Island SCHWARZECK Namibia SOUTHEAST BASE Porto Santo and Madeira Islands SOUTHWEST BASE Faial Graciosa Pico Sao Jorge and Terceira Islands Azores TIMBALAI 1948 Brunei and East Malaysia Sarawak and Sabah TOKYO Japan Korea Okinawa TRISTAN ASTRO 1968 Tristan da Cunha User defined earth datum VITI LEVU 1916 Viti Levu Island Fiji Islands GPS 15 TECHNICAL SPECIFICATIONS P N 190 00266 00 98 100 101 102 103 104 105 1
10. Source Q fre GPS 15 PDA Serial Port PIN 2 DATA OUT PIN 3 DATA IN PIN 5 GROUND DB 9 Serial Connector Male Pin Contacts Interconnection a 2 3 e 4 5 e 6 WHITE BACKUP POWER BLACK GROUND RED POWER GPS 15 YELLOW PORT 1 DATA OUT BLUE PORT 1 DATA IN Power Data Cable ORANGE RF BIAS Figure 2 PDA Serial Port Interconnection j ao GPS 1 5 Power Source gt 3 Basic Interconnection Host Application NMEA Device POWER be 1 WHITE BACKUP POWER GROUND 2 BLACK GROUND DATA OUT H 3 RED POWER A GPS 15 4 YELLOW PORT 1 DATA OUT 5 BLUE PORT 1 DATA IN Power Data Cable e ORANGE RF BIAS Figure 3 Basic NMEA Device Interconnection GPS 15 TECHNICAL SPECIFICATIONS Page 7 P N 190 00266 00 Rev A 3 SOFTWARE INTERFACE The GPS 15 interface protocol design on COM 1 is based on the National Marine Electronics Association s NMEA 0183 ASCII interface specification This standard is fully defined in NMEA 0183 Version 3 0 copies may be obtained from NMEA www nmea org The GPS 15 interface protocol in addition to transmitting navigation information as defined by NMEA 0183 transmits additional information using the convention of GARMIN proprietary sentences The following sections describe the NMEA 0183 data fo
11. Ta NA A nr ECHNICAL PEGIFIGATIONS GARMIN International Inc 1200 E 151 Street Olathe KS 66062 USA 190 00266 00 Revision A August 2002 O Copyright 2002 GARMIN Ltd or its subsidiaries All Rights Reserved Except as expressly provided below no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without the express prior written consent of GARMIN GARMIN hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Information in this document is subject to change without notice GARMIN reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or organization of such changes or improvements GARMIN International Inc 1200 East 151 Street Olathe KS 66062 U S A Telephone 913 397 8200 FAX 913 397 8282 GARMIN Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9AQ U K Telephone 44 1794 519944 FAX 44 1794 519222
12. d manufactured by GARMIN to ensure the quality and capability of the GPS The hardware capability combined with software intelligence makes the GPS 15 easy to integrate and use These are complete GPS receivers that require minimal additional components to be supplied by an OEM or system integrator A minimum system must provide the GPS with a source of power an active GPS antenna and a clear view of the GPS satellites The system may communicate with the GPS 15 via its CMOS level serial port The GPS 15 stores data such as satellite orbital parameters last known position date and time in battery backed up SRAM End user interfaces such as keyboards and displays are the responsibility of the application designer 1 4 FEATURES e 12 channel GPS receiver tracks and uses up to 12 satellites for fast accurate positioning and low power consumption e Compact rugged design ideal for applications with minimal space May be remotely mounted in an out of the way location Receiver status information can be displayed directly on a chartplotter or PC e User initialization is not required Once installed unit will automatically transmit navigation data e User configurable navigation mode 2 dimensional or 3 dimensional fix e Provision for external power to maintain the non volatile SRAM and real time clock e Optional on board backup battery to maintain the non volatile SRAM and real time clock for up to 21 days GPS 15 TECHNICAL SPECIFICATIONS Pag
13. date of purchase Within this period GARMIN will at its sole option repair or replace any components that fail in normal use Such repairs or replacement will be made at no charge to the customer for parts or labor provided that the customer shall be responsible for any transportation cost This warranty does not cover failures due to abuse misuse accident or unauthorized alteration or repairs THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you GARMIN retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY To obtain warranty service contact your local GARMIN authorized dealer Or call GARMIN Customer Service at one of the numbers shown below for shipping instructions and an R
