SailRacer.net is GPS based smart phone application for sailors to make tactical decisions at the start and during the race. It is designed and developed by sailors. It is simple, handy, customizable and easy to use.
Direction, distance, speed, VMG and other parameters are calculated based on GPS data. Application has been designed to give most accurate data possible. However accuracy can be influenced by the number of satellites acquired at that time and the GPS receiver of the mobile device used.