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FIGURE 11-25: Lowe external antenna Chapter 11 — <strong>Hacking</strong> Geocaching Another option is to use a reradiating antenna, shown in Figure 11-26, which is a strong antenna for capturing the signal from the GPS satellites, which then retransmits it via a transmitter. The built-in antenna then picks up this amplified signal and gets a lock from that. The great thing about this is that if you geocache in a group, you can use the one reradiating antenna to work with several GPS receivers. To use a reradiating antenna, you will need to use an external power supply (such as a 12-volt supply, or batteries, usually AA or 9-volt batteries) because it relies on this to amplify and retransmit the signal. This kind of setup is great in locations where you might otherwise not get a good satellite lock. The drawbacks, however, are that this kind of setup is cumbersome, needs batteries, and requires a lot of cables that you need to keep under control. Again, careful use of tape and cable ties is essential. 279
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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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FIGURE 5-22: Aquapac suited to an i
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Software Hacks part in this part Ch
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126 Part II — Software Hacks Mana
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128 Part II — Software Hacks If t
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130 Part II — Software Hacks You
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132 Part II — Software Hacks FIGU
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134 Part II — Software Hacks Like
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138 Part II — Software Hacks 11.
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140 Part II — Software Hacks This
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144 Part II — Software Hacks It
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Making Connections In this chapter,
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Chapter 7 — Making Connections Th
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FIGURE 7-4: A PC serial port FIGURE
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FIGURE 7-6: Haicom Bluetooth GPS se
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Which Connection Is Best? So which
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FIGURE 7-10: Port speed settings on
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Chapter 7 — Making Connections 4.
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Chapter 7 — Making Connections If
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Data Hacking part in this part Chap
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166 Part III — Data Hacking Put s
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168 Part III — Data Hacking This
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170 Part III — Data Hacking y N x
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172 Part III — Data Hacking Manua
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174 Part III — Data Hacking The g
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176 Part III — Data Hacking 3. Se
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178 Part III — Data Hacking 3. No
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180 Part III — Data Hacking FIGUR
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182 Part III — Data Hacking 1. To
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184 Part III — Data Hacking When
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186 Part III — Data Hacking The d
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188 Part III — Data Hacking For a
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190 Part III — Data Hacking The o
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192 Part III — Data Hacking RoboG
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194 Part III — Data Hacking In ad
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196 Part III — Data Hacking NMEA
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198 Part III — Data Hacking Strin
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200 Part III — Data Hacking hhmms
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202 Part III — Data Hacking GSA (
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204 Part III — Data Hacking A Tot
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206 Part III — Data Hacking SiRF
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208 Part III — Data Hacking The a
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212 Part III — Data Hacking RECSI
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214 Part III — Data Hacking Figur
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216 Part III — Data Hacking In th
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218 Part III — Data Hacking 7. To
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220 Part III — Data Hacking The f
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222 Part III — Data Hacking usual
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228 Part III — Data Hacking The
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230 Part III — Data Hacking H/PC
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232 Part III — Data Hacking 2. Cr
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234 Part III — Data Hacking 7. Se
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236 Part III — Data Hacking Turni
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238 Part III — Data Hacking Doing
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246 Part III — Data Hacking Anten
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248 Part III — Data Hacking Azimu
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250 Part III — Data Hacking Navig
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252 Part III — Data Hacking Summa
Page 542: Hacking Geocaching If a gadget or d
Page 546: FIGURE 11-2: 20-yard uncertainty Th
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Page 562: FIGURE 11-6: Crisscross or grid sea
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Page 570: GPXSpinner is available from www.gp
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Page 582: FIGURE 11-19: Keep cables under con
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Page 592: 280 Part IV — Playtime FIGURE 11-
Page 604: 286 Part IV — Playtime Power Prot
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Page 620: 294 Part IV — Playtime Using an a
Page 628: 298 Part IV — Playtime To summari
Page 632: 300 Part IV — Playtime Foxhunt Th
Page 636: 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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