callers-telephone station
41Time signal — These automatic signal clocks were synchronized by telegraphy in 1905 before the widespread use of radio A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day. Contents 1 Audible… …
42Donald Beatty — Donald Croom Beatty (April 11, 1900 – July 12, 1980) was an American aviator, explorer, and inventor. Beatty was the son of Isaac Beatty, Jr and Hughie Duffee Beatty of Birmingham, Alabama (USA). He began his flying career as a teenager by… …
43Carterfone — The Carterfone is a device invented by Thomas Carter. It connects a two way mobile radio system to the Public Switched Telephone Network (PSTN). The device was acoustically, but not electrically, connected to the Public Switched Telephone Network …
44Fort Lauderdale Fire-Rescue — InfoboxFireDepartment name = City of Fort Lauderdale Fire Rescue Department motto = Saving Life and Property established = 1912 staffing = Career strength = 454 stations = 11 engines = 12 trucks = 3 EMSunits = 13 per shift = 80… …
45Car Talk — Genre Automotive repair/advice, Humor Running time ca. 50 min Country United States …
46Talk radio — For other uses, see Talk Radio (disambiguation). Talk radio is a radio format containing discussion about topical issues. Most shows are regularly hosted by a single individual, and often feature interviews with a number of different guests. Talk …
47Mutual Broadcasting System — Type Cooperative radio network (1934–52); corporate controlled radio network (1952–99) …
48Duplex (telecommunications) — A duplex communication system is a system composed of two connected parties or devices that can communicate with one another in both directions. The term multiplexing is used when describing communication between more than two parties or devices …
49Long John Nebel — (born John Zimmerman) (June 11, 1911 – April 10, 1978) was an influential New York City talk radio show host.From the mid 1950s until his death in 1978, Nebel was a hugely popular all night radio host, with millions of regular listeners and what… …
50The Booker Show — is an American radio program hosted by Chris Booker. It was originally on WXRK in New York City, where it was broadcast at night. After Chris Booker accepted a morning slot on WIOQ in Philadelphia, The Booker Show name continued to be used, but… …
