Motorola M12 Oncore Uživatelská příručka

M12+ GPS Receiver User’s Guide

Chapter 1 - Introduction OVERVIEW Nearly a decade of Global Positioning System (GPS) experience, combined with world-class expertise in semicon

Chapter 5 - I/O Commands POSITION FILTER SELECT COMMAND (@@AQ) Applicability: M12+ Positioning and Timing receivers This message enables or disable

Chapter 5 - I/O Commands POSITION FILTER SELECT COMMAND (@@AQ) Motorola Binary Format Query current Position Filter Status: @@AQxC<CR><L

Chapter 5 - I/O Commands POSITION HOLD PARAMETERS MESSAGE (@@As) Applicability: M12+ Positioning and Timing receivers The user can specify Positio

Chapter 5 - I/O Commands POSITION HOLD PARAMETERS (@@As) Motorola Binary Format Query current Position Hold Parameters: @@AsxxxxxxxxxxxxxC<CR&

Chapter 5 - I/O Commands POSITION LOCK SELECT MESSAGE (@@AS) Applicability: M12+ Positioning receivers This message enables or disables the Positi

Chapter 5 - I/O Commands POSITION LOCK SELECT MESSAGE (@@AS) Motorola Binary Format Query current Position Lock Select Status: @@ASxC<CR>&l

Chapter 5 - I/O Commands TIME CORRECTION SELECT (@@Aw) Applicability: M12+ Positioning and Timing receivers This command selects the time referenc

Chapter 5 - I/O Commands TIME CORRECTION SELECT (@@Aw) Motorola Binary Format Query current UTC Time Correction Option: @@AwxC<CR><LF>

Chapter 5 - I/O Commands 1PPS TIME OFFSET COMMAND (@@Ay) Applicability: M12+ Timing Receivers The M12+ outputs a one pulse-per second (1PPS) signa

Chapter 5 - I/O Commands 1PPS TIME OFFSET COMMAND (@@Ay) Motorola Binary Format Query current 1PPS Time Offset: @@AyxxxxC<CR><LF> whe

Chapter 1 - Introduction PRODUCT HIGHLIGHTS Features present on all M12+ receivers include the following: • 12-channel parallel receiver design

Chapter 5 - I/O Commands 1PPS CABLE DELAY CORRECTION COMMAND (@@Az) Applicability: M12+ Timing Receivers The M12+ timing receiver outputs a 1PPS s

Chapter 5 - I/O Commands 1PPS CABLE DELAY CORRECTION (@@Az) Motorola Binary Format Query current 1PPS Cable Delay Correction: @@AzxxxxC<CR>

Chapter 5 - I/O Commands VISIBLE SATELLITE DATA MESSAGE (@@Bb) Applicability: M12+ Timing and Positioning Receivers This command requests the resu

Chapter 5 - I/O Commands VISIBLE SATELLITE DATA MESSAGE (@@Bb) Motorola Binary Format Query Current Visible Satellite Data: @@BbmC<CR><L

Chapter 5 - I/O Commands ALMANAC STATUS MESSAGE (@@Bd) Applicability: M12+ Timing and Positioning Receivers This command requests almanac status

Chapter 5 - I/O Commands ALMANAC STATUS MESSAGE (@@Bd) Motorola Binary Format Query Current Almanac Status: @@BdmC<CR><LF> where: m =

Chapter 5 - I/O Commands ALMANAC DATA REQUEST (@@Be) Applicability: M12+ Timing and Positioning Receivers This command is used to command the M12

Chapter 5 - I/O Commands ALMANAC DATA REQUEST (@@Be) (RESPONSE IS Cb) Motorola Binary Format Query Current Almanac Data: @@BemC<CR><LF&g

Chapter 5 - I/O Commands EPHEMERIS DATA INPUT (@@Bf) Applicability: M12+ positioning and timing receivers This command will cause the receiver to

Chapter 5 - I/O Commands EPHEMERIS DATA INPUT (@@Bf) Motorola Binary Format Input Ephemeris Data: @@Bfi[24x{eee}]C<CR><LF> where: i

