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March 02, 2017

The current status of complementary (supplementary) FM as of March 2 2017

 As I posted, complementary (supplementary) FM services (including ‘Wide FM’) have been started one after another, among 48 commercial (private) MW stations in Japan.

I'd like to describe the latest situation in this time, as this is the only description in English, I think.

(the complementary / supplementary FM - explanations on this blog)




The following list is the 48 stations sorted by region. (except repeater or relay stations)


Hokkaido 2 stations


  Sapporo City, Hokkaido

Hokkaido hoso-HBC radio (JOHR) 91.5MHz (in-service), their traditional MW service is on 1287kHz (50kW)



Sapporo TV hoso-STV radio (JOWF) 90.4MHz (in-service) MW is 1440kHz (50kW)



Tohokunorth-east part of Japan, 6 stations


   Aomori City, Aomori Pref

Aomori hoso -RAB radio (JOGR) 91.7MHz , from Autumn 2017, MW is 1233kHz (5kW)

    Akita City, Akita Pref

Akita hoso-ABS radio (JOTR) 90.1MHz (in-service) MW is 936kHz (5kW)

  Morioka City, Iwate Pref

Iwate hoso-IBS radio (JODF) 90.6MHz (in-service) MW is 684kHz (5kW)

  Sendai City, Miyagi Pref

Tohoku hoso-TBC radio (JOIR) 93.5MHz, from Spring 2017, MW is 1260kHz (20kW)

   Yamagata City, Yamagata Pref.

Yamagata hoso-YBC radio (JOEF), under consideration, MW is 918kHz (5kW)

  Fukushima City, Fukushima Pref

rfc radio Fukushima (JOWR) 90.8MHz, from March 26, 2017, MW is 1098kHz (JOWO / 5kW)


Kantonear Tokyo with Yamanashi, 7 stations


Mito City, Ibaraki Pref.

Ibaraki hoso-IBS radio (JOYF) 94.6MHz (in-service) MW is 1197kHz (5kW)



Utsunomiya City, Tochigi Pref.

Tochigi hoso-CRT radio (JOXF), under consideration, MW is 1530kHz (5kW)

  Tokyo metropolitan area

TBS Radio (JOKR) 90.5MHz (in-service) MW is 954kHz (100kW)



Bunka hoso (JOQR) 91.6MHz (in-service) MW is 1134kHz (100kW)



Nippon hoso (JOLF) 93.0MHz (in-service) MW is 1242kHz (100kW)



Yokohama City, Kanagawa Pref.

RF Radio Nippon (JORF) under consideration, MW is 1422kHz (50kW)

 Kofu City, Yamanashi Pref.

Yamanashi hoso-YBS radio (JOJF), under consideration, MW is 765kHz (5kW)


Hokuriku and Shinetsua central part of Japan, 5 stations


  Niigata City, Niigata Pref.

Niigata hoso-BSN radio (JODR) 92.7MHz (in-service) MW is 1116kHz (5kW)

  Nagano City, Nagano Pref.

Shinetsu hoso-SBC radio (JOSR), under consideration, MW is 1098kHz (5kW)

  Toyama City, Toyama Pref.

Kitanihon hoso-KNB radio (JOLR) 90.2MHz (in-service) MW is 738kHz (5kW)



  Kanazawa City, Ishikawa Pref.

Hokuriku hoso-MRO radio (JOMR) 94.0MHz (in-service) MW is 1107kHz (5kW)

  Fukui City, Fukui Pref.

Fukui hoso-FBC radio (JOPR) 94.6MHz, from April 2017, MW is 864kHz (5kW)


Tokaia central part of Japan's Pacific Ocean side, 4 stations


  Shizuoka City, Shizuoka Pref.

Shizuoka hoso-SBS radio (JOVR) 93.9MHz (in-service) MW is 1404kHz (10kW)



  Nagoya City, Aichi Pref.

Chubu nihon hoso-CBC radio (JOAR) 93.7MHz (in-service) MW is 1053kHz (50kW)



Tokai radio (JOSF) 92.9MHz (in-service) MW is 1332kHz (50kW)



 Gifu City, Gifu Pref

Gifu Chan-GBS (JOZF), under consideration, MW is 1431kHz (5kW)


Kinki Kansai area (near Osaka), 6 stations


  Kyoto City, Kyoto Pref.

Kyoto hoso-KBS Kyoto radio (JOBR), under consideration, MW is 1143kHz(20kW)

  Osaka City, Osaka Pref.

Mainichi hoso-MBS radio (JOOR) 90.6MHz (in-service) MW is 1179kHz (50kW)



Asahi hoso-ABC radio (JONR) 93.3MHz (in-service) MW is 1008kHz (50kW)



Radio Osaka-OBC radio (JOUF) 91.9MHz (in-service) MW is 1314kHz (50kW)



  Kobe City, Hyogo Pref.

Radio Kansai-CRK (JOCR), under consideration, MW is 558kHz (20kW)

  Wakayama City, Wakayama Pref.

Wakayama hoso- WBS (JOVF) 94.2MHz (in-service) MW is 1431kHz (5kW)


Chugoku】 4 stations


   Okayama City, Okayama Pref.

Sanyo hoso-RSK radio (JOYR), under consideration, MW is 1494kHz (10kW)

  Hiroshima City, Hiroshima Pref.

Chugoku hoso-RCC radio (JOER) 94.6MHz (in-service) MW is 1350kHz (20kW)

  Syunan City, Yamaguchi Pref.

Yamaguchi hoso-KRY radio (JOPF) 92.3MