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Is the achievement you are proposing more than 25 years old? Yes
Is the achievement you are proposing within IEEE’s fields of interest? (e.g. “the theory and practice of electrical, electronics, communications and computer engineering, as well as computer science, the allied branches of engineering and the related arts and sciences” – from the IEEE Constitution) Yes
Did the achievement provide a meaningful benefit for humanity? Yes
Was it of at least regional importance? Yes
Has an IEEE Organizational Unit agreed to pay for the milestone plaque(s)? Yes
Has an IEEE Organizational Unit agreed to arrange the dedication ceremony? Yes
Has the IEEE Section in which the milestone is located agreed to take responsibility for the plaque after it is dedicated? Yes
Has the owner of the site agreed to have it designated as an Electrical Engineering Milestone? Yes
Year or range of years in which the achievement occurred:
Title of the proposed milestone:
Transpacific Cable No.1 (TPC-1) Systems, 1964
Plaque citation summarizing the achievement and its significance:
At this site,the first Transpacific Undersea Coaxial Telephone cable linking Japan, Hawaii and the USA was landed. This joint project between American Telephone and Telegraph, Hawaiian Telephone Company, and Kokusai Denshin Denwa was inaugurated on 19 June 1964 by President Lyndon B Johnson and Prime Minister Hayato Ikeda, as they exchanged a congratulatory telephone call on the completion of a bridge between Asia and America.
In what IEEE section(s) does it reside?
IEEE Organizational Unit(s) which have agreed to sponsor the Milestone:
IEEE Organizational Unit(s) paying for milestone plaque(s):
Unit: IEEE Tokyo
Senior Officer Name: Senior officer name masked to public
IEEE Organizational Unit(s) arranging the dedication ceremony:
Unit: IEEE Tokyo
Senior Officer Name: Senior officer name masked to public
IEEE section(s) monitoring the plaque(s):
IEEE Section: IEEE Tokyo
IEEE Section Chair name: Section chair name masked to public
Proposer name: Proposer's name masked to public
Proposer email: Proposer's email masked to public
Please note: your email address and contact information will be masked on the website for privacy reasons. Only IEEE History Center Staff will be able to view the email address.
Street address(es) and GPS coordinates of the intended milestone plaque site(s):
Yamanishi 35, Ninomiya-Machi, Kanagawa, JAPAN
Describe briefly the intended site(s) of the milestone plaque(s). The intended site(s) must have a direct connection with the achievement (e.g. where developed, invented, tested, demonstrated, installed, or operated, etc.). A museum where a device or example of the technology is displayed, or the university where the inventor studied, are not, in themselves, sufficient connection for a milestone plaque.
Please give the address(es) of the plaque site(s) (GPS coordinates if you have them). Also please give the details of the mounting, i.e. on the outside of the building, in the ground floor entrance hall, on a plinth on the grounds, etc. If visitors to the plaque site will need to go through security, or make an appointment, please give the contact information visitors will need.
The site is where the "TPC-1 Systems" was landed in Japan during its operation. Other telecommunication submarine cables were also landed at this site. Operation of this site was ceased in the year 2012. TPC-1 cable was already removed.
Are the original buildings extant?
The building "Ninomiya Cable Landign Station" is not in use now, but still exists as of today (December 2013), but will be removed in near future.
Details of the plaque mounting:
The plaque is to be mounted at a courner of the site (the open ground).
How is the site protected/secured, and in what ways is it accessible to the public?
The site is not used as Cable Landing Station, but is used for mobile system facilities. The site is surrounded by fances. The visitors can be access with prior appointment to KDDI (International Network Department, +81 3 6678 0800).
Who is the present owner of the site(s)?
A letter in English, or with English translation, from the site owner(s) giving permission to place IEEE milestone plaque on the property:
A letter or email from the appropriate Section Chair supporting the Milestone application:
What is the historical significance of the work (its technological, scientific, or social importance)?