Chapter 1 - Introduction APPLICATIONS Considering that 24-hour, all weather, worldwide coverage is fundamental to GPS positioning and navigation,

Chapter 5 - I/O Commands PSEUDO-RANGE CORRECTION OUTPUT REQUEST (@@Bh) Applicability: M12+ Positioning Receiver This parameter sets the rate at wh

Chapter 5 - I/O Commands PSEUDO-RANGE CORRECTION OUTPUT REQUEST (@@Bh) Motorola Binary Format Request Pseudo-Range Corrections: @@BhmC<CR>&

Chapter 5 - I/O Commands LEAP SECOND STATUS MESSAGE (@@Bj) Applicability: M12+ Timing and Positioning Receivers This message polls the receiver fo

Chapter 5 - I/O Commands LEAP SECOND STATUS MESSAGE (@@Bj) Motorola Binary Format Query current Leap Second Pending information: @@BjmC<CR>

Chapter 5 - I/O Commands UTC OFFSET OUTPUT MESSAGE (@@Bo) Applicability: M12+ Timing and Positioning Receivers This message allows the user to req

Chapter 5 - I/O Commands UTC OFFSET OUTPUT MESSAGE (@@Bo) Motorola Binary Format Request Current UTC Offset: @@BomC<CR><LF> where: m

Chapter 5 - I/O Commands REQUEST UTC/IONOSPHERIC DATA (@@Bp) Applicability: M12+ Timing and Positioning Receivers This message allows the user to

Chapter 5 - I/O Commands REQUEST UTC/IONOSPHERIC DATA (@@Bp) Motorola Binary Format Request Current UTC/Ionospheric Data: @@BpmC<CR><LF&

Chapter 5 - I/O Commands ALMANAC DATA INPUT (@@Cb) Applicability: M12+ Timing and Positioning Receivers This command allows the user to load a pre

Chapter 5 - I/O Commands ALMANAC DATA INPUT (@@Cb) [RESPONSE TO Be] Motorola Binary Format Input One Almanac Data page: @@Cbspxxx…xxxC<CR>&l

Chapter 1 - Introduction LIMITED WARRANTY ON MOTOROLA GPS PRODUCTS What This Warranty Covers And For How Long MOTOROLA, INC. ("MOTOROLA"

Chapter 5 - I/O Commands PSEUDO-RANGE CORRECTION DATA INPUT (@@Ce) Applicability: M12+ Positioning Receivers The input message is structured to ac

Chapter 5 - I/O Commands PSEUDO-RANGE CORRECTION DATA INPUT (@@Ce) Motorola Binary Format Pseudo-Range Correction Data Input (for up to six satell

Chapter 5 - I/O Commands SET TO DEFAULTS COMMAND (@@Cf) Applicability: M12+ Timing and Positioning Receivers This command sets all of the GPS rece

Chapter 5 - I/O Commands SET-TO-DEFAULTS (@@Cf) Motorola Binary Format Set the GPS receiver to Default values: @@CfC<CR><LF> where: C

Chapter 5 - I/O Commands NMEA PROTOCOL SELECT (@@Ci) Applicability: M12+ Positioning Receivers This command causes the M12+ positioning receiver t

Chapter 5 - I/O Commands SWITCH I/O FORMAT (@@Ci) Motorola Binary Format Switch to NMEA Format command: @@CimC<CR><LF> where: m = for

Chapter 5 - I/O Commands RECEIVER ID (@@Cj) Applicability: M12+ Timing and Positioning Receivers The M12+ outputs an ID message upon request. The

Chapter 5 - I/O Commands RECEIVER ID (@@Cj) Motorola Binary Format Query Receiver ID: @@CjC<CR><LF> where: C = checksum Message lengt

Chapter 5 - I/O Commands UTC/IONOSPHERIC DATA INPUT [Response to @@Bp or @@Co] Applicability: M12+ Timing and Positioning Receivers As well as bei

Chapter 5 - I/O Commands UTC/IONOSPHERIC DATA INPUT [Response to @@Bp or @@Co] Motorola Binary Format Change UTC/Ionospheric Data: @@CoabcdefghA

Chapter 1 - Introduction (e) Product disassembled or repaired in such a manner as to adversely affect performance or prevent adequa