14. e 3 P N 190 00266 00 Rev A 1 5 TECHNICAL SPECIFICATIONS Specifications are subject to change without notice 1 5 1 Physical Characteristics 1 5 1 1 Size 0 940 23 88 mm wide 1 690 42 93 mm long 0 309 7 84 mm high 1 5 1 2 Weight 0 35 oz 10 g 1 5 1 3 Available Connector Options e GPS 15 F GPS 15 F 6 pin LIF connector 1 millimeter pitch e GPS 15 W GPS 15 W 6 pin JST connector 1 millimeter pitch mating wire harness included NOTE available in Asia or by special order 1 5 2 Electrical Characteristics 1 5 2 1 Input Voltage 3 3 Vdc regulated 50 mV ripple 1 5 2 2 Input Current 85 mA peak 80 mA nominal 1 5 2 3 GPS Receiver Sensitivity 165 dBW minimum 1 5 3 GPS Performance 1 5 3 1 Receiver e 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites to compute and update your position 1 5 3 2 Acquisition Times e Reacguisition Less than 2 seconds e Warm Approximately 15 seconds all data known e Cold Approximately 45 seconds initial position time and almanac known ephemeris unknown e AutoLocate M 5 minutes almanac known initial position and time unknown e SkySearch 5 minutes no data known 1 5 3 3 Update Rate e second 1 5 3 4 Accuracy e GPS Standard Positioning Service SPS Position lt 15 meters 95 typical 100 meters with Selective Availability on Velocity 0 1 knot RMS steady state e Dynamics 999 knots velocity on
15. fix ddmmyy format Magnetic variation 000 0 to 180 0 degrees leading zeros will be transmitted Magnetic variation direction E or W westerly variation adds to true course Mode indicator A Autonomous D Differential E Estimated N Data not valid 3 2 7 Estimated Error Information PGRME PGRME lt 1 gt M lt 2 gt M lt 3 gt M hh lt CR gt lt LF gt Estimated horizontal position error HPE 0 0 to 999 9 meters Estimated vertical position error VPE 0 0 to 999 9 meters Estimated position error EPE 0 0 to 999 9 meters 3 2 8 Map Datum PGRMM The GARMIN Proprietary sentence PGRMM gives the name of the map datum currently in use by the GPS sensor This information is used by the GARMIN MapSource real time plotting application PGRMM lt 1 gt hh lt CR gt lt LF gt Name of map datum currently in use variable length field e g WGS 84 Page 12 GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00 3 2 9 Sensor Status Information PGRMT The GARMIN Proprietary sentence PGRMT gives information concerning the status of the GPS sensor This sentence is transmitted once per minute regardless of the selected baud rate PGRMT lt 1 gt lt 2 gt lt 3 gt lt 4 gt lt 5 gt lt 6 gt lt 7 gt lt 8 gt lt 9 gt hh lt CR gt lt LF gt lt 1 gt Product model and software version variable length field e g GPS 17 VER 2 05
16. i Senegal Sudan 1 AFGOOYE Somalia 2 AIN EL ABD 1970 Bahrain Island Saudi Arabia 3 ANNA 1 ASTRO 1965 Cocos Island 4 ARC 1950 Botswana Lesotho Malawi Swaziland Zaire Zambia Zimbabwe 5 ARC 1960 Kenya Tanzania 6 ASCENSION ISLAND 1958 Ascension Island 7 ASTRO BEACON E Iwo Jima Island 8 AUSTRALIAN GEODETIC 1966 Australia Tasmania Island 9 AUSTRALIAN GEODETIC 1984 Australia Tasmania Island 10 ASTRO DOS 71 4 St Helena Island 11 ASTRONOMIC STATION 1952 Marcus Island 12 ASTRO B4 SOROL ATOLL Tern Island 13 BELLEVUE IGN Efate and Erromango Islands 14 BERMUDA 1957 Bermuda Islands 15 BOGOTA OBSERVATORY Colombia 16 CAMPO INCHAUSPE Argentina 17 CANTON ASTRO 1966 Phoenix Islands 18 CAPE CANAVERAL Florida Bahama Islands 19 CAPE South Africa 20 CARTHAGE Tunisia 21 CHATHAM 1971 Chatham Island New Zealand 22 CHUA ASTRO Paraguay 23 CORREGO ALEGRE Brazil 24 DJAKARTA BATAVIA Sumatra Island Indonesia 25 DOS 1968 Gizo Island New Georgia Islands 26 EASTER ISLAND 1967 Easter Island 27 EUROPEAN 1950 Austria Belgium Denmark Finland France Germany Gibraltar Greece Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland 28 EUROPEAN 1979 Austria Finland Netherlands Norway Spain Sweden Switzerland 29 FINLAND HAYFORD 1910 Finland 30 GANDAJIKA BASE Republic of Maldives 31 GEODETIC DATUM 1949 New Zealand 32 ORDNANCE SURVEY
17. ion of this device is subject to the following conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help The GPS 15 does not contain any user serviceable parts Unauthorized repairs or modifications could result in permanent damage to the equipment and void your warranty and your authority to operate this device under Part 15 regulations GPS 15 TECHNICAL SPECIFICATIONS Page 1 P N 190 00266 00 Rev A 1 2 LIMITED WARRANTY This GARMIN product is warranted to be free from defects in materials or workmanship for one year from the
