GPS 10 TECHNICAL SPECIFICATIONS Garmin International, Inc. 1200 E. 151st Street Olathe, KS 66062 USA 190-00516-00, Revision A December 2004 GPS 10 Technical Specifications (P/N 190-00516-00) Rev.
© Copyright 2004 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.
TABLE OF CONTENTS 1 Introduction..................................................................................................................1 1.1 Cautions ............................................................................................................................................1 1.2 Limited Warranty ..............................................................................................................................2 1.3 Overview...............................................
3.2.11 GPS Fix Data Sentence (PGRMF).........................................................................................................14 3.2.12 Sensor Status Information (PGRMT) ....................................................................................................14 3.2.13 3D velocity Information (PGRMV).......................................................................................................14 3.2.14 DGPS Beacon Information (PGRMB)..........................................
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 10 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 10.
1.2 LIMITED WARRANTY This Garmin product is warranted to be free from defects in materials or workmanship for one year from the 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.
1.3 OVERVIEW The GPS 10 product includes an embedded receiver and an antenna. Based on the proven technology found in other Garmin 12-channel GPS receivers, the GPS 10 tracks up to 12 satellites at a time while providing fast time-to-first-fix, one-second navigation updates, and low power consumption. This generation of GPS sensors adds the capability of FAA Wide Area Augmentation System (WAAS) differential GPS.
1.5 GPS 10 There is one version of the GPS 10 available. 1.5.1 GPS 10 Wireless Receiver The GPS 10 uses Bluetooth wireless technology to interface with a mobile device (Computer/PDA) that is Bluetooth wireless technology enabled. Class 2 Bluetooth device with power control capability based on the Bluetooth System Specification, Version 1.1. The supported profile is Serial Profile (SSP) Accessories provided with the GPS 10: Velcro Mounting Patch (Not shown0, 12 V DC Cigarette Lighter Charging Adapter.
1.6 TECHNICAL SPECIFICATIONS Specifications are subject to change without notice. 1.6.1 Physical Characteristics 1.6.1.1 Size 45mm wide, 88mm long and 19mm in height. 1.6.1.2 Weight 80.0 grams 1.6.1.3 Color Black w/Gray Accents 1.6.1.4 Case Material Polycarbonate thermoplastic case that is waterproof to IEC 60529 IPX7 level (immersion in 1 meter of water for 30 minutes) 1.6.2 Electrical Characteristics 1.6.2.1 Input Voltage 4.8 – 6.5V 1.6.2.2 Input Current 500mA @ 5.0V 1.6.2.
1.6.4 GPS Performance 1.6.4.1 Receiver WAAS enabled; 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites (up to 11 with PPS active) to compute and update your position. 1.6.4.2 Acquisition Times • Reacquisition: Less than 2 seconds • Warm: • Cold: Approx. 15 seconds (all data known) Approx.
2 MECHANICAL CHARACTERISTICS & MOUNTING The unit contains an integrated magnetic mount and is supplied with a Velcro patch for mounting on nonferrous surfaces. The following drawing show example geometry for mounting hardware in case you wish to design your own custom mount. Figure 1 shows the mounting footprint. Figure 2 shows operational characteristics of the GPS 10. Figure 1. GPS 10 Bottom Case Dimensions Figure 2.
3 GPS 10 SOFTWARE INTERFACE The interface protocol design of the GPS 10 product is based on the National Marine Electronics Association’s NMEA 0103 ASCII interface specification. This standard is fully defined in NMEA 0103, Version 2.30. Copies may be obtained from NMEA, www.nmea.org. In addition to the standard NMEA 0103 sentences, the GPS 10 may also be configured to transmit information over their serial interface using NMEA 0103 compliant Garmin proprietary sentences.
3.1.2 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.
<1> NMEA 0103 output time 1-900 (sec) <2> Binary Phase Output Data, 1 = Off, 2 = On. <3> Automatic Position Averaging when Stopped, 1 = Off, 2 = On <4> No Effect (DGPS beacon frequency – 0.0, 283.5 – 325.0 kHz in 0.5 kHz steps) <5> No Effect (DGPS beacon bit rate – 0, 25, 50, 100, or 200 bps) <6> No Effect (DGPS beacon scanning, 1 = Off, 2 = On) <7> NMEA 0103 version 2.
3.2 TRANSMITTED NMEA 0103 SENTENCES The subsequent paragraphs define the sentences that can be transmitted by the GPS 10. 3.2.1 Sentence Transmission Rate Sentences are transmitted with respect to the user selected baud rate. The GPS sensor will transmit each sentence (except where noted in particular transmitted sentence descriptions) at a periodic rate based on the user selected baud rate and user selected output sentences. The GPS sensor will transmit the selected sentences contiguously.
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.).
<4> <5> <6> 3.2.6 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 Satellites in View (GSV) $GPGSV,<1>,<2>,<3>,<4>,<5>,<6>,<7>,...
D = Differential, E = Estimated, N = Data not valid 3.2.10 Estimated Error Information (PGRME) $PGRME,<1>,M,<2>,M,<3>,M*hh <1> <2> <3> 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.
