Data Hacking
Data Hacking
Data Hacking
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332 Index ■ R–S<br />
resources. See websites<br />
.RGN files, 136, 140<br />
Rino GPS receiver (Garmin), 297<br />
RMA sentence (navigation data from present<br />
position), NMEA, 201<br />
RMB sentence (recommended minimum<br />
navigation information), NMEA, 199<br />
RMC sentence (recommended minimum<br />
specific GPS/TRANSIT data),<br />
NMEA, 197, 199–200, 239<br />
RoboGEO software, 191–192, 294<br />
RoboGEO website, 314<br />
ROT 13 encryption system, 259<br />
ROT sentence (rate of turn), NMEA, 197<br />
routes<br />
definition of, 172–173<br />
dummy routes, creating, 190<br />
route-planning for geocaching, 269–272<br />
RPM sentence (revolutions), NMEA, 197<br />
RTE sentence (routes), NMEA, 197<br />
rubber bumpers for screen, 93–94<br />
Russian counterpart to GPS (GLONASS), 318<br />
S<br />
SA (selective availability)<br />
definition of, 255–256, 319<br />
history of, 289–291<br />
satellite constellation, 317, 318<br />
satellite control system, 306, 317<br />
satellites<br />
altitude, how satellites determine, 311<br />
altitude of, 41, 61<br />
availability of, software for, 248<br />
azimuth and elevation graphs for, 248–249<br />
definition of, 303–306, 319<br />
GPS not detecting properly, 219–220<br />
GPS not finding, 161<br />
healthy, 203–204, 303, 318<br />
listing, Magellan Meridian series, 9<br />
orbital period of, 304<br />
satellites in view, 197, 202<br />
signals transmitted by, types of, 306–307<br />
Scientific Components, GPS Toolkit.NET,<br />
193–194<br />
S-code. See C/A-code (Coarse/Acquisition)<br />
screen<br />
Aquapac carrier for, 100–104<br />
cleaning, 88<br />
Otter case for, 105–108, 285<br />
protectors for, 88–92, 285<br />
rubber bumpers for, 93–94, 285<br />
Storm Case for, 99–100<br />
Voyageur bag for, 103<br />
wire bumpers for, 94–99<br />
screenshots, capturing<br />
with G7toCE, 229–235<br />
with G7toWin, 223–229<br />
SeaClear website, 314<br />
search patterns in geocaching, 264–265<br />
secondary confluences, 293<br />
segments<br />
control segment (satellite control system), 317<br />
space segment (satellites), 319<br />
user segment (receivers), 319<br />
selective availability (SA)<br />
definition of, 255–256, 319<br />
history of, 289–291<br />
self test, Magellan SporTrak, 10<br />
sensor calibration, Magellan Meridian series, 9<br />
sensor degauss, Magellan Meridian series, 9<br />
serial port connection, 150<br />
serial port test<br />
Magellan Meridian series, 8<br />
Magellan SporTrak, 10<br />
shut down, forcing, Magellan Meridian series, 8<br />
signal. See also antenna<br />
body affecting, 64<br />
cable length affecting, 69, 77–78<br />
connectors affecting, 78<br />
GPS requirements for, 77<br />
quality of, determining with VisualGPS,<br />
250–251<br />
splitter’s effect on, 78<br />
types of, transmitted by satellite, 306–307<br />
water affecting, 64, 312<br />
signal errors, 311–312<br />
signal repeater, 79<br />
signal-to-noise ratio (SNR), 250–251<br />
SiRF protocol, 206<br />
ski-pole, mounting GPS to, 111–113