Data Hacking

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xvi Contents Part III: Data Hacking 163 Chapter 8: GPS Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 GPS Data Collection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Position, Velocity, Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 Waypoints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Working with the Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 EasyGPS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 G7toWin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Creative Uses of GPS Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 Sharing Waypoints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 Adding GPS Information to Digital Photos . . . . . . . . . . . . . . . . . 191 Lightning Detector and Plotter . . . . . . . . . . . . . . . . . . . . . . . . 192 Wardriving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 GPS in Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194 Chapter 9: Examining the Data . . . . . . . . . . . . . . . . . . . . . . . 195 NMEA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 NMEA Sentences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 NMEA Sentence Structure . . . . . . . . . . . . . . . . . . . . . . . . . . 196 A Closer Look at NMEA Sentences . . . . . . . . . . . . . . . . . . . . . 197 Examining NMEA Sentences . . . . . . . . . . . . . . . . . . . . . . . . . 199 NMEA Checksum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 SiRF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Using NMEA Sentences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 GPS NMEA LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 GPS Diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209 RECSIM III. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211 Using NMEA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 GpsGate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 Recording Actual NMEA Sentences with GpsGate . . . . . . . . . . . . . 216 Recording Simulated NMEA Using GpsGate . . . . . . . . . . . . . . . . 219 Data Playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 Why Bother with NMEA?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 Ensuring That Your GPS Works . . . . . . . . . . . . . . . . . . . . . . . 221 Avoiding Data Corruption . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Chapter 10: More Data Tricks. . . . . . . . . . . . . . . . . . . . . . . . 223 Screenshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 G7toWin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 G7toCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Page 2: Hacking GPS
Page 8: Hacking GPS Published by Wiley Publ
Page 12: Credits Acquisitions Editor Katie M
Page 18: Acknowledgments Extra special thank
Page 26: Contents Acknowledgments . . . . .
Page 30: Contents Chapter 5: Protecting Your
Page 38: GPS Secrets It’s fun to uncover s
Page 42: Model Hard Reset Key GPS 76S Hold d
Page 46: Chapter 1 — GPS Secrets The Garmi
Page 50: 6. Select the appropriate menu numb
Page 54: Function Keys Chapter 1 — GPS Sec
Page 58: Building GPS Data Cables and Power
Page 62: Chapter 2 — Building GPS Data Cab
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Chapter 2 — Building GPS Data Cab
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42 Part I — Hardware Hacks FIGURE
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46 Part I — Hardware Hacks batter
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50 Part I — Hardware Hacks 1.5V +
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52 Part I — Hardware Hacks To GPS
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60 Part I — Hardware Hacks Summar
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66 Part I — Hardware Hacks 1. Hol
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70 Part I — Hardware Hacks Antenn
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72 Part I — Hardware Hacks There
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74 Part I — Hardware Hacks fixed
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76 Part I — Hardware Hacks low pr
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78 Part I — Hardware Hacks For mo
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80 Part I — Hardware Hacks Helix
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82 Part I — Hardware Hacks and ma
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86 Part I — Hardware Hacks You al
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90 Part I — Hardware Hacks Your s
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92 Part I — Hardware Hacks 4. If
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96 Part I — Hardware Hacks Creati
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98 Part I — Hardware Hacks 4. Tak
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100 Part I — Hardware Hacks FIGUR
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112 Part I — Hardware Hacks The U
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114 Part I — Hardware Hacks Heat
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118 Part I — Hardware Hacks 6. Pl
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120 Part I — Hardware Hacks 9. Af
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122 Part I — Hardware Hacks Summa
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Hacking the Firmware One guaranteed
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FIGURE 6-2: Healthy battery level o
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FIGURE 6-4: Files contained in the
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FIGURE 6-7: UltraEdit in action FIG
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Chapter 6 — Hacking the Firmware
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FIGURE 6-19: Exiting the applicatio
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FIGURE 6-26: Use Find Next to searc
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Magellan Summary Chapter 6 — Hack
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148 Part II — Software Hacks FIGU
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150 Part II — Software Hacks Conn
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152 Part II — Software Hacks A US
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154 Part II — Software Hacks FIGU
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156 Part II — Software Hacks 4. T
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158 Part II — Software Hacks e. S
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160 Part II — Software Hacks 2. D
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162 Part II — Software Hacks You
