Asr

airport surveillance radar.
u.s. navy. air-sea rescue.
historical examples

asr, it appeared, with her violent temper, was frightening them all out of their wits.
a pilgrimage to nejd, vol. 1 [of 2] anne blunt

they eat about nine in the morning, and that meal is called el ghadda; noon el duhhr; three hours after noon el asr.
thalaba the destroyer robert southey

after having recited the afternoon prayer, asr, he went back into his house to buckle on his armour.
the life of mohammad etienne dinet

automatic send receive
airport surveillance radar
air-sea rescue
automatic speech recognition
available solar radiation