Chapter 5 - I/O Commands UTC Data (see ICD-GPS-200, Table 20-IX for scale factors) AAAA = A0 -2,147,483,648…+2,147,483,647 seconds aaaa = A1

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Chapter 5 - I/O Commands ASCII POSITION MESSAGE (@@Eq) Applicability: M12+ Positioning and Timing Receivers The ASCII position output message cont

Chapter 5 - I/O Commands ASCII POSITION MESSAGE (@@Eq) Motorola Binary Format Request ASCII Position Message: @@EqmC<CR><LF> where: m

Chapter 5 - I/O Commands ASCII POSITION MESSAGE (@@Eq) Motorola Binary Format Response Message Continued Height: s = sign of height + or - hh

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Chapter 5 - I/O Commands COMBINED POSITION MESSAGE (@@Ga) Applicability: M12+ Positioning and Timing Receivers This message allows the user to ent

Chapter 5 - I/O Commands COMBINED POSITION MESSAGE (@@Ga) Motorola Binary Format Query Current Position Command: @@GaxxxxxxxxxxxxxC<CR><

Chapter 5 - I/O Commands COMBINED TIME MESSAGE (@@Gb) Applicability: M12+ Positioning and Timing Receivers This message allows the user to give th

Chapter 5 - I/O Commands COMBINED TIME MESSAGE (@@Gb) Motorola Binary Format Query Current Time Message: @@GbxxxxxxxxxxC<CR><LF> wher

Chapter 2 - NAVSTAR GPS Overview Chapter 2 - NAVSTAR GPS OVERVIEW CHAPTER SUMMARY Refer to this chapter for the following: • A description of

Chapter 5 - I/O Commands Response to above command: @@GbmdyyhmsshmC<CR>LF> where: Date: m = month 1…12 d = day 1…31 yy = ye

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Chapter 5 - I/O Commands 1PPS CONTROL MESSAGE (@@Gc) Applicability: M12+ Positioning and Timing Receivers This message allows the user to choose

Chapter 5 - I/O Commands 1PPS CONTROL MESSAGE (@@Gc) Motorola Binary Format Query current 1PPS Mode: @@GcxC<CR><LF> where: x = 1 hex

Chapter 5 - I/O Commands POSITION CONTROL MESSAGE (@@Gd) Applicability: M12+ Positioning and Timing Receivers This message allows the user to choo

Chapter 5 - I/O Commands POSITION CONTROL MESSAGE (@@Gd) Motorola Binary Format Query Current Position Control Mode: @@GdxC<CR><LF> w

Chapter 5 - I/O Commands TIME RAIM SELECT MESSAGE (@@Ge) Applicability: M12+ timing receivers This message allows the user to enable or disable th

Chapter 5 - I/O Commands TIME RAIM SELECT MESSAGE (@@Ge) Motorola Binary Format Query Current Time RAIM Mode @@GexC<CR><LF> where: x

Chapter 5 - I/O Commands TIME RAIM ALARM MESSAGE (@@Gf) Applicability: M12+ timing receivers This message allows the user to enter the Time RAIM a

Chapter 5 - I/O Commands TIME RAIM ALARM MESSAGE (@@Gf) Motorola Binary Format Query current T-RAIM Alarm Setting: @@GfxxC<CR><LF> wh

Chapter 2 - NAVSTAR GPS Overview ABOUT THE GPS NAVIGATION MESSAGE The NAVigation Satellite Timing and Ranging (NAVSTAR) Global Positioning System

Chapter 5 - I/O Commands LEAP SECOND PENDING MESSAGE (@@Gj) This command polls the receiver for leap second status information decoded from the Nav

Chapter 5 - I/O Commands LEAP SECOND PENDING (@@Gj) Motorola Binary Format Query Current Leap Second Pending Status: @@GjC<CR><LF> wh

Chapter 5 - I/O Commands VEHICLE ID (@@Gk) Applicability: M12+ positioning and timing receivers This message sets or defaults the ID tag. By defau

Chapter 5 - I/O Commands VEHICLE ID (@@Gk) Motorola Binary Format Query Current Vehicle ID Tag: @@GkvvvvvvC<CR><LF> where: vvvvvv = 6