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GPS Data This chapter is all about
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W FIGURE 8-2: Lines of longitude Ch
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FIGURE 8-4: Waypoint information on
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FIGURE 8-8: Time zone information F
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Chapter 8 — GPS Data Different ty
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Chapter 8 — GPS Data After you ha
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FIGURE 8-17: EasyGPS detecting the
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FIGURE 8-21: Waypoints transferred
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Chapter 8 — GPS Data After you ha
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Chapter 8 — GPS Data you create a
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Chapter 8 — GPS Data 2004-11-18T
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xx.xxxxxxYYYY-MM-DDTHH:MM:SSZ
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Chapter 8 — GPS Data As normal, c
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www.waypoints.de www.swopnet.com/w
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Chapter 8 — GPS Data The most pop
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Examining the Data When you connect
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A Closer Look at NMEA Sentences Cha
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Examining NMEA Sentences Chapter 9
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s.s Time in seconds since last upda
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Chapter 9 — Examining the Data WP
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Chapter 9 — Examining the Data BW
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GPS NMEA LOG Chapter 9 — Examinin
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GPS Diagnostic Chapter 9 — Examin
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FIGURE 9-7: Playing back NMEA sente
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FIGURE 9-11: Adding errors to the s
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Chapter 9 — Examining the Data On
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Chapter 9 — Examining the Data of
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Recording Simulated NMEA Using GpsG
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Chapter 9 — Examining the Data We
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More Data Tricks In this chapter, w
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FIGURE 10-2: G7toWin configuration
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Chapter 10 — More Data Tricks The
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FIGURE 10-10: Pasting the bitmap in
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FIGURE 10-12: Contents of the downl
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FIGURE 10-16: The G7toCE configurat
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1. Turn off the device. 2. Connect
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Chapter 10 — More Data Tricks One
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Chapter 10 — More Data Tricks GP
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If the GPS time is early, then a ne
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FIGURE 10-31: Good antenna location
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FIGURE 10-34: A reradiating antenna
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FIGURE 10-37: VisualGPSXP Chapter 1
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FIGURE 10-40: Mask angle displayed
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Chapter 10 — More Data Tricks Thi
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Playtime part in this part Chapter
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256 Part IV — Playtime FIGURE 11-
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258 Part IV — Playtime This new s
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260 Part IV — Playtime One variat
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262 Part IV — Playtime As you ge
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264 Part IV — Playtime Search Pat
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266 Part IV — Playtime Look for t
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272 Part IV — Playtime TomTom sof
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274 Part IV — Playtime In additio
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276 Part IV — Playtime To keep th
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278 Part IV — Playtime Test all t
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286 Part IV — Playtime Power Prot
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288 Part IV — Playtime Do take gr
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292 Part IV — Playtime Points of
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294 Part IV — Playtime Using an a
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298 Part IV — Playtime To summari
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300 Part IV — Playtime Foxhunt Th
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302 Part IV — Playtime Go Fetch!
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304 Appendix A — GPS Primer Sever
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306 Appendix A — GPS Primer The C
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308 Appendix A — GPS Primer A B F
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310 Appendix A — GPS Primer A FIG
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312 Appendix A — GPS Primer Error
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314 Appendix B — Websites/Interne
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316 Appendix B — Websites/Interne
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318 Glossary Coordinates A unique n
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Symbols and Numerics * (asterisk),
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C/A-code (Coarse/Acquisition), 290,
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MeMap package for, 134-139 personal
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GPS III, Garmin. See also Garmin pr
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software version, displaying, 11 sw
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personal reradiating antenna, 73-74
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soft reset actions required after,
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