NATS 1700 Chapter Notes -Microcomputer, Bricklin Sv-1, Steve Wozniak

• School: York University
• Department: Natural Science
• Course: NATS 1700
• Professor: Dov Lungu

Document Summary

First commercial application of radio broadcasting was in telegraphy: morse signals were transmitted from one point to another a telegraph without wires. Over years, wireless telegraphy was steadily perfected and incorporated into the world"s telegraph systems, and voce transmission and marine-based telegraphs were discovered. Wireless telegraphy was in the process of being institutionalized by the telegraph companies and gov"t, also began to draw attention of men and boy hobbyists. By 1917 there were 13 581 licensed amateur operations in us, and the number of unlicensed receiving stations was estimated at 150 000. 3 key points emerge from radio broadcasting history in america: 1. Radio came from a new enabling technology whose long term importance was initially unrecognized. Originally used for point to point communications technology, was reconstructed to broadcast entertainment medium for mass consumer: 2. Radio amateurs built the first receivers when there was no radio-set industry, thus enabling broadcasting to take off: 3.