(September 2014). A general sales agent (GSA) is a sales representative for an airline in a specific country or region. Typically, the GSA is responsible for selling all products of the airline in its region which includes flight tickets and cargo space. A GSA will typically sell the product of more than one airline.
Definition of standing wave. : a single-frequency mode of vibration of a body or physical system in which the amplitude varies from place to place, is constantly zero at fixed points, and has maxima at other points.
A.C. circuit theory, quantum mechanics, nanotechnology. Formation of Stationary Waves. The conditions for standing waves are: 1. two waves travelling in opposite directions along the same line of travel and in the same plane. 2. the waves have the same speed. 3. the waves have the same frequency. 4. the waves have the same approximate amplitude.