Upright position or erect position, in a frequency-division multiple access multiplexer, means that a signal is upconverted to the multiplexer band without inverting the frequencies. See inverted position.
Famous quotes containing the words upright and/or position:
“He who is upright in his way of life and free from sin.”
—Horace [Quintus Horatius Flaccus] (65–8 B.C.)
“Ladies there is no neutral position for us to assume.”
—Gertrude Stein (1874–1946)