<4> <5> <6> <7> <8> 3.
APPENDIX A: EARTH DATUMS The following is a list of the Garmin GPS 10 Earth datum indices and the corresponding earth datum name (including the area of application): 0 ADINDAN - Ethiopia, Mali, 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
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 O73 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 45 L.C.
74 OMAN - Oman 75 PICO DE LAS NIEVES - Canary Islands 76 PITCAIRN ASTRO 1967 - Pitcairn Island 77 PUERTO RICO - Puerto Rico, Virgin Islands 78 QATAR NATIONAL - Qatar 79 QORNOQ - South Greenland 80 REUNION - Mascarene Island 81 ROME 1940 - Sardinia Island 82 RT 90 - Sweden 83 PROVISIONAL SOUTH AMERICAN 1956 - Bolivia, Chile, Colombia, Ecuador, Guyana, Peru, Venezuela 84 SOUTH AMERICAN 1969 - Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Venezuela, Trinidad
APPENDIX B: BINARY PHASE OUTPUT FORMAT In binary phase output mode, GPS 10 series products will transmit two types of packets once per second. One record contains primarily post-process information such as position and velocity information. The second record contains receiver measurement information. For the GPS 10, the records are sent at a default baud rate of 9600 baud, 8 data bits, and no parity. To turn these records on, use the $PGRMC1 NMEA sentence as described in Section 3.1.4.
{ uint8 svid; //space vehicle identification (1-32 and 33-64 for WAAS) uint16 snr; //signal-to-noise ratio uint8 elev; //satellite elevation in degrees uint16 azmth; //satellite azimuth in degrees uint8 status; //status bit-field } cpo_sat_data; The status bit field represents a set of booleans described below: Bit Meaning when bit is one (1) 0 The unit has ephemeris data for the specified satellite. 1 The unit has a differential correction for the specified satellite.
Position Record The Position Record has a record identifier of typedef struct { float alt; float epe; float eph; float epv; int fix; double gps_tow; double lat; double lon; float lon_vel; float lat_vel; float alt_vel; float msl_hght; int leap_sec; long grmn_days; } cpo_pvt_data; alt Ellipsoid altitude (meters) epe Est pos error (meters) eph Pos err, horizontal (meters) epv Pos err, vertical (meters) fix 0 = no fix; 1 = no fix; 2 = 2D; 3 = 3D; 4 = 2D differential; 5 = 3D differential; 6 and greater - not def
snr_dbhz svid numbers. valid Signal strength - db Hz Satellite number (0-31 and 119-138 for WAAS) Note - add 1 to offset to current svid 0 = information not valid; non-zero = information valid DLE and ETX bytes: Sample C code to receive the two records should filter DLE and ETX bytes as described below: typedef enum { DAT, DLE, ETX } rx_state_type; /* Declare and initialize static variables */ static char in_que[ 256 ]; static int in_que_ptr = 0; static rx_state_type rx_state = DAT; . . .
} APPENDIX C: GPS 10 AND WINDOWS SERIAL MOUSE ISSUE Problem: It is possible for Windows to incorrectly interpret the NMEA 0103 output of the GPS 10 as the output of a Microsoft Serial BallPoint Mouse. When that happens, Windows loads drivers for the Serial BallPoint Mouse. This causes the cursor to move erratically about the display, clicking, right clicking, double clicking, dragging and dropping displayed items as it goes.
4. Select the Serial Port to which the GPS 10 is connected. Select Auto to have the program automatically determine the Baud Rate, or select Manual to manually select the Baud Rate of the GPS 10. Click OK when done. 5. Click the Connect icon , or select Comm > Connect to connect to the GPS 10. 6. To view the current programming of the GPS 10, select Config > Get Configuration from GPS (or press the F8 key). The current programming of the GPS 10 is displayed in the window, as shown on the previous page.
APPENDIX D: SENSOR CONFIGURATION SOFTWARE SNSRCFG configures the GPS sensors based on user-selected parameters. Some application features include the ability to download GPS sensor configuration, maintain different configurations in files, and perform GPS sensor configurations quickly with the use of one function key. This section provides a brief overview of the Sensor Configuration Software. Refer to this section when using the software to configure your Garmin sensor.
Comm Menu The Comm (Communication) Menu allows you to set the port number, baud rate, and then connect and disconnect from the sensor. Setup: Opens the Comm Setup Window, shown to the left. Select the Serial Port to which the sensor is connected from the dropdown list. Then select Auto (the program determines the baud rate on its own) or Manual (you then enter the baud rate) for the Baud Rate entry. Connect: Select Connect to connect to the sensor to change or view the configuration.
Get Configuration From GPS (F8): Retrieves the current programming from the sensor. The programming is then displayed in the Main Interface Window. Send Configuration To GPS (F9): Sends the changes you have made to the programming to the sensor. Switch to NMEA Mode (F10): Switches the unit to NMEA Mode. The sensor must be in NMEA Mode when connected to this software. Switch to Garmin Mode (F11): Switches the unit to Garmin Mode.
