A walkthrough of the GPS Benchmark mobile phone
application (continued):
 7) As data is collected, the app shows horizontal, vertical (if ground truth altitude is entered), and estimated horizontal accuracy error statistics that are continuously updated in real-time. The red marker shows an average of the last X number of fixes (adjustable via Settings). ---------------------------------------------------------
 10)
You'll be asked if you want to email the results. If yes, you'll be shown a
list of apps you can choose to send the email. |  8) When you've collected enough data, select "Stop Test" via the menu.  11) Enter the destination email address to send the results, with data in zip file, to yourself or others for review (see Results for examples) |