is Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

's domestic shortwave

Shortwave

Shortwave radio refers to the upper MF and all of the HF portion of the radio spectrum, between 1,800–30,000 kHz. Shortwave radio received its name because the wavelengths in this band are shorter than 200 m which marked the original upper limit of the medium frequency band first used...

 commercial

Commercial broadcasting

Commercial broadcasting is the broadcasting of television programs and radio programming by privately owned corporate media, as opposed to state sponsorship...

 radio broadcasting station headquartered in 9-15 Akasaka

Akasaka, Tokyo

is a residential and commercial district of Minato, Tokyo, located west of the government center in Nagatachō and north of the Roppongi nightlife district....

 1-chōme, Minato, Tokyo

Minato, Tokyo

is one of the 23 special wards of Tokyo, Japan. As of 1 March 2008, it had an official population of 217,335 and a population density of 10,865 persons per km². The total area is 20.34 km².Minato hosts 49 embassies...

.

Features

• It is Japan's only domestic shortwave broadcasting station.
• It is Japan's only fee-free commercial shortwave broadcasting station.
• It is Japan's only terrestrial commercial station with more than one audio content channels to cover the same area.
• It is also Japan's only terrestrial commercial station that officially serves the whole territory of Japan.

Background

It is operated by , whose main shareholder

Shareholder

A shareholder or stockholder is an individual or institution that legally owns one or more shares of stock in a public or private corporation. Shareholders own the stock, but not the corporation itself ....

s are The financial daily newspaper and Tokyo Stock Exchange

Tokyo Stock Exchange

The , called or TSE for short, is located in Tokyo, Japan and is the third largest stock exchange in the world by aggregate market capitalization of its listed companies...

. Its headquarters are in Akasaka, Minato, Tokyo. It also has branch offices in Kōraibashi, Chūō-ku

Chuo-ku, Osaka

, Osaka is one of 24 wards of Osaka, Japan. It has an area of 8.88 km2, and a population of 60,085. It houses Osaka's financial district, as well as the Osaka Prefecture offices and principal shopping and tourist areas.-Diplomatic missions:...

, Osaka

Osaka

is a city in the Kansai region of Japan's main island of Honshu, a designated city under the Local Autonomy Law, the capital city of Osaka Prefecture and also the biggest part of Keihanshin area, which is represented by three major cities of Japan, Kyoto, Osaka and Kobe...

 and Sakae, Naka-ku

Naka-ku, Nagoya

is the heart of Nagoya, Aichi Prefecture, Japan. Largely hemmed in by Sakura-dōri , Ōtsu-dōri , Fushimi-dōri and Tsurumai-dōri , it contains the main shopping area of Sakae, a massive air-conditioned 5 square-kilometer underground mall) and the 'after-five' semi-red light districts of Nishiki and...

, Nagoya.

Its studios in Tokyo are in the headquarters, in Tokyo Stock Exchange and two other public-viewable satellite studios. In Osaka it also has studios in the branch office and a satellite studio.

NRBC provides contents not only on the shortwave but also on MobaHo!

MobaHo!

MobaHO! was a mobile satellite digital audio/video broadcasting service in Japan, whose services began on 20 October 2004 and ended on March 31, 2009 at 15:00. MobaHO! used digital broadcasting specification of ISDB...

 satellite radio, the internet and the mobile telephone.

Programming

The language is almost exclusively in Japanese

Japanese language

is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

 except an English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

 lesson program.

The station features the following four genres as the core of its programming: finance, JRA

Japan Racing Association

The Japan Racing Association is a public company established to operate Chūō Keiba and to manage racecourses, betting facilities, and horse-training facilities....

 horse racing (weekends), health-medical, and culture.

is for general programs and horse racing from eastern Japan. is for live company stock price announcement and horse racing from western Japan.

Although Radio Nikkei is a member of Nikkei media group, its programming does not have strong linkage with the group's television networks, TXN

TXN

- TV Tokyo Network stations :-External links:*...

 and Nikkei CNBC

Nikkei CNBC

Nikkei CNBC is a business and financial news television channel broadcast in Japan. It is owned primarily by CNBC Asia and Japanese media group Nihon Keizai Shimbun and TV Tokyo Holdings Corporation.- Current shows :...

