Columbus III

COLUMBUS III is a 9900 km transatlantic telecommunications cable. It has 90 repeaters. In service since 1999, it is owned by over 30 carriers.

After a 2009 upgrade, the capacity of the system between the United States and Portugal was increased to 160 Gbit/s initially. The upgraded system can accommodate up to 320 Gbit/s with potential to grow further.^[1]^[2]^[3]

It has landing points in:

References

ICPC Cable database

Transatlantic communications cables
TAT series	TAT-1 2 3 4 5 6 7 8 9 10 11 12/13 14 CANTAT-1 2 3 PTAT-1
Private non-TAT	Gemini Apollo AC-1 Yellow/AC-2 FLAG Atlantic VSNL Transatlantic Hibernia Atlantic
Other	SAT-2 SAT-3/WASC/SAFE Atlantis-2 Columbus III Eulalink

Telecommunications
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Pioneers	Edwin Howard Armstrong John Logie Baird Paul Baran Alexander Graham Bell Tim Berners-Lee Jagadish Chandra Bose Vint Cerf Claude Chappe Donald Davies Lee de Forest Philo Farnsworth Reginald Fessenden Elisha Gray Erna Schneider Hoover Charles K. Kao Hedy Lamarr Innocenzo Manzetti Guglielmo Marconi Antonio Meucci Radia Perlman Alexander Stepanovich Popov Johann Philipp Reis Nikola Tesla Camille Tissot Alfred Vail Charles Wheatstone Vladimir K. Zworykin
Transmission media	Characteristic impedance Coaxial cable Electromagnetic radiation Electrical cable Free-space optical communication Heaviside condition Loading coil Molecular communication Optical fiber Telegrapher's equations
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