EntityQ638004· pop 28· linked from 45 articleschip logSign in to saveinstrument used to measure the speed of a ship at seaConnectionsPortugalCountryleadEntitymetreEntitywoodEntitytemperatureEntityInternational Standard Book NumberEntityhourEntitycircleEntityGlobal Positioning SystemEntityropeEntityfootEntityunit of measurementEntityhumidityEntityspeedEntityDoppler effectEntitynavigationEntityocean currentEntityknotEntityCartesian coordinate systemEntitynautical mileEntityCategoriesCommons link is locally definedMarine navigationMeasuring instrumentsNavigational equipmentPortuguese inventions