Spat (angular unit)
The spat, from the Latin spatium, is a unit of solid angle. One spat is equal to 4 steradians or approximately square degrees of solid angle. Thus 1 sp is the solid angle subtended by a complete sphere at its center.
The spat, from the Latin spatium, is a unit of solid angle. One spat is equal to 4 steradians or approximately square degrees of solid angle. Thus 1 sp is the solid angle subtended by a complete sphere at its center.