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Data Hacking

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328 Index ■ H–M<br />

hardware, 315. See also antenna; cables; GPS;<br />

handheld device; PC<br />

HDG sentence (heading, deviation, &<br />

variation), NMEA, 197<br />

HDOP (horizontal dilution of precision), 249<br />

HDT sentence (heading, true), NMEA, 197<br />

healthy, state of satellite, 203–204, 303, 318<br />

helix coil tube, 79, 81–82<br />

helix wire, 80<br />

hex editor<br />

UltraEdit, 130–133, 139–143<br />

XV132, 139<br />

hexadecimal numbers, 139–140<br />

hidden screens and menus<br />

cautions regarding, 3<br />

Garmin products, 4–7<br />

Magellan, 7–11<br />

hide-and-seek, 297–300<br />

hiking stick, mounting GPS to, 111–113<br />

holster for GPS, building, 113–122<br />

horizontal dilution of precision (HDOP), 249<br />

HSC sentence (heading steering command),<br />

NMEA, 197<br />

human body, affecting signal, 64<br />

I<br />

Ido Bar Tana website, 134<br />

ionosphere error, 312<br />

iPAQ connections<br />

battery pack for, 276<br />

cables for, 33<br />

modifying iPAQ cradle for, 33–37<br />

solar power for, 276–277<br />

testing, 37–39<br />

iQue, Garmin. See also Garmin products<br />

full reset, 5<br />

hard reset, 4<br />

soft reset, 5<br />

warm reset, 5<br />

Irish, Jeremy (named geocaching), 257<br />

iSolo software, 268–269<br />

J<br />

Jarrett, Alex (logged first point of<br />

confluence), 292<br />

K<br />

keypad test, Magellan 300/330, 11<br />

Kohl, Gilles (MeMap developer), 134<br />

Kydex sheet, 113, 114–115<br />

L<br />

L1 frequency, 307<br />

L2 frequency, 307<br />

Laipac website, 313<br />

language, Magellan Meridian series, 9<br />

laptop. See PC<br />

latitude<br />

definition of, 166, 318<br />

determining with VisualGPS, 250<br />

intersecting with longitude, 292<br />

LCD, switching off, Magellan Meridian series, 8<br />

LD-250 Lightning Detector, 192<br />

lead-acid battery, 47–49, 276<br />

Leadtek GPS Smart Antenna, 242<br />

Leatherman Charge Ti, 96<br />

lightning arrestors, 71–72<br />

lightning, detecting and plotting, 192<br />

LightningMaster website, 72<br />

lithium batteries<br />

battery packs from, making, 52–57<br />

definition of, 42–43<br />

Lithium-Ion rechargeable batteries, 41<br />

.loc files, 184<br />

location (position). See also waypoints<br />

definition of, 166–168, 318<br />

determining with VisualGPS, 249<br />

longitude<br />

definition of, 166–167, 318<br />

determining with VisualGPS, 250<br />

intersecting with latitude, 292<br />

loss of GPS, protecting from, 280–285<br />

Low Power mode, 44<br />

Lowe external antenna, 67<br />

Lowrance website, 313<br />

M<br />

Magellan 300/330. See also Magellan products<br />

display test, 11<br />

hidden features, 10–11<br />

keypad test, 11<br />

memory, clearing, 11

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