Data Hacking

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128 Part II — Software Hacks If things do go wrong, there is a good chance you will be able to reload the firmware and get the GPS receiver unit back up and running. Messing with the firmware of a GPS receiver is likely to invalidate the warranty, so take great care and weigh the benefits against the potential drawbacks. Everything described in this book has been tested by many people, but there is always a chance that things can go wrong. Updating the Firmware Updating the firmware on a GPS unit is a relatively easy process that takes only a few minutes. It varies slightly from unit to unit and maker to maker but usually the process is as follows: 1. Download the latest version of the firmware. A download package is shown in Figure 6-3. Make sure that the firmware that you download is the right firmware for the unit you are updating. Downloading and loading the wrong firmware onto a GPS unit is guaranteed to cause problems. FIGURE 6-3: A firmware download package 2. Downloads are usually available in a zipped, or compressed, file. Uncompress the file and extract the contents. The file for an update to a Garmin unit is shown in Figure 6-4. 3. Connect the GPS unit to the PC using the appropriate cable, and switch the GPS receiver on. 4. Run the main executable file that you extracted. This will begin the firmware updating process, as shown in Figure 6-5. 5. The firmware updating application will keep you posted as to the progress of the update. 6. After the update is complete, disconnect the GPS from the cable and switch it on — the system should fire up with the new firmware installed.
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Hacking GPS
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Hacking GPS Published by Wiley Publ
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Credits Acquisitions Editor Katie M
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Acknowledgments Extra special thank
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Contents Acknowledgments . . . . .
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Contents Chapter 5: Protecting Your
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Hardware Hacks part in this part Ch
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4 Part I — Hardware Hacks Garmin
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6 Part I — Hardware Hacks Diagnos
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8 Part I — Hardware Hacks Magella
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10 Part I — Hardware Hacks Magell
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12 Part I — Hardware Hacks Summar
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14 Part I — Hardware Hacks No cab
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16 Part I — Hardware Hacks FIGURE
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18 Part I — Hardware Hacks Combin
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24 Part I — Hardware Hacks 8. Car
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26 Part I — Hardware Hacks 12. A
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30 Part I — Hardware Hacks 6. Add
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34 Part I — Hardware Hacks Cradle
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38 Part I — Hardware Hacks Now ta
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Power Hacks Without power, even the
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FIGURE 3-2: AA lithium batteries Ch
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Chapter 3 — Power Hacks FIGURE 3-
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Chapter 3 — Power Hacks But what
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Chapter 3 — Power Hacks These sma
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Chapter 3 — Power Hacks As you ca
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Chapter 3 — Power Hacks With two
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Chapter 3 — Power Hacks 3. Take a
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Chapter 3 — Power Hacks 7. Finall
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FIGURE 3-21: 12-volt output from a
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Antenna Hacks Making the most out o
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FIGURE 4-2: The Garmin eTrex receiv
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Chapter 4 — Antenna Hacks FIGURE
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Chapter 4 — Antenna Hacks The con
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FIGURE 4-9: MMCX connector on a Hai
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Chapter 4 — Antenna Hacks For tru
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This sequence is summarized in Figu
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FIGURE 4-14: SmartSolar solar charg
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Carrying a GPS Signal via Cable Cha
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Using a Signal Repeater Chapter 4
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Chapter 4 — Antenna Hacks Aluminu
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Chapter 4 — Antenna Hacks 6. Now
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Summary FIGURE 4-20: Holding the wi
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Protecting and Mounting Your GPS AG
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FIGURE 5-2: Commercial screen prote
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Chapter 5 — Protecting and Mounti
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More Screen Armoring Chapter 5 —
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FIGURE 5-18: Pressure-equalizing va
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Page 290: FIGURE 6-4: Files contained in the
Page 294: FIGURE 6-7: UltraEdit in action FIG
Page 298: Chapter 6 — Hacking the Firmware
Page 310: FIGURE 6-19: Exiting the applicatio
Page 318: FIGURE 6-26: Use Find Next to searc
Page 322: Magellan Summary Chapter 6 — Hack
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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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