Chapter 5 - I/O Commands 12 CHANNEL POSITION/STATUS/DATA MESSAGE (@@Ha) This message is the ‘standard’ M12+ binary position/status message. The @@H

Chapter 5 - I/O Commands 12 CHANNEL POSITION/STATUS/DATA MESSAGE (@@Ha) Motorola Binary Format Request 12 Channel Position/Status/Data Message: @

Chapter 5 - I/O Commands Speed/Heading VV = 3D speed in cm/s 0…51400 (0.0 to 514 m/s) vv = 2D speed in cm/s 0…51400 (0.0 to 514 m/s) hh = 2D

Chapter 5 - I/O Commands (URA continued) 1100 (12) 768.00m <URA<=1536.00m

Chapter 5 - I/O Commands GMT Offset: s = signed byte of GMT offset 0x00 = positive 0xFF = negative h = hour of GMT offset 0…23 m = minute of

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Chapter 2 - NAVSTAR GPS Overview Figure 2.1 NAVSTAR GPS Segments The GPS navigation message is the data supplied to the user from a satellit

Chapter 5 - I/O Commands 12 CHANNEL SHORT POSITION MESSAGE (@@Hb) Applicability: M12+ positioning and timing receivers This is a shortened version

Chapter 5 - I/O Commands SHORT POSITION MESSAGE (@@Hb) Motorola Binary Format Request Short Position Message: @@HbrC<CR><LF> where: r

Chapter 5 - I/O Commands Geometry dd =current DOP 0..999 (0.0 to 99.9 DOP) (PDOP for 3D fix, HDOP for 2D fix, 00.0 otherwise) Satellite Data

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Chapter 5 - I/O Commands 12 CHANNEL TIME RAIM STATUS MESSAGE (@@Hn) Applicability: M12+ timing receivers This message allows the user to request o

Chapter 5 - I/O Commands TIME RAIM STATUS MESSAGE (@@Hn) Motorola Binary Format Request Current Time RAIM Status: @@HnrC<CR><LF> wher

Chapter 5 - I/O Commands INVERSE DIFFERENTIAL WITH PSEUDORANGE OUTPUT (@@Hr) Applicability: M12+ positioning receivers This message contains inform

Chapter 5 - I/O Commands INVERSE DIFFERENTIAL WITH PSEUDORANGE OUTPUT (@@Hr) Motorola Binary Format Request Current Inverse Differential with Pseu

Chapter 5 - I/O Commands Unfiltered Position aaaa latitude -324,000,000 to +324,000,000 milliseconds (-90 to +90 degrees) oooo longitude -

Chapter 5 - I/O Commands INVERSE DIFFERENTIAL WITH PSEUDORANGE OUTPUT (@@Hr) Motorola Binary Format Geometry dd = DOP 0-999 (0.1 resolution)

Chapter 2 - NAVSTAR GPS Overview The navigation message consists of a 50 bit per second data stream containing information enabling the receiver

Chapter 5 - I/O Commands For each of twelve channels [12x {iepppprrrr} ]: i = satellite ID 0-37 e = ephemeris IODE 0-255 pppp = pseudo-ran

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Chapter 5 - I/O Commands 12 CHANNEL SELF-TEST MESSAGE (@@Ia) The M12+ receiver user has the ability to perform an extensive self-test. The tests t

Chapter 5 - I/O Commands 12 CHANNEL SELF-TEST MESSAGE (@@Ia) Motorola Binary Format Request Self-Test Message (12 Channel): @@IaC<CR><LF

Chapter 5 - I/O Commands SYSTEM POWER-ON FAILURE Applicability: M12+ Positioning and Timing Receivers Immediately after power-up, the M12+'s R

Chapter 5 - I/O Commands SYSTEM POWER-ON FAILURE (@@Sz) Motorola Binary Format @@SzcC<CR><LF> where: c = constant equal to 0 C = che

Chapter 5 - I/O Commands NMEA GPGGA MESSAGE This command enables the NMEA GPGGA GPS Fix Data message and determines the rate at which the informatio

