The oscilloscope can be adjusted so that repetitive signals can be observed as a continuous shape on the screen.A storage oscilloscope allows single events to be captured by the instrument and displayed for a relatively long time, allowing observation of events too fast to be directly perceptible. storage oscilloscope allows single events to be captured by the instrument and displayed for a relatively long time, allowing observation of events too fast to be directly perceptible.
On 27 August 1920, regular wireless broadcasts for entertainment began in Argentina, pioneered by the group around Enrique TelÃ©maco Susini, and spark gap telegraphy stopped. On 31 August 1920 the first known radio news program was broadcast by station 8MK, the unlicensed predecessor of WWJ (AM) in Detroit, Michigan.
In 1995 its FM frequency broke off to form Sound Wave - now 96.4 The Wave - aimed at the next generation of listeners. But the original Swansea Sound continues on medium wave (1170 AM) and digital platforms. When Swansea Sound first went on air in 1974: 1  The biggest hit of the year was The Three Degrees with When Will I See You Again. 2  Electronic monitors were slowly replacing canaries as a means of detecting carbon monoxide in Welsh mines.