Geneq SXBlue User manual

SXBlue GPS
Reference Manual
Date: July 2004 (rev 1.1)

SXBlue GPS Reference Manual ii
Copyright Notice
Copyright 2004 Geneq inc. All rights reserved. No part of this manual may be stored in a
retrieval system, transmitted, or reproduced by any means, including, but not limited to
photocopy, photograph, digitizing, or otherwise, without the prior written permission from Geneq
inc.
Disclaimer
This manual has been reproduced and modified with approval from CSI Wireless Inc.
Trademarks
The Geneq logo, SXBlue GPS™ are trademarks of Geneq inc. COAST™, and e-Dif™ are
trademarks of CSI Wireless Inc. The Bluetooth™ trademarks are owned by Bluetooth SIG Inc.,
USA. All other trademarks are the property of their respective owners.
FCC Notice
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
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.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation.
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.
Geneq inc.
8047, Jarry street East
Montreal, Quebec, Canada H1J 1H6
Telephone number: [phone]
Fax number: [phone]
E-mail address: [email protected]m
Web Site: www.geneq.com

SXBlue GPS Reference Manual iii
Geneq Limited Warranty
Geneq inc. hereby warrants solely to the end purchaser of the Products, subject to the
exclusions and procedures set forth herein below, that the Products sold to such end purchaser
shall be free, under normal use and maintenance, from defects in material and workmanship for
a period of 12 months from delivery to such end purchaser. Repairs and replacement
components are warranted, subject to the exclusions and procedures set forth below, to be free,
under normal use and maintenance, from defects in material and workmanship for 90 days from
performance or delivery, or for the balance of the original warranty period, whichever is greater.
Purchaser’s Exclusive Remedy
The end purchaser’s exclusive remedy under this warranty shall be limited to the repair or
replacement, at the option of Geneq, of any defective Products or components thereof. The end
user shall notify Geneq or a Geneq approved service center immediately of any claimed defect.
Repairs shall be made through a Geneq approved service center only.
Exclusions
Geneq does not warrant damage occurring in transit or due to misuse, abuse, improper
installation, neglect, lightning (or other electrical discharge) or fresh/salt water immersion of
Products. Repair, modification or service of Geneq Products by any party other than a Geneq
approved service center shall render this warranty null and void. Geneq does not warrant
claims asserted after the end of the warranty period. Geneq does not warrant or guarantee the
precision or accuracy of positions obtained when using Products. Products are not intended for
primary navigation or for use in safety of life applications. The potential accuracy of Products as
stated in Geneq literature and/or Product specifications serves to provide only an estimate of
achievable accuracy based on:
•Specifications provided by the US Department of Defense for GPS Positioning,
•GPS OEM Receiver specifications of the appropriate manufacturer (if applicable), and
•DGPS service provider performance specifications.
Geneq reserves the right to modify Products without any obligation to notify, supply or install
any improvements or alterations to existing Products.
No Other Warranties
THE FOREGOING WARRANTY IS EXCLUSIVE OF ALL OTHER WARRANTIES, WHETHER
WRITTEN, ORAL, IMPLIED OR ARISING BY STATUTE, COURSE OF DEALING OR TRADE
USAGE, IN CONNECTION WITH THE DESIGN, SALE, INSTALLATION, SERVICE OR USE
OF ANY PRODUCTS OR ANY COMPONENTS THEREOF, INCLUDING, BUT NOT LIMITED
TO, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE.

SXBlue GPS Reference Manual iv
Limitation of Liability
THE EXTENT OF GENEQ’S LIABILITY FOR DAMAGES OF ANY NATURE TO THE END
PURCHASER OR ANY OTHER PERSON OR ENTITY WHETHER IN CONTRACT OR TORT
AND WHETHER TO PERSONS OR PROPERTY SHALL IN NO CASE EXCEED, IN THE
AGGREGATE, THE COST OF CORRECTING THE DEFECT IN THE PRODUCT OR, AT
GENEQ’S OPTION, THE COST OF REPLACING THE DEFECTIVE ITEM. IN NO EVENT
WILL GENEQ BE LIABLE FOR ANY LOSS OF PRODUCTION, LOSS OF PROFITS, LOSS OF
USE OR FOR ANY SPECIAL, INDIRECT, INCIDENTAL, CONSEQUENTIAL OR
CONTINGENT DAMAGES, EVEN IF GENEQ HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. WITHOUT LIMITING THE FOREGOING, GENEQ SHALL NOT BE LIABLE
FOR ANY DAMAGES OF ANY KIND RESULTING FROM INSTALLATION, USE, QUALITY,
PERFORMANCE OR ACCURACY OF ANY PRODUCTS.
Governing Legislation
To the greatest extent possible, this warranty shall be governed by the laws of the Province of
Quebec (Canada). In the event that any provision hereof is held to be invalid by a court of
competent jurisdiction, such provision shall be severed from this warranty and the remaining
provisions shall remain in full force and effect.
Obtaining Warranty Service
In order to obtain warranty service, the end purchaser must bring the Product to a Geneq
approved dealer, along with the end purchaser’s proof of purchase. For any questions
regarding warranty service or to obtain information regarding the location of any of Geneq’s
dealers, contact Geneq at the following address:
Geneq inc.
8047, Jarry Street East
Montreal, Quebec, H1J 1H6
Canada
Telephone number: [phone]
Fax number: [phone]
E-mail address: [email protected]m

