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Society: IEEEMain Category: Aerospace & AviationSub Category: ICEra: 1830-1839NewyorkState: ACTCountry: China
On 24 December 1906, the first radio broadcast for entertainment and music was transmitted from Brant Rock, Massachusetts to the general public. This pioneering broadcast was achieved after years of development work by Reginald Aubrey Fessenden (1866-1932) who built a complete system of wireless transmission and reception using amplitude modulation (AM) of continuous electromagnetic waves. This technology was a revolutionary departure from transmission of dots and dashes widespread at the time.
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Image Credit: Courtesy Michael Thompson (CC BY-SA 2.5)Image Caption: 500 CPS Synchronous Rotary Gap transmitter at Brant Rock, Ma. Ca: 1906.Era_date_from: 1906
2008
During the winter of 1957-58, Earl E. Bakken developed the first wearable transistorized pacemaker, the request of heart surgeon, Dr. C. Walton Lillehei. As earlier pacemakers were AC-powered, this battery-powered device liberated patients from their power-cord tethers. The wearable pacemaker was a significant step in the evolution to fully-implantable units.
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Image Credit: Courtesy Professor Marko Turina, University Hospital, Zurich (CC BY 3.0)Image Caption: Arne H. W. Larsson (26th May 1915 to 28th December 2001) was the first recipient of an implantable pacemaker. He received the first device in 1958 and had a total of 26 devices during his life. He became an advocate for patients needing pacemakers, campaigning for greater funding and research in this area.Era_date_from: 1957
1999
On 23 November 1963, this site received the first transpacific transmission of a TV signal from Mojave earth station in California, U.S.A., via the Relay 1 communications satellite. The Ibaraki earth station used a 20m Cassegrain antenna, the first use of this type of antenna for commercial telecommunications. This event demonstrated the capability and impact of satellite communications and helped open a new era of intercontinental live TV programming relayed via satellite.
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Image Caption: Artist's vision of NASA Relay 1 satelliteEra_date_from: 1963
2009
Pleumeur-BodouCountry: FranceWebsite: http://www.ieeeghn.org/wiki/index.php/Milestones:First_Transatlantic_Reception_of_a_Television_Signal_via_Satellite,_1962
On 11 July 1962 a station in Pimsleur-Bodou received the first transatlantic transmission of a TV signal from a twin station in Andover, Maine, USA via the TELSTAR satellite. The success of TELSTAR and the earth stations, the first built for active satellite communications, illustrated the potential of a future world-wide satellite system to provide communications between continents.
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Image Credit: Courtesy Flickr/Nicholas Lannuzel (CC BY-SA 2.0)Image Caption: The Radome in Pimsleur-Bodou.Era_date_from: 1962
2002
On 16 December 1953, the first television broadcast in Western Canada was transmitted from this site by the Canadian Broadcasting Corporation's CBUT Channel 2. The engineering experience gained here was instrumental in the subsequent establishment of the more than one thousand public and private television broadcasting sites that serve Western Canada today.
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Era_date_from: 1953
2010
On 12 September 1958, Jack S. Kilby demonstrated the first working integrated circuit to managers at Texas Instruments. This was the first time electronic components were integrated onto a single substrate. This seminal device consisted of a phase shift oscillator circuit on a tiny bar of germanium measuring 7/16” by 1/16” (11.1 mm by 1.6 mm). Today, integrated circuits are the fundamental building blocks of virtually all electronic equipment.
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Image Credit: Courtesy Wikipedia/Texas InstrumentsImage Caption: Jack Kilby's original integrated circuit.Era_date_from: 1958
2009
Society: IEEEMain Category: ElectricEra: 1970-1979DateCreated: 1974-1982Lincoln LaboratoryLexingtonState: MAZip: 02493Country: USAWebsite: http://www.ieeeghn.org/wiki/index.php/Milestones:First_Real-Time_Speech_Communication_on_Packet_Networks,_1974_-_1982
In August 1974, the first real-time speech communication over a packet-switched network was demonstrated via ARPANET between MIT Lincoln Laboratory and USC Information Sciences Institute. By 1982, these technologies enabled Internet packet speech and conferencing linking terrestrial, packet radio, and satellite networks.
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Era_date_from: 1974
2011
On the morning of 17 April 1967, radio astronomers used this radiotelescope at DRAO and a second one at the Algonquin Radio Observatory located 3074 km away to make the first successful radio astronomical observations using Very Long Baseline Interferometry. Today, VLBI networks span the globe, extend into space and continue to make significant contributions to both radio astronomy and geodesy.
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Image Credit: Courtesy Flickr/bulliver (CC BY-SA 2.0)Image Caption: The Radiotelescope at DRAOEra_date_from: 1967
2010