Another option that has been mentioned on the SPYING 101 thread is a GPS tracker that
logs information. They are worth mentioning again. They have gotten smaller and more affordable. Make note that they are
not real time though. You place the unit in the car or under the car, or somewhere that it will not be seen. The tracker will start logging date and location and length of stops. At an opportune time you remove it, connect it to your computer and use the software that comes with it to see where the car has been.
I have found, as have others, that a good one is the
LandAirSea GPS Tracker Key There's also a pro model that has a few other options(on/off switch, UBS female port instead of usb male port). Both work with Google Earth. Both have a good magnet that keep it in place.
Based on the basic unit, after the initial installation of batteries and the vehicle has been tracked for the desired time, take the unit off and bring it in to your computer.
Basically:
Install Google Earth
Install software CD
Make sure unit has batteries in it and green light is on
Insert into USB port
Double click icon(software you just installed)
From toolbar on top of screen click second button from left.
A box will open up, check FIND UNIT and then DOWNLOAD
Save the log to file.
A new box will open named ACTION
Select Google Earth then OPEN
Google Earth will open up on screen and you will be able to see the routes taken in green. On the left of the screen you will see a box of LAYERS, you will probably want to make sure that STREET VIEW and ROADS are checked.
You can use the map that comes with the software, but I preferred Google Earth for it's ability to go street level and to do panoramic views at that level.
The only warning I have is that the software that reads the logged data is not a stealth software. It will be seen in PROGRAMS and in its installed location. If your WS will see it and question it, you will need to use a remote computer that they don't have access to.You will need to replace batteries every so often. Based on a 2 hour travel time per day, it's supposed to run for 2 weeks. According to the PRO model, it can go for 80 hours. That's also based on 2 hour travel time per day.