SXBlue GPS Reference Manual v
Table of Contents
List of Figures..........................................................................................................................................x
List of Tables..........................................................................................................................................xi
Preface................................................................................................................................................. xiii
Organization................................................................................................................................. xiii
Customer Service.........................................................................................................................xiv
World Wide Web Site....................................................................................................................xv
Document Conventions.................................................................................................................xv
Notes, Cautions, and Warnings ....................................................................................................xv
1. Quick Start...................................................................................................................................1
1.1 Receiving Your Shipment.......................................................................................................1
1.2 Unpacking Your SXBlue GPS System....................................................................................1
1.3 Cable Connections..................................................................................................................1
1.4 Configuring the SXBlue GPS..................................................................................................2
1.5 NMEA 0183 Message Interface..............................................................................................2
1.6 Binary Message Interface.......................................................................................................3
1.7 PocketMAX.............................................................................................................................3
1.8 Default Parameters.................................................................................................................3
1.9 Pin-Outs..................................................................................................................................4
2. Introduction..................................................................................................................................5
2.1 GPS ........................................................................................................................................5
2.1.1 Satellite Tracking.........................................................................................................5
2.1.2 Positioning Accuracy...................................................................................................5
2.1.3 Update Rates...............................................................................................................6
2.2 SBAS ......................................................................................................................................6
2.2.1 Automatic Tracking......................................................................................................6
2.2.2 SBAS Performance.....................................................................................................6
2.3 COAST™ Technology ............................................................................................................7
2.4 e-Dif – Extended Differential Option.......................................................................................7
2.5 Post Processing......................................................................................................................8
2.6 Evaluating SXBlue GPS Performance....................................................................................9
3. Features.....................................................................................................................................11
3.1 System Parts List..................................................................................................................11
3.2 Cable Interface......................................................................................................................11

SXBlue GPS Reference Manual vi
3.3 Environmental Requirements ...............................................................................................12
3.4 Power Requirements ............................................................................................................12
3.5 Antenna Placement...............................................................................................................12
3.6 Powering the SXBlue GPS Receiver....................................................................................13
3.7 Serial Port Interface..............................................................................................................13
3.8 Bluetooth Interface................................................................................................................14
3.9 Factory Default Parameters..................................................................................................14
3.10 LED Indicators ......................................................................................................................15
4. Operation Basics .......................................................................................................................17
4.1 Powering SXBlue GPS .........................................................................................................17
4.2 Communicating with SXBlue GPS........................................................................................17
4.2.1 NMEA 0183 Interface................................................................................................17
4.2.2 Binary Interface .........................................................................................................18
4.2.3 RTCM SC-104 Protocol.............................................................................................18
4.3 Configuring SXBlue GPS......................................................................................................19
4.4 Firmware...............................................................................................................................19
4.5 e-Dif Operation......................................................................................................................20
4.5.1 Start-up......................................................................................................................20
4.5.2 Calibration .................................................................................................................20
4.5.3 e-Dif Performance .....................................................................................................20
4.6 Configuring Data Message Output .......................................................................................21
4.6.1 This Port and the Other Port .....................................................................................21
4.7 Saving SXBlue GPS Configuration.......................................................................................21
4.8 Using the Serial Port for RTCM Input...................................................................................22
5. NMEA 0183 Message Output....................................................................................................23
5.1 NMEA Message Elements....................................................................................................23
5.2 Data Messages.....................................................................................................................23
5.2.1 GGA Data Message ..................................................................................................24
5.2.2 GLL Data Message ...................................................................................................24
5.2.3 GSA Data Message...................................................................................................25
5.2.4 GST Data Message...................................................................................................25
5.2.5 GSV Data Message...................................................................................................26
5.2.6 RMC Data Message..................................................................................................26
5.2.7 RRE Data Message...................................................................................................27
5.2.8 VTG Data Message...................................................................................................27
5.2.9 ZDA Data Message...................................................................................................28

