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The Bell System

Harrison, Arkansas gets cutting edge phone service

According to the story in the Daily Times, a helium-filled balloon was being used to map the route. The balloon was sent up 50 to 100 feet and held in place with a rope, while surveyors 15 miles away spotted it with high-powered binoculars.

http://harrisondaily.com/news/museum-musings-can-you-hear-me-now-harrison-gets-cutting/article_0a3d1952-562f-11e9-8975-9f14a9d77213.html

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Gallery: AT&T Long Lines

Tower in Corbin, Virginia

This is an AT&T microwave radio relay tower located in Corbin, Virginia. It connected Faulkner to the Carolinas (by way of Boydton) and was named the “Corbin” tower. The next tower north of Corbin was in Faulkner and the next tower south of Corbin was in Coatsville.

Coordinates: 38-12-43.7 N 077-21-24.8 W
FCC ASR Registration Number: 1023977
Height: 101.5 feet above ground
Owner: American Towers, Inc.

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Dinwiddie, Virginia Gallery: Aerial photography Gallery: AT&T Long Lines Gallery: Dinwiddie County, Virginia Video

Aerial of Cherry Hill, Virginia – February 2014

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Gallery: AT&T Long Lines

Cle Elum Tower

This is an AT&T microwave radio relay tower located in Cle Elum, Washington. A friend and I hiked up this mountain in late 2010.

Coordinates: 47-7-57.05N 120-53-7.34W
FCC ASR Registration Number: 1281229
Height: 67 feet above ground
Total Height: 3937 feet above sea level
Owner: American Towers, Inc.

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Gallery: AT&T Long Lines Video

Tower in Cle Elum, Washington – November 2010

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The Bell System

Lucent technologies – Bell Labs Innovations

Lucent technologies – Bell Labs Innovations

Alexander Graham Bell

Thomas Watson

Teddy Vail

George Campbell’s wave filter

Calling ship to shore

Frank Jewitt

Harold Black

Negative feedback

Television

Fax machines

More, more, more

Hi Fi, talkies

Movies, sound

Laying copper by the pound

Systems engineering

Quality control

Karl Demke

Herbert Ives

Davisson wins Nobel Prize

First speech synthesis

Beethoven in stereo

Bell Labs Innovations

Communications for the next generation

Bell Labs Innovations

Our contribution to the revolution

Ollie Buckley

Mobile phones

Radar

John Pierce

GI Loans

George David

Cellular

Voice technography

Claude Shannon

PCM

Richard Hamming

William Fan

Crackerjack transistor team

Bardeen, Brattain, Shockley

Transatlantic cable

A transistorized computer made

Non-blocking networks

Macro coding scheme

Oxide masking

Solar cells

Transistors win the Nobel

Art [Schawlow] and Charles [Townes] what a team

They invent the laser beam

Bell Labs Innovations

Communications for the next generation

Bell Labs Innovations

Our contribution to the revolution

Mervin Kelly

Touch-tone

Foil electret microphone

LEDs

Telstar I

Digital transmission

Long distance dialing

First ever paging

Superconductivity

Ion implantation

MBE

CCDs

Magnetic bubble memory

Penzias and Wilson

Hear the big bang noise

Automated switchboards

Ever moving forward

Jim Fisk

1E switch

That’s our attitude, do it, boys!

John Tukey

Carbon dating

Ken and Den built UNIX

Bill Baker

Quantum wells

NCDD

C language

Chromendure

Fiber optics will endure

Electron beam lithography

Anderson wins Nobel 3

Linc Hawkins

Amos Joel

Tom McChesney

Alfred Cho

Packet data

BellMAC

WDM

Transmitting mobile microwaves

Solitons without their phase

Transistors getting so small

You can’t even see them

Bell Labs Innovations

Communications for the next generation

Bell Labs Innovations

Our contribution to the revolution.

Echo canceller

DSDs

All on one chip if you please

Penzias and Wilson win the Nobel Prize

Bell Labs gets a new boss

By the name of Ian Ross

Lightwave goes long distance

Cellular gets digitized

S language

C++ – reuse code without a fuss

Femtosecond pulses

Deep UV lithography

Software windows on our screen

Gigabit transmission seen

Tunable lasers

Programming that’s sharp as razors

Bell Labs Innovations

Communications for the next generation

Bell Labs Innovations

Our contribution to the revolution

Megabits on a chip

First electro-optic switch

Atom-trapping micro cells

HDTV

Transatlantic lightwave cable

Bell Labs led by John Mayo

Neural networks

Buckeyballs

Superconductivity

RBM builds amplifier

Data nets without the wire

Operating Systems

Software methodology

Optical cross-connect

Jin Leong is President

Bell Labs spins out technologies

See the mighty SCALPEL

C2 waves Nobel

Transistor

Atom glide

X -ray Microprobe

Imaging buffer lobe

Circuits on plastic

Lasers that are bow tied

Internet telephony

Microphones the size of fleas

St’rmer, Loughlin, Tsui win a Nobel prize

Free space optic benefits

? router softswitch

Netravali needs the help

Lucent’s start is on the rise.

Bell Labs innovations

Make communication for the next generation

Bell Labs innovations

Our contribution to the revolution

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Gallery: AT&T Long Lines

Cherry Hill Tower

This is an AT&T microwave radio relay tower located in Dewitt, Virginia. It connected Richmond to Rocky Mount and was named the “Dewitt” tower. The next tower north of Dewitt was in Matoaca, VA and the next tower south of Dewitt was in Margaretsville, NC.

Coordinates: 36-56-39.9N 077-37-12.7W
FCC ASR Registration Number: 1024227
Height: 344 feet above ground
Owner: American Towers, Inc.

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