18. ith the exception of the Receiver Command which is a command rather than a mode can also be obtained by sending PGRMIE to the GPS sensor PGRMI lt 1 gt lt 2 gt lt 3 gt lt 4 gt lt 5 gt lt 6 gt lt 7 gt hh lt CR gt lt LF gt Latitude ddmm mmm format leading zeros must be transmitted Latitude hemisphere N or S Longitude dddmm mmm format leading zeros must be transmitted Longitude hemisphere E or W Current UTC date ddmmyy format Current UTC time hhmmss format Receiver Command A lt Auto Locate R lt Unit Reset Page 8 GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00 3 1 2 Sensor Configuration Information PGRMC The PGRMC sentence provides information used to configure the GPS sensor s operation Configuration parameters are stored in non volatile memory and retained between power cycles The GPS sensor will echo this sentence upon its receipt if no errors are detected If an error is detected the echoed PGRMC sentence will contain the current default values Current default values can also be obtained by sending PGRMCE to the GPS sensor PGRMC lt 1 gt lt 2 gt lt 3 gt lt 4 gt lt 5 gt lt 6 gt lt 7 gt lt 8 gt lt 9 gt lt 10 gt lt 11 gt lt 12 gt lt 13 gt lt 14 gt hh lt CR gt lt LF gt Fix mode A automatic 2 2D exclusively host system must supply altitude 3 3D exclusively Altitude above below mean sea level 1500 0 to 18000 0
19. ly limited at altitude greater than 60 000 feet 6g dynamics Page 4 GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00 1 5 4 Interfaces 1 5 4 1 Electrical Characteristics 1 5 4 1 1 GPS15 e CMOS level output for interfacing directly to a host microprocessor e Jumper settings determine baud rate Factory setting is 4800 baud 1 5 4 2 Port 1 Protocols e NMEA 0183 Version 3 00 e ASCII output sentences GPGGA GPGSA GPGSV and GPRMC NMEA approved sentences PGRME PGRMM and PGRMT GARMIN proprietary sentences e NMEA 0183 Outputs see Section 3 2 for full protocol specifications Position velocity and time Receiver and satellite status Geometry and error estimates e 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 e Temperature 30 C to 80 C Operating 40 C to 90 C Storage GPS 15 TECHNICAL SPECIFICATIONS Page 5 P N 190 00266 00 Rev A 2 PINOUT 2 1 DESCRIPTION The GPS 15 F utilizes a six pin LIF connector The GPS 15 W utilizes a six pin JST connector with mating wire harness included Table 1 Signal Wire Descriptions Le pin BACKUP POWER This input provides external power to maintain the battery backed SRAM and real time clock This enables the user to provide backup power if needed for longer than the optional on board backup battery will provide roughly 21 days Input vol
20. meters Earth datum index If the user datum index 96 is specified fields lt 4 gt through lt 8 gt must contain valid values Otherwise fields lt 4 gt through lt 8 gt must be null Refer to Appendix A for a list of earth datums and the corresponding earth datum index User earth datum semi major axis 6360000 000 to 6380000 000 meters 001 meters resolution User earth datum inverse flattening factor 285 0 to 310 0 10 resolution User earth datum delta x earth centered coordinate 5000 0 to 5000 0 meters 1 meter resolution User earth datum delta y earth centered coordinate 5000 0 to 5000 0 meters 1 meter resolution User earth datum delta z earth centered coordinate 5000 0 to 5000 0 meters 1 meter resolution Not used Not used Velocity filter 0 No filter 1 Automatic filter 2 255 Filter time constant e g 10 10 second filter Not used Not used Dead reckoning valid time 1 30 sec All configuration changes take effect after receipt of a valid value 3 1 3 Miscellaneous Commands PGRMO The PGRMO sentence provides the ability to change between normal and power save modes as well as select Garmin data format for the remainder of the power cycle PGRMO lt 1 gt lt 2 gt hh lt CR gt lt LF gt Not used Command where B change to power save mode G change to Garmin proprietary data format for the remainder of the power cycle
21. on fix the date and time of day are calculated using GPS satellite information The GPS sensor uses information obtained from the GPS satellites to add or delete UTC leap seconds and correct the transmitted date and time of day The transmitted date and time of day for leap second correction follow the guidelines in National Institute of Standards and Technology Special Publication 432 Revised 1990 for sale by the Superintendent of Documents U S Government Printing Office Washington D C 20402 U S A When a positive leap second is required the second is inserted beginning at 23h 59m 60s of the last day of a month and ending at 0h 0m Os of the first day of the following month The minute containing the leap second is 61 seconds long The GPS sensor would have transmitted this information for the leap second added December 31 1989 as follows Date Time 311289 235959 311289 235960 010190 000000 If a negative leap second should be reguired one second will be deleted at the end of some UTC month The minute containing the leap second will be only 59 seconds long In this case the GPS sensor will not transmit the time of day 23h 59m 59s for the day from which the leap second is removed 3 2 3 Global Positioning System Fix Data GGA GPGGA lt 1 gt lt 2 gt lt 3 gt lt 4 gt lt 5 gt lt 6 gt lt 7 gt lt 8 gt lt 9 gt M lt 10 gt M lt 11 gt lt 12 gt hh lt CR gt lt LF gt UTC time of position fix hhmmss format
