What hath God Wrought
" can you hear me now?➢ First person to broadcast a human voice using a wireless telephone attached to ground electrodes-
• Transmitted from England to Newfounland- The letter “S” in 1902. The first successful transatlantic radio-telegraph message.
➢ First radio broadcast- Christmas Eve, 1906. “O Holy Night” and a passage from the bible were heard.
Nathan Stubblefield patented a new version of wireless telephone designated to communicate with moving vehicles/stagecoaches.
The U.S.S. Ohio was sending out band tunes to other ships and even responding to requests. DeForest considers this the beginning of broadcasting.
➢ Mandated radio equipment for all long-distance vessels after the Titanic tragedy and that the wireless system be managed 24 hours a day.
➢ Auxiliary power must also be available of vessels in case of engine failure.
➢ Each ship’s radio had to have a range of at least 100 miles.
➢ Purged the airwaves of amateur radio users.
➢ Operators had to be licensed and adhere to certain bandwidths.
➢ Large portions of the spectrum were set aside for the Navy.
➢ Radio frequency was/is considered a “Natural Resource”.
➢ Radio stations had to obtain licenses from the Commerce Department
invented Regenerative or Feedback Circuit that allowed radio broadcasts to have a greater range
invented the Superhetrodyne Tuner that allowed radios to tune into different radio stations (1918)
KYW, exclusively opera
WEAF the first commercial radio station in New York
for $1 million dollars
• First national radio network- NBC in 1926
• Network (at first) paid their affiliates- CBS 1927 paid affiliates $50/hr to carry network programming.
• 1. The creation of a new government commission “The FRC”
• 2. The commission’s mandate to regulare radio in the “public interest”, convenience, and necessity
• Prior to 1927, radio was regulared by the Department of Commerce(natural resource)
• Powers were limited…they were not allowed to deny broadcast licenses to anyone who wanted on
• Too many stations on too few frequencies
• Transferred power to the FRC (federal radio commission later would become fCC)
• Had no authority over advertising…
• The 5 person FRC was given power to grant or deny licenses
• To assign frequencies and power levels for each licensee
• The commission had little or not power over networks
first comedy variety show, used ethnic and minstrel humor
is credited with discovering Frequency Modulation (FM) radio
Professor Quiz by CBs
➢ Armstrong was broke and on January 31st 1954 he jumped out of a 13 story window
to help FM sales
prohibits stations form simulcasting programming from their AM stations to their FM stations
new format that built steam in the 70s
➢ Pirate stations are unlicensed radio stations. They were ordered off the air if they want LPFM eligibility.
➢ Effective wattage is only 100 watts. That is a 3.5 mile radius.
➢ By 2007- 810 LPFM stations are on the air.
➢ Half of licenses approved in the first round were right-wing Christian fundamentalist groups