Data Hacking
Data Hacking
Data Hacking
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personal reradiating antenna, 73–74<br />
pFranc, USB-to-serial converter, 15, 150<br />
PGRM prefix, NMEA sentences, 196<br />
PMGN prefix, NMEA sentences, 196<br />
Pocket PC. See handheld device<br />
points of confluence, 292–294<br />
PolyPhaser website, 72<br />
portable device. See handheld device<br />
position<br />
definition of, 166–168, 318<br />
determining with VisualGPS, 249<br />
Position, Velocity, Time (PVT), 166–171<br />
positional errors, 162<br />
postcardware application, 191<br />
power cords<br />
combined with data cable, 17, 18–19<br />
definition of, 16–17<br />
making, 30–32<br />
power supply. See also power cords<br />
affecting Bluetooth range, 154<br />
alkaline batteries, 41–42, 43, 49–52<br />
automotive circuit, connecting GPS receiver to,<br />
16–17, 30<br />
battery packs, making, 49–57<br />
Battery Saver (Low Power) mode, 44<br />
button cell battery, for backup, 45–46<br />
care of batteries, 46<br />
external antenna and, 69<br />
for geocaching, 274–278<br />
lead-acid battery, 47–49, 276<br />
lithium batteries, 42–43, 52–57<br />
Lithium-Ion rechargeable batteries, 41<br />
NiMH (nickel-metal hydride) rechargeable<br />
batteries, 43–46<br />
protecting from jolts, 286<br />
for reradiating antenna, 74<br />
solar power, 57–59<br />
12-volt power supply, 47–49<br />
zinc-carbon batteries, 42<br />
PPS (Precise Positioning Service) signal, 307<br />
Precision (P-code)<br />
definition of, 318<br />
encrypted (Y-code), 319<br />
used by PPS, 307<br />
Premier geocaching website, 314<br />
primary confluences, 293<br />
programming with GPS data, 193–194, 251<br />
protectors, screen, 88–92<br />
pseudo-random code, 311<br />
PVT (Position, Velocity, Time), 166–171<br />
Q<br />
quad-helix antenna<br />
advantages and disadvantages of, 62<br />
building, 79–85<br />
placement of, 63–64<br />
Index ■ P–R<br />
R<br />
Radiall website, 72<br />
RAM mount, 108–113<br />
receiver. See GPS (Global Positioning System);<br />
user segment<br />
receiver error, 312<br />
receiver-only GPS device, 147<br />
rechargeable batteries<br />
Lithium-Ion, 41<br />
NiMH (nickel-metal hydride), 43–46<br />
RECSIM III software, 211–212<br />
reflective tape, 281<br />
repeater, 79<br />
reradiating antenna<br />
for atomic clock system, 244–246<br />
cables for, 74<br />
communal reradiating antenna, 74<br />
definition of, 72<br />
for geocaching, 279<br />
personal reradiating antenna, 73–74<br />
placement of, on car, 75–76<br />
power requirements for, 74<br />
range of, 74<br />
types of, 73<br />
reset<br />
full reset<br />
actions required after, 11<br />
Garmin iQue, 5<br />
hard reset<br />
actions required after, 11<br />
definition of, 4<br />
Garmin products, 4–5<br />
soft reset<br />
actions required after, 11<br />
definition of, 5<br />
Garmin products, 5<br />
warm reset, Garmin iQue, 5<br />
331
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