"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
A-SCOPE: [A-scan]. A cathode-ray oscilloscope [CRT] used in radar systems to display vertically the signal amplitude as a function of time (range) or range rate. Targets are displayed as perpendicular deflections on the time scale. Sometimes referred to as Range (R)-Scope.
-- Related Terms --
RANGE MARKER. A movable vertical pulse on an A-scope or a ring on a PPI scope used to measure the
range of an echo or to calibrate the range scale.
RANGE STEP. On an A-scope sweep, a vertical displacement used to measure the range of an echo.
