Data Hacking

More Data Tricks
In this chapter, we will examine some cool tricks you can do with your GPS,
relating specifically to data. Rather than looking at purely positional data
and things you can accomplish with that, this chapter takes a broader, more
general look at GPS data and how you can use it.
Screenshots
You might have noticed that some web pages and manuals have screenshots
of what is actually displayed on the GPS. Being able to capture actual
screenshots could be very useful if you are creating a manual or a set of
instructions, if you are trying to diagnose problems, or indeed for many
other uses.
Generally, there is no feature that enables you to grab a screenshot from your
GPS from within the GPS firmware itself or from the associated software
that you get with your GPS (usually very little, if anything). However, you can
find software that will let you do so.
G7toWin
G7toWin, shown in Figure 10-1, is software that can take screenshots of the
screen displayed on most Garmin GPS units and import them onto your
PC.
G7toWin is available for free download from www.gps
information.org/ronh.
This software works for most GPS receivers by Garmin, Magellan, and
Lorance/Eagle. In addition to taking screenshots, it does a lot more.
G7toWin, as you might have seen in previous chapters, can also be used to
transfer various kinds of data to and from your GPS:
Routes
Tracks
Waypoints
Events (Lowrance/Eagle units only)
Satellite information (such as the almanac data)
chapter
in this chapter
˛ Taking screenshots
of your GPS
˛ Using G7toWin
˛ Using G7toCE
˛ Getting an accurate
time signal
from GPS
˛ Using NMEATime
˛ Using VisualGPS
and VisualGPSXP
˛ NMEA information