Chapter 5 - I/O Commands GPGGA (NMEAGPS FIX DATA) NMEA-0183 Format Set GPGGA message rate: $PMOTG, GGA, yyyy*CC<CR><LF> where: yyyy

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 180 y.y = HDOP a.a, z = antenna height a.a =

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Chapter 3 - Receiver Descriptions CHAPTER 3 - RECEIVER DESCRIPTIONS CHAPTER SUMMARY Refer to this chapter for the following: • A simplifi

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 182 GPGLL (NMEA GEOGRAPHIC LATITUDE AND LONGITU

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 183 GPGLL (NMEA GEOGRAPHIC LATITUDE/LONGITUDE)

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 184 GPGSA (GPS DOP AND ACTIVE SATELLITES) This

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 185 GPGSA (GPS DOP AND ACTIVE SATELLITES) NMEA-

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 186 GPGSV (NMEA GPS SATELLITES IN VIEW) This com

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 187 GPGSV (NMEA GPS SATELLITES IN VIEW) NMEA-01

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 188 GPRMC (NMEA RECOMMENDED MINIMUM SPECIFIC GP

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 189 GPRMC (NMEA RECOMMENDED MINIMUM SPECIFIC GP

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 190 GPVTG (NMEA TRACK MADE GOOD AND GROUND SPEED

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 191 GPVTG (TRACK MADE GOOD AND GROUND SPEED) NM

DOCUMENT PREPARED BY SYNERGY SYSTEMS, LLC. Information in this document is subject to change without notice and does not represent a commitment on

Chapter 3 - Receiver Descriptions OVERVIEW The M12+ Oncore receiver provides position, velocity, time, and satellite tracking status information v

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 192 GPZDA (NMEA TIME AND DATE) This command enab

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 193 GPZDA (NMEA TIME AND DATE) NMEA-0183 Format

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 194 SWITCH I/O FORMAT TO MOTOROLA BINARY This ut

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 195 SWITCH TO BINARY NMEA-0183 Format Switch t

Chapter 5 - I/O Commands Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 196 This page intentionally left

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 197 APPENDIX 1 – GPS Terminology This section provides def

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 198 Almanac Data transmitted by a GPS satellite which includes

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 199 Binary Pulse Code Modulation Pulse modulation using a stri

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 200 Code Division Multiple Access (CDMA) A method of frequency

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 201 A triple-difference measurement is the difference between

Chapter 3 - Receiver Descriptions The M12+ Oncore receiver is capable of tracking twelve satellites simultaneously. The module receives the L1 GPS

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 202 Dynamic Positioning Determination of a timed series of set

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 203 Flattening A parameter used to define the shape of an elli

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 204 GPS ICD-200 The GPS Interface Control Document is a govern

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 205 JPO Joint Program Office for GPS located at the USAF Space

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 206 Mean Anomaly M = n(t - T), where n is the mean motion, t i

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 207 NAVSTAR The acronym given to GPS satellites, which stands

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 208 Phase Observable See Reconstructed Carrier Phase. Point P

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 209 RDOP Relative dilution of precision. See Dilution of Preci

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 210 SEP Spherical Error Probable, a statistical measure of pre

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 211 SPS Standard Positioning Service, uses the C/A code to pro

Chapter 3 - Receiver Descriptions Operating Without a Backup Source Without any backup power none of the setup information mentioned above is avai

Appendix Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05 212 Tropospheric correction The correction applied to the meas

Chapter 3 - Receiver Descriptions Antenna Drive and Protection Circuitry The M12+ is capable of detecting the presence of an antenna. The receiver

Chapter 3 - Receiver Descriptions The antenna status information is output in the following I/O messages: • @@Ha(12 Channel Position/Status/Data

Chapter 3 - Receiver Descriptions Active Antenna Configuration The recommended external gain (antenna gain minus cable and connector losses) for th

Chapter 3 - Receiver Descriptions The following table lists the assigned signal connections of the M12+ receiver's power/data connector. Tab

Chapter 3 - Receiver Descriptions M12+ ONCORE RECEIVER PRINTED CIRCUIT BOARD MECHANICAL DRAWINGS M*COREMICRO-PROCESSOR0.100[2.5]2.362[60.0]0.662[16

