6-12 More ProgramsNMEA LogTo start logging, tap Setting Log Start. To stop, tap Setting Log Stop.For each logging section, new data is added to the end of the existing datain the same file. By default, the log file is named “GeTACGPSLog” and savedto “My Documents” folder on your device. To specify a different name andlocation for file, tap Setting Log File.SBAS SettingsSBAS (WAAS, MSAS, ENGOS) provides additional accuracy and reliability forthe GPS devices. Ground stations are necessary to achieve the purpose.The SBAS feature works where such stations exist. To enable the feature, tap Settings System External GPS Advanced. Tap the checkbox toenable or disable the SBAS function.Tap OK when finished. If you change the setting while a GPS program (suchas TacLink) is running, the change takes effect only after you exit the GPSprogram and then start it again.Tap the checkbox toenable or disable thefunction. An Xindicates enabled.