Dedication Ceremony
forIEEE Milestone
Yoasami Radio Transmitting Station

May 19th (Tue.), 2009, 11:00-11:30
Memorial Museum of Yosami Radio Transmitting Station

Program of the Ceremony
Dedication Ceremony at Memorial Museum of Yosami RTS

11:00 - 11:30

1. Opening address

IEEE Nagoya Section, Chair

Masayuki Nagao

2. Address

IEEE Japan Council History Comm., Chair Eiichi Ohno

3. Dedication of milestone IEEE History Committee,
plaqueDistinguished Representative

Jonathan Coopersmith

4. Receiving address

Yoshinori Takenaka

Kariya City, Mayor

5. Messages from younger Futaba Elementary School
generationsRepresentatives ofpupils

6. Closing & photo taking

Museum Tour

11:30 - 12:00

Luncheon

12:00 - 13:00

at Restaurant in Floral Garden Yosami hosted by Kariya City

Commemorative Lectures
１．Opening addresses

at Kariya Central Library

IEEE Nagoya Section, Chair
IEICE Tokai Section, Chair

２．Report Brief History of Yosami Radio Transmitting Station

14:00 - 16:30
Masayuki Nagao
Seiichi Nakagawa
Kotaro Tanaka

３．Lectures
Introduction of Grimeton and its Relationships with Yosami

Eiju Matsumoto

Culture Chronology of Grimeton and Yosami

Lars G Johansson

The Grimeton Radio Station from Technical andOperative Perspectives

Kjell Markstrom

IEEE Milestone: Yosami Radio Transmitting Station
IEEE (The Institute of Electrical and Electronics Engineers, Inc.) is the world’s largest
professional association for the advancement of technology. There are more than 365,000 IEEE
members in over 150 countries around the world. IEEE members are engineers, scientists andallied professionals whose technical interests are rooted in electrical and computer sciences,engineering and related disciplines. IEEE Milestones in Electrical Engineering and Computing is a
program of the IEEE History Committee administered through the IEEE History Center to honor
significant achievements in electrical, electronic, and computer engineering and the associatedsciences. Milestones recognize the technological innovation and excellence for the benefit ofhumanity found in unique products, services, seminal papers and patents. Each milestone
recognizes a significant achievement that occurred at least twenty-five years ago in an area oftechnology represented in IEEE and having regional impact.
The Yosami Radio Transmitting Station using Very Low Frequency (17.442kHz) wascompleted in March 1929 at Yosami village (Kariya city) near Nagoya. It was built for trade andgovernmental communications between Japan and European countries. Long wave and large
power were needed for long-distance wireless communications in those days. The hugemachine-sender, which was one of the biggest ones in the world at that time, was designed by
Telefunken and manufactured by AEG of Germany. The transmitting system composed of theinduction type HF generator, with output power of 500kW and frequency of 5.814kHz, and thefrequency tripler. Its first destination was Warsaw, Poland on April 15th, 1929, and next was Berlin,
Germany (Nauen Radio Station) on 22nd. Yokkaichi Receiving Station had already been opened in
March 1928, two-way communications through 80,000 - 10,000km distance with Europeancountries became possible by the opening of Yosami Radio Transmitting Station. The YOSAMI
came to be known as one of the largest wireless stations in the world.
For the unique feature of long wave that can penetrate deep into water, the Japanese Navybegan to use the long wave transmitter for communications with submarines from 1941. After theWorld War II, the US Navy took over the facilities for communications with their submarines in1950. Denki Kogyo was then established for operations and maintenance of the station. In August1993, the US Navy stopped the operations of the radio station. The antenna system with eight
250m-high towers was dismantled by 1997. A set of two sets of the transmitter is now kept at theMemorial Museum in the Floral Garden Yosami, opened by Kariya City in April 2007.

Access to Yosamifor Osaka

Nagoya& Kariya

JR Shinkansen(Super Express)

Nagoya2 minutes

Kanayama

for Tokyo

Japan Railway
Tokaido Line

Meitetsu Railway
Tokoname Line
20m

3

Central Japan (Chubu)
International Airport

tesnui0m

Kariyainute sfor Tokyo

7 minutesby taxi

Memorial Museum of Yosami Radio Transmitting Station