Chapter 3 - Receiver Descriptions M12+ ONCORE RECEIVER TECHNICAL CHARACTERISTICS Table 3.2: M12+ Positioning R Receiver Architecture ed tracking)

Chapter 3 - Receiver Descriptions M12+ TIMING RECEIVER TECHNICAL CHARACTERISTICS Table 3.3: M12+ Timing Receiver Characteristics Receiver Architec

Table of Contents CHAPTER 1 – INTRODUCTION 1 OVERVIEW 2 M12+ Positioning Receiver 2 M12+ Timing Receiver 2 PRODUCT HIGHLIGHTS 3 APPLICATIONS 4

Chapter 3 - Receiver Descriptions RF Jamming Immunity (M12+ Timing Receiver Only) Many precise timing GPS installations require locating the GPS a

Chapter 3 - Receiver Descriptions In most surveying systems and instruments, there are more measurements taken than are required to compute the sol

Chapter 3 - Receiver Descriptions Automatic Site Survey (M12+ Timing Receiver Only) The Automatic Site Survey mode simplifies system installation

Chapter 3 - Receiver Descriptions Figure 3.6 100PPS Output Waveform The 1PPS Offset and 1PPS Cable Delay features work the same in 100PPS mode a

Chapter 3 - Receiver Descriptions Electromagnetic Considerations The Oncore receiver PC boards contain a very sensitive RF receiver; therefore you

Chapter 3 - Receiver Descriptions PCB Mounting Hardware The M12+ Oncore PCB is normally mounted on round or hex female threaded metal standoffs and

Chapter 3 - Receiver Descriptions Table 3.5: List of Threaded Standoff Suppliers Company Name Part Description Outside Diameter Plain female or

Chapter 3 - Receiver Descriptions System Integration The M12+ receiver is an intelligent GPS sensor intended to be used as a component in a precisi

Chapter 3 - Receiver Descriptions inversion process in it. Most RS-232 driver/receiver integrated circuits (Maxim's MAX3232, for example) will

Chapter 3 - Receiver Descriptions Binary Data Sequence: A variable number of bytes of binary data dependent on the command type. Checksum: The E

Automatic Site Survey (M12+ Timing Receiver Only) 24 100PPS Output (M12+ Timing Receiver Only) 24 Mean Time Between Failure (MTBF) 25 Receiver Modu

Chapter 3 - Receiver Descriptions may be of the type that changes configuration parameters of the receiver. Examples of these input command types i

Chapter 3 - Receiver Descriptions next message to be sent fits around the 800 byte length goal, then the message will be output. For example, if me

Chapter 3 - Receiver Descriptions Exclusive-Or (XOR) Checksum creation In Motorola binary mode a checksum must be included with every command to

Chapter 3 - Receiver Descriptions Millisecond to Degree Conversion The primary output message of M12+ receiver in Motorola binary mode is the 12 C

Chapter 3 - Receiver Descriptions NMEA Protocol Support The M12+ Positioning Receiver firmware supports the NMEA 0183 format for GPS data output.

Chapter 3 - Receiver Descriptions NMEA Command Examples 1. Assume the user desires a single (polled) RMC message. The required command string (w

Chapter 3 - Receiver Descriptions example, if messages totaling 334 bytes are scheduled to be sent, and the user requests another 80 byte message,

Chapter 3 - Receiver Descriptions Input/Output Processing Time User commands sent to the M12+ are placed in an input buffer that is serviced once

Chapter 3 - Receiver Descriptions DATA LATENCY The receiver can output position, velocity, and time data on the serial port at a maximum rate of o

Chapter 3 - Receiver Descriptions To compensate for the one second computational pipeline delay, a one second propagated position is computed that

CHAPTER 4 – ANTENNA DESCRIPTIONS 51 Motorola HAWK Antenna 52 Antenna Description 52 Hawk Antenna Gain Pattern 54 Motorola Part Numbers 57 RF Conne

Chapter 3 - Receiver Descriptions about one second later than the previous measurement epoch, where any difference from 1.000000000 seconds is the