22. rmat of each sentence transmitted and received by the GPS 15 3 1 RECEIVED NMEA 0183 SENTENCES The subsequent paragraphs define the sentences that can be received on the GPS sensors COM 1 port Null fields in the configuration sentence indicate no change in the particular configuration parameter All sentences received by the GPS sensor must be terminated with lt CR gt lt LF gt the ASCII characters for carriage return OD hexadecimal and line feed OA hexadecimal The checksum hh is used for parity checking data and is not reguired but is recommended for use in environments containing high electromagnetic noise It is generally not reguired in normal PC environments When used the parity bytes hh are the ASCII representation of the exclusive or XOR sum of all the characters between the and characters non inclusive Sentences may be truncated by lt CR gt lt LF gt after any data field and valid fields up to that point will be acted on by the GPS sensor 3 1 1 Sensor Initialization Information PGRMI The PGRMI sentence provides information used to initialize the GPS sensor s set position and time used for satellite acquisition Receipt of this sentence by the GPS sensor causes the software to restart the satellite acquisition process If there are no errors in the sentence it will be echoed upon receipt If an error is detected the echoed PGRMI sentence will contain the current default values Current PGRMI defaults w
23. t LF gt Total number of GSV sentences to be transmitted Number of current GSV sentence Total number of satellites in view 00 to 12 leading zeros will be transmitted Satellite PRN number 01 to 32 leading zeros will be transmitted Satellite elevation 00 to 90 degrees leading zeros will be transmitted Satellite azimuth 000 to 359 degrees true leading zeros will be transmitted Signal to noise ratio C No 00 to 99 dB null when not tracking leading zeros will be transmitted NOTE Items lt 4 gt lt 5 gt lt 6 gt and lt 7 gt repeat for each satellite in view to a maximum of four 4 satellites per sentence Additional satellites in view information must be sent in subsequent bursts of NMEA 0183 data These fields will be null if unused 3 2 6 Recommended Minimum Specific GPS TRANSIT Data RMC GPRMC lt 1 gt lt 2 gt lt 3 gt lt 4 gt lt 5 gt lt 6 gt lt 7 gt lt 8 gt lt 9 gt lt 10 gt lt 11 gt lt 12 gt hh lt CR gt lt LF gt UTC time of position fix hhmmss format Status A Valid position V NAV receiver warning Latitude ddmm mmmm format leading zeros will be transmitted Latitude hemisphere N or S Longitude dddmm mmmm format leading zeros will be transmitted Longitude hemisphere E or W Speed over ground 000 0 to 999 9 knots leading zeros will be transmitted Course over ground 000 0 to 359 9 degrees true leading zeros will be transmitted UTC date of position
24. tage must be between 2 8 and 3 4 Vdc GROUND Power and Signal Ground 3 POWER Regulated 3 3 Vdc input Peak operating current is 85 mA Nominal operating current is 80 mA 4 PORT 1 DATA OUT Serial Asynchronous Output CMOS compatible output designed to interface directly with a host microprocessor Provides serial data which is formatted per NMEA 0183 Version 3 0 The baud rate is set during production to 4800 but other rates are available 5 PORT 1 DATA IN First Serial Asynchronous Input CMOS compatible input designed to interface directly with a host microprocessor Maximum input voltage range of 0 lt V lt 3 3 RF BIAS This input allows the user to externally apply a RF bias to the active antenna Units are shipped with this feature disabled By default the unit will use an internal voltage to power the active antenna Page 6 GPS 15 TECHNICAL SPECIFICATIONS Rev A P N 190 00266 00 2 2 DIAGRAMS PIN 5 GROUND Fuse G PS 1 5 Power Source 1A Computer Serial Port Interconnection 1 WHITE BACKUP POWER 2 BLACK GROUND PIN 3 DATA OUT PIN 2 DATA IN DB 9 Serial Connector Female Pin Contacts F 3 RED POWER GPS 1 5 4 YELLOW PORT 1 DATA OUT 5 BLUE PORT 1 DATA IN oe Power Data Cable e 6 ORANGE RF BIAS igure 1 Computer Serial Port Interconnection Power
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