SUBJECT: Planning and Monitor
Question No. 1

An airway is marked FL 80 1500 a. This indicates that:

[ Total Que.:60 ]
the minimum enroute altitude (MEA) is FL 80.
the airway base is 1500 ft MSL.
the airways extends from 1500 ft MSL to FL 80.
1500 ft MSL is the minimum radio reception altitude (MRA).