"TPC-1 Systems" was the first submarine telephone cables connecting the North America and Asia with the length of longer than 10,000km in total by applying the state of the art technology, SD cable system, which was developed by the Bell Laboratory of AT&T. TPC-1 Systems started its operation on 19th June 1964 with the congratulatory speeches of the President Lyndon B Johnson of USA and the Prime Minister Hayato Ikeda of Japan as the important national project of USA and Japan. It has contributed to closer relationship and to the mutual development in culture and economy between USA and Japan. TPC-1 Systems also triggered the rapid development of the submarine telephone cable network in Eastern Asia, providing a big communication capacity between Eastern Asia and USA/Europe. TPC-1 Systems was composed of three segments; 1) TPC-1 connecting Japan with Hawaii via Guam, Midway and Wake, 2) HAW-1 and HAW-2 connecting Hawaii and main land USA and 3) Guam-Philippine Cable, the branch of TPC-1. TPC-1 Systems was cross connected at Hawaii with COMPAC, the British Commonwealth cable linking Canada, New Zeeland and Australia. TPC-1 Systems and COMPAC formed the Pan Pacific coaxial submarine cable network. TPC-1 Systems was jointly constructed by AT&T, HTC and KDD and started its operation in June, 1964. and were completed in December, 1964 by joining of Guam-Philippine Cable. Since then, TPC-1 Systems was in operation more than a quarter century and will have 50 years anniversary in 2014. The quality of telephone circuit of the longest multi links through TPC-1 Systems, land cables in North American Continent and submarine cables in Atlantic Ocean was proven to satisfy the CCITT recommendation as the first time. The technology developed in SD cable system covers the dynamics of the cable in the sea, the machinery on board a cable ship and methodology of cable lay and repair, which became de facto standard of the cable lay and repair methodology. The technology developed in TPC-1 Systems has become the foundation of the construction and maintenance for the current fiber optic submarine cable used for international telecommunication today.
What obstacles (technical, political, geographic) needed to be overcome?
The extremely high reliability was necessary for the repeater especially for the vacuum tube in it, which amplifies the transmission signal in tandem. The requirement of high reliability was achieved by means of the quality control developed by Bell Laboratory and has been proved in long operation of TPC-1 Systems. The quality control methodology used in SD systems was succeeded to current fiber optic submarine cable systems. TPC-1 was necessary to cross the Mariana trench and to be laid on complicated feature of the sea floor along the trenches. Scientists on ocean floor of USA and Japan jointly examined the hydrographic survey data obtained by Japanese Oceanography Service and determined the safe and stable cable route in the region. The knowledge established through coordination between the academic field and the business field has contributed to the planning of the following trans-ocean submarine cable projects.
What features set this work apart from similar achievements?
In order to satisfy the need for the stable telephone communication between Eastern Asia and USA/Europe in building a new world order after the second world war, USA and Japan agreed to construct TPC-1 Systems as the national project for both countries and AT&T, HTC and KDD signed the TPC-1 Construction and Maintenance Agreement in February 1962. After the completion of the construction, the telephone traffic through TPC-1 Systems grew more than 50 percent every year, which showed the big contribution of TPC-1 Systems to the social and economic activities between Asia and USA/Europe. The telecommunication development in quality and quantity introduced by TPC-1 Systems, together with the development in transportation, drastically enhanced the inter-continents activities in community exchange and import/export. This drastic growth showed the potential huge growth in telecommunication traffic between Eastern Asia and USA/Europe and accelerated the construction of the submarine cable networks in East Asia and South East Asia, which subsequently contributed in harmonizing Eastern Asia and USA/Europe. AT&T and KDD enhanced coordination in implementation of TPC-1 Systems. For example, the considerably large part of the SD cable and some telecommunication facilities, such as channel banks, echo suppressor, international telephone exchange switch for TPC-1 Systems were developed and manufactured in Japan under the co-supervision of AT&T and KDD.
References to establish the dates, location, and importance of the achievement: Minimum of five (5), but as many as needed to support the milestone, such as patents, contemporary newspaper articles, journal articles, or citations to pages in scholarly books. At least one of the references must be from a scholarly book or journal article.
To be arranged. (1) BSTJ (Bell Systems Technical Journal) (2) KDD Technical Journal (in Japanese)
Supporting materials (supported formats: GIF, JPEG, PNG, PDF, DOC): All supporting materials must be in English, or if not in English, accompanied by an English translation. You must supply the texts or excerpts themselves, not just the references. For documents that are copyright-encumbered, or which you do not have rights to post, email the documents themselves to email@example.com. Please see the Milestone Program Guidelines for more information.
To be arranged. (1) TPC-1 C&MA (2) HAW-2 Agreement