.

Frequencies, beam, modulation and hours

From the transmitting stations in Nagara, Chiba

Nagara, Chiba

is a town located in Chōsei District, Chiba, Japan. As of Mar. 1, 2010, the town had an estimated population of 8,117 and a density of 172 persons per km². The total area is 47.20 km².- Geography :...

 and Nemuro, Hokkaidō

Nemuro, Hokkaido

-Transportation:Nearby Nakashibetsu Airport serves Nemuro.-Railways:*Hokkaido Railway Company – Nemuro Main Line**Stations in the city: Nemuro, Higashi-Nemuro, Hanasaki, Nishi-Wada, Kombumori, Ochiishi, Bettoga, Hattaushi, Attoko-Sightseeing:*Cape Nosappu...

, it transmits on the following frequencies

Frequency

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency.The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency...

, power and call sign

Call sign

In broadcasting and radio communications, a call sign is a unique designation for a transmitting station. In North America they are used as names for broadcasting stations...

s.

• • 3.925MHz / 50kW: JOZ, JOZ4
  • 6.055MHz / 50kW: JOZ2
  • 9.595MHz / 50kW: JOZ3

• • 3.945MHz / 10kW: JOZ5
  • 6.115MHz / 50kW: JOZ6
  • 9.760MHz / 50kW: JOZ7

The horizontal dipole antenna

Dipole antenna

A dipole antenna is a radio antenna that can be made of a simple wire, with a center-fed driven element. It consists of two metal conductors of rod or wire, oriented parallel and collinear with each other , with a small space between them. The radio frequency voltage is applied to the antenna at...

s radiate towards the northeast and the southwest direction, which would cover the Japanese archipelago

Japanese Archipelago

The , which forms the country of Japan, extends roughly from northeast to southwest along the northeastern coast of the Eurasia mainland, washing upon the northwestern shores of the Pacific Ocean...

.

As of June 2007, its shortwave transmissions are in an ordinary amplitude modulation

Amplitude modulation

Amplitude modulation is a technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. AM works by varying the strength of the transmitted signal in relation to the information being sent...

: double sideband full carrier (A3E).

The 1st Broadcast begins at 05:40 in Japan Standard Time

Japan Standard Time

Japan Standard Time or JST is the standard timezone of Japan, and is 9 hours ahead of UTC. For example, when it is midnight in UTC, it is 09:00 in Japan Standard Time. There is no daylight saving time, though its introduction has been debated several times. Japan Standard Time is the same as...

 (JST), 20:40 (the day before) in the UTC and ends at 22:30JST=13:30UTC (Mondays to Thursdays), 23:30JST=14:30UTC (Fridays), 23:15JST=14:15UTC (Saturdays) and 21:00JST=12:00UTC (Sundays).

The 2nd Broadcast begins at 08:00JST=23:00UTC and ends at 16:30JST=07:30UTC (Mondays to Fridays), 18:00=09:00UTC (Saturdays and Sundays).

The broadcasting schedule changes subject to program availability. See the schedule in Japanese http://www.radionikkei.jp/timetable/.

History

This is an excerpt from :ja:日経ラジオ社#沿革.

• 1 July 1954: , abbreviated NSB was established.
• 27 August 1954: Station officially opened.
• 2 September 1963: The 2nd Broadcast commences.
• 23 November 1978: Started doing business as
  Doing business as
  The phrase "doing business as" is a legal term used in the United States, meaning that the trade name, or fictitious business name, under which the business or operation is conducted and presented to the world is not the legal name of the legal person who actually own it and are responsible for it...
  
  
• April 2002: Ceased the scheduled 2nd Broadcast on weekdays, leaving scheduled weekend and unscheduled broadcast.
• 1 October 2003: Changed the company name to current .
• 1 April 2004: The assumed business name changed to .
• 3 April 2004: Recommenced the scheduled 2nd Broadcast on weekdays.