SXBlue GPS Reference Manual vii
5.2.10 RD1 Data Message...................................................................................................28
6. Frequently Asked Questions .....................................................................................................30
6.1 General.................................................................................................................................30
6.2 Support and Repairs.............................................................................................................31
6.3 Troubleshooting....................................................................................................................31
6.4 Power, Communication, and Configuration..........................................................................32
6.5 GPS Reception and Performance ........................................................................................33
6.6 SBAS Reception and Performance ......................................................................................34
6.7 e-Dif ......................................................................................................................................34
6.8 External Corrections .............................................................................................................35
6.9 Installation.............................................................................................................................35
7. Troubleshooting.........................................................................................................................36
7.1 Troubleshooting Checklist ....................................................................................................36
7.2 Using the LEDs to Troubleshoot...........................................................................................36
8. Complete NMEA 0183 Interface................................................................................................38
8.1 NMEA Message Elements....................................................................................................38
8.2 General Commands..............................................................................................................38
8.2.1 $JASC,D1..................................................................................................................39
8.2.2 $JAIR.........................................................................................................................40
8.2.3 $JASC,VIRTUAL.......................................................................................................40
8.2.4 $JALT........................................................................................................................41
8.2.5 $JLIMIT......................................................................................................................41
8.2.6 $JAPP........................................................................................................................42
8.2.7 $JBAUD.....................................................................................................................43
8.2.8 $JCONN....................................................................................................................43
8.2.9 $JDIFF.......................................................................................................................43
8.2.10 $JK ............................................................................................................................44
8.2.11 $JPOS.......................................................................................................................44
8.2.12 $JQUERY,GUIDE......................................................................................................45
8.2.13 $JRESET...................................................................................................................45
8.2.14 $JSAVE.....................................................................................................................45
8.2.15 $JSHOW....................................................................................................................46
8.2.16 $JT.............................................................................................................................47
8.2.17 $JBIN.........................................................................................................................48
8.3 GPS Commands...................................................................................................................48
8.3.1 $JASC .......................................................................................................................49

SXBlue GPS Reference Manual viii
8.3.2 $JAGE,age................................................................................................................49
8.3.3 $JOFF........................................................................................................................50
8.3.4 $JMASK.....................................................................................................................50
8.3.5 $J4STRING...............................................................................................................50
8.4 SBAS Commands.................................................................................................................51
8.4.1 $JWAASPRN.............................................................................................................51
8.4.2 $JGEO.......................................................................................................................52
8.4.3 $JRD1........................................................................................................................53
8.4.4 $JASC,RTCM............................................................................................................53
8.5 e-Dif Commands...................................................................................................................54
8.5.1 $JRAD,1....................................................................................................................54
8.5.2 $JRAD,1,P.................................................................................................................55
8.5.3 $JRAD,1,lat,lon,alt.....................................................................................................55
8.5.4 $JRAD,2....................................................................................................................55
8.5.5 $JRAD,3....................................................................................................................56
8.6 Data Messages.....................................................................................................................56
8.6.1 GGA Data Message ..................................................................................................57
8.6.2 GLL Data Message ...................................................................................................58
8.6.3 GSA Data Message...................................................................................................58
8.6.4 GST Data Message...................................................................................................59
8.6.5 GSV Data Message...................................................................................................59
8.6.6 RMC Data Message..................................................................................................60
8.6.7 RRE Data Message...................................................................................................60
8.6.8 VTG Data Message...................................................................................................61
8.6.9 ZDA Data Message...................................................................................................61
8.6.10 RD1 Data Message...................................................................................................61
9. Binary Data................................................................................................................................64
9.1 Binary Message Structure ....................................................................................................64
9.1.1 Bin 1 ..........................................................................................................................65
9.1.2 Bin 2 ..........................................................................................................................66
9.1.3 Bin 80 ........................................................................................................................67
9.1.4 Bin 93 ........................................................................................................................67
9.1.5 Bin 94 ........................................................................................................................68
9.1.6 Bin 95 ........................................................................................................................69
9.1.7 Bin 96 ........................................................................................................................69
9.1.8 Bin 97 ........................................................................................................................70

SXBlue GPS Reference Manual ix
9.1.9 Bin 98 ........................................................................................................................71
9.1.10 Bin 99 ........................................................................................................................72
Appendix A - Specifications ..................................................................................................................74
Appendix B - Interface...........................................................................................................................75
Appendix C – Introduction to GPS, SBAS, e-Dif and Beacon ..............................................................78
Appendix D – Resources ......................................................................................................................93
Index ...................................................................................................................................................94

SXBlue GPS Reference Manual x
List of Figures
Figure 1-1 Cable Interface ......................................................................................................................2
Figure 1-2 RS-232 Connector Pin-out ....................................................................................................4
Figure 1-3 PWR Connector Pin-out ........................................................................................................4
Figure 1-4 e-Dif Error Drift.......................................................................................................................8
Figure 3-1 Cable Interface ....................................................................................................................11
Figure 3-2 RS-232 Connector Pin-out ..................................................................................................14
Figure 3-3 SXBlue GPS Front Panel ....................................................................................................16
Figure B-1 Serial Interface....................................................................................................................75
Figure B-2 RTCM Data Output From Serial Port..................................................................................76
Figure B-3 RTCM Data Input to Serial Port ..........................................................................................77
Figure C-1 WAAS Coverage.................................................................................................................87
Figure C-2 EGNOS Coverage ..............................................................................................................88
Figure C-3 Broadcast WAAS Inonspheric Correction Map...................................................................89
Figure C-4 Extrapolated WAAS Inonspheric Correction Map...............................................................89
Figure C-5 Broadcast EGNOS Inonspheric Correction Map ................................................................90
Figure C-6 Extrapolated EGNOS Inonspheric Correction Map ............................................................90
Figure C-7 World DGPS Radiobeacon Coverage.................................................................................92