Chapter 3 - Receiver Descriptions between 0 to 50 ms after a measurement epoch. For the Position/Status/Data Message, the time output in the messag

Chapter 3 - Receiver Descriptions Time to First Fix (TTFF) TTFF is a function of position uncertainty, time uncertainty, almanac age, and ephemeri

Chapter 3 - Receiver Descriptions If backup power is available, the M12+ retrieves its last known position coordinates from RAM when main power is

Chapter 3 - Receiver Descriptions Received Carrier to Noise Density Ratio (C/No) The Position/Status/Data Message output C/No for each receiver ch

Chapter 3 - Receiver Descriptions SETTING UP RECEIVERS FOR SPECIFIC APPLICATIONS M12+ as a Standard Autonomous Positioning Receiver As supplied,

Chapter 3 - Receiver Descriptions Note that a receiver operating in differential mode will discard corrections once they have aged more than 90 sec

Chapter 3 - Receiver Descriptions @@Ge – This message is used to turn the T-RAIM function on and off. The receiver must be in Position-Hold mode in

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Chapter 4 - Antenna Descriptions Chapter 4 – Antenna Descriptions CHAPTER SUMMARY Refer to this chapter for the following: • Product descripti

1PPS TIME OFFSET COMMAND (@@Ay) 100 1PPS CABLE DELAY CORRECTION COMMAND (@@Az) 102 VISIBLE SATELLITE DATA MESSAGE (@@Bb) 104 ALMANAC DATA REQUEST

Chapter 4 - Antenna Descriptions Motorola HAWK Antenna Figure 4.1: Hawk Antenna Antenna Description The Motorola active HAWK antenna is design

Chapter 4 - Antenna Descriptions Table 4.1 Active Hawk Antenna Technical Characteristics Antenna Description Passive dielectric patch antenna To

Chapter 4 - Antenna Descriptions Hawk Antenna Gain Pattern The sensitivity of an antenna as a function of elevation angle is represented by the gai

Chapter 4 - Antenna Descriptions Mechanical Dimensions All dimensions are in mm and are for reference purposes only. Figure 4.3: Magnet/Direc

Chapter 4 - Antenna Descriptions Mechanical Dimensions (Continued) All dimensions are in mm and are for reference purposes only. Figure 4.4: HA

Chapter 4 - Antenna Descriptions Motorola Part Numbers The Tables below show the various mounting styles and types of connectors that are offered w

Chapter 4 - Antenna Descriptions RF Connectors/Cables Information Shikoku 1.5DS-QEHV coaxial cable is used in the Hawk antenna assemblies. This c

Chapter 4 - Antenna Descriptions Antenna Placement When mounting the Hawk antenna module, it is important to remember that GPS positioning p

Chapter 4 - Antenna Descriptions Antenna System RF Parameter Considerations Both the gain and the noise of the overall system affect the performan

Chapter 4 - Antenna Descriptions Antenna Cable RF Connectors The following RF Connectors are used to terminate cables of various Antenna models. T

12 CHANNEL TIME RAIM STATUS MESSAGE (@@Hn) 166 INVERSE DIFFERENTIAL WITH PSEUDORANGE OUTPUT (@@Hr) 168 12 CHANNEL SELF-TEST MESSAGE (@@Ia)

Chapter 4 - Antenna Descriptions Motorola Timing2000 Antenna Figure 4.8: Timing2000 Antenna Antenna Description The Motorola Timing2000 anten

Chapter 4 - Antenna Descriptions Table 4.7 Timing2000 Antenna Technical Characteristics GENERAL CHARACTERISTICS Antenna Description Molded UV

Chapter 4 - Antenna Descriptions Timing2000 Antenna Gain Pattern The sensitivity of an antenna as a function of elevation angle is represented by t

Chapter 4 - Antenna Descriptions Timing2000 Installation Precautions The following precautions should be taken into consideration to avoid the intr

Chapter 4 - Antenna Descriptions driven rain from directly impinging on the connector mating area. This tubing should be secured to the mounting nu

Chapter 4 - Antenna Descriptions Environmental Tests Provided below is an outline of the product durability and environmental specifications to wh

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Chapter 5 - I/O Commands Chapter 5 - I/O COMMANDS CHAPTER SUMMARY Refer to this chapter for the following: • The I/O commands supported by th

Chapter 5 - I/O Commands OVERVIEW Motorola binary commands can be used to initialize, configure, control and monitor the M12+ receivers. The binar

Chapter 5 - I/O Commands I/O COMMAND LIST INDEX BY BINARY COMMAND Table 5.1: Input Commands Listed by Binary Command Header Binary Command Functio

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Chapter 5 - I/O Commands Table 5.1: Input Commands Listed by Binary Command Header (continued) Binary Command Function Description WinOncore Mne

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Chapter 5 - I/O Commands SATELLITE MASK ANGLE COMMAND (@@Ag) Applicability: M12+ Positioning and Timing receivers The receiver will attempt to trac

Chapter 5 - I/O Commands SATELLITE MASK ANGLE (@@Ag) Motorola Binary Format Query current Satellite Mask Angle: @@AgxC<CR><LF> wher

Chapter 5 - I/O Commands SATELLITE IGNORE LIST MESSAGE (@@Am) Applicability: M12+ Positioning and M12+ Timing receivers The receiver includes, in

Chapter 5 - I/O Commands SV IGNORE LIST MESSAGE (@@Am) Motorola Binary Format Query current SV Ignore List: @@AmxxxxxC<CR><LF> where:

Chapter 5 - I/O Commands POSITION LOCK PARAMETERS MESSAGE (@@AM) Applicability: M12+ Positioning receivers This message allows the user to modify t

Chapter 5 - I/O Commands POSITION LOCK PARAMETERS MESSAGE (@@AM) Motorola Binary Format Query current Position Lock Parameters: @@AMxxxxC<CR&g

Chapter 5 - I/O Commands MARINE FILTER SELECT COMMAND (@@AN) Applicability: M12+ positioning receivers The Marine Filter command controls the veloc

Chapter 5 - I/O Commands MARINE FILTER SELECT COMMAND (@@AN) Motorola Binary Format Query current Marine Filter status: @@ANxC<CR><LF&g

Chapter 1 - Introduction Chapter 1 – INTRODUCTION CHAPTER SUMMARY Refer to this chapter for the following: • An introduction to

Chapter 5 - I/O Commands DATUM SELECT COMMAND (@@Ao) Applicability: M12+ and M12+ Timing receivers The M12+ has one predefined datum (WGS-84) store

Chapter 5 - I/O Commands DATUM SELECT COMMAND (@@Ao) Motorola Binary Format Query currently used Datum ID: @@AoxC<CR><LF> where: x

Chapter 5 - I/O Commands RTCM PORT BAUD RATE SELECT COMMAND (@@AO) Applicability: M12+ Positioning receivers This command allows the user to select

Chapter 5 - I/O Commands RTCM PORT BAUD RATE SELECT COMMAND (@@AO) Motorola Binary Format: Query current RTCM Port Baud Rate: @@AObC<CR><

Chapter 5 - I/O Commands DEFINE USER DATUM MESSAGE (@@Ap) Applicability: M12+ and M12+ Timing receivers The M12+ can accommodate one user defined

Chapter 5 - I/O Commands DEFINE USER DATUM MESSAGE (@@Ap) Motorola Binary Format Query current User Defined Datum Parameters: @@Apdxxxxxxxxxxxxxx

Chapter 5 - I/O Commands PULSE MODE SELECT COMMAND (@@AP) Applicability: M12+ Timing receivers The M12+ Timing receiver can output either a 1PPS o

Chapter 5 - I/O Commands PULSE MODE SELECT COMMAND (@@AP) Motorola Binary Format Query Current Pulse Mode: @@APxC<CR><LF> where: x =

Chapter 5 - I/O Commands IONOSPHERIC CORRECTION SELECT COMMAND (@@Aq) Applicability: M12+ Positioning and Timing receivers The user has the flexib

Chapter 5 - I/O Commands IONOSPHERIC CORRECTION SELECT COMMAND (@@Aq) Motorola Binary Format Query current Ionospheric Correction Selection: @@Aq