Angle of Uncertainty

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search

2-5-230

the angle of uncertainty is the region where the colour and/or the flash rhythm change and where the resulting colour of the light is mixed/affected by two colours, or showing fading intensity due to a blanking screen.


Angle Of Uncertainty 2023.png




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)