Radio 2013
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This document covers the history and development of radio broadcasting from the late 19th century up to modern times. Some of the key points covered include the early pioneers of radio technology like Guglielmo Marconi and Reginald Fessenden. It discusses the establishment of the first radio stations in the 1920s by Westinghouse and the creation of the Federal Radio Commission and later the FCC to regulate broadcasting. The document also covers the transition to FM radio in the 1930s led by Edwin Armstrong and the establishment of international standards for radio spectrum allocation by the ITU.
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Radio 2013
- 1. WEEK # 4
- 4. • • •
- 5. - • • • • • •Dots & Dashes • • •–What hath God Wrought •
- 7. •- • • •– •Marconi Wireless Telegraph Company (British Marconi) • • • •“–Father of Radio
- 8. - •–– (Audion Vacuum Tube)– •–Reginald Fessenden •Liquid barretter • •
- 9. Wireless Ship Act of 1910 • • • • •Carpathia: Savior of the Titanic •
- 11. • •
- 12. • • •
- 13. • • •(Westinghouse) • • • • •“The Father of Radio Broadcasting“
- 17. • •Federal Radio Commission (FRC)– • • • •“in the public interest, convenience, and necessity“ •What does this mean?!- • •FCC) • • • •- • • •- • • • • • • •
- 18. - • • •
- 20. FM Radio •Frequency Modulation •Edwin Armstrong, 1930 • •Static free compared to AM • •FM •FMAM •–FM •AM •1965 – Non-duplicate rule passed (could not play more than 50% of the same material) •(AM) •FM
- 21. AM vs. FM
- 22. • • - • •
- 23. • – • BBC
- 24. • • • •
- 25. –Radio Sawa •March 23, 2002 •Broadcasts from Washington D.C. & Dubai •Publicly funded by the Broadcasting Board of Governors in the U.S. congress •“improve America’s image“ •20% news, 80% music
- 27. •Bands – •
- 28. .1 .2 .3 •
- 29. .1 .2 .3 .4
- 30. • • •
- 31. •
- 32. • •
- 33. •– • •
- 35. • • • •
- 36. • • •- • •- • •