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Chemist Micheal Faraday begins researching possibility of space conducting electricity. Begining research into energy waves.
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A look into the rise of Cellphones.
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Scientist/Dentist, Dr Mahlon Loomis creates a way of communication using the atmosphere as an electrical conductor. This is done using 2 kites, equiped with copper screens and wires, connected to the ground 18 miles apart on seperate mountains. A grant of 50,000 dollars is given by US congress to further research.
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The first Trans-Atlantic telegraph is built
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The Detroit Police Department installs mobile radios in thier cars. They run at 2 MHz and have many problems such as channel overcrowding and interference.
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US congress creates Federal Communications Sommission to decide who uses certain radio frequencies. Most channels are for government and emergency usage only.
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During the 1940's mobile radios now operate at 30 to 40 MHz. They are common in police departments. Companies begin using the radios for personal gain.
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Many advancements in the Radio make them more attainable by Companies and the Wealthy. Police Radios are common.
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The first mobile-radio-telephone service is created in St.Louis, Missouri. It has 6 channels adding up to 150 MHz. The project gains approval of the FCC but because of massive intereferance the systems barely work.
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AT&T creates first radio-car phone, they are called push-to-talk phones. They can only be used on the highway from New York to Boston. The system uses frequencies 35 to 44 MHz. Again there is a massive amount of interference and AT&T discontinues the project.
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FCC authorizes usage of many seperate Radio Channels to other carriers. Radio Common Carriers, better known as RCC are the first link between mobile and home phones. They are the first step toward cellphones as a profitable business.
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First actual car phones. Still push to talk customers can now call other phone numbers. They require operators to change calls but they actually work.
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New operating system removes push to talk and now customers can pick up the phone and make calls from thier cars. this is due to a new system that runs on 150 Mhz
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The self-dialing option is upgraded to 450 Mhz and becomes standard across the US. This is called IMTS (Improved Mobile Telephone Service.).
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Cell phone supporters win with the FCC and get an alloted 75MHz in the 800 MHz range which is specifically for cellphones.
The FCC now realizes the potential of the cellphone industry. -
AT&T proposes modern day mobile phones to the FCC and are the first to do such.
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Dr,Martin Cooper creates the first handheld mobile phone while working for motorola. The new tech is call the Motorola Dyna-Tac.
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The FCC encourages companies to go "Cellular". A problem arises though when Western Electric is told they cannot make both network and terminal phones under the same roof although they ae closest to succeeding.
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AT&T adaptss its cellular plan for Chicago but the FCC is uneasy about putting the plan in action.
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Cellphone testing is permitted by FCC for Chicago. Bell gets the licence to do the cellphone testing in Chicago while being in partnership with AT&T struggling to battle the non-pogressive FCC.
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The FCC makes rules about the cellphone industry and rules Western Electric can now manufacture cellphone products.
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The Cellular Technology Industry Association is created and helps mega size the indusrty. Helped create TDMA phone technology, the most evolved so far. It goes public in 1991
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Bellsouth announces that it is leaving payphone's because of the competition from cell phones.
