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.
On March 15, 2011, radio station KUFO 101.1 FM in Portland Oregon left the airwaves for good in a move made by its COO Bob Proffitt of Alpha Broadcasting Inc. The station was replaced with a news and talk format simulcast from its sister station KXL AM in Portland Oregon.ust ask the folks in Portland and the former workers at KUFO 101.1 FM...with an immediate decision, their lives, and the lives of the listeners of now gone KUFO 101.1 FM Portland's Rock, changed from one day...to the next...that quick..that instant..and that unexpected.