If you are working with GPS NMEA sentences and need to calculate the checksum for a sentence, here is a Windows application that can do this for you. The download and use of this application is absolutely free, but without any implied or expressed warranty. USE AT YOUR OWN RISK!. Click here to install

NOTE: By clicking install the software will be downloaded and installed onto your computer. Every time you start this software, it will check for an update and install the update if available

Yhis Windows Application was designed to aid in the creation of NEMA checksums. It is very easy to use. Simoly enter the NEMA string you wish to create a checksum for. Click at the Calc button and viola. The resulting checksum is printed next to the Checksum = .

The application is installed via the Install Web Interface and will check for updates every time the application is started. if there is a newer version available, you may update it.

The application is absolutely free of charge, and may be distributed, however I ask to leave it in its original form.

Click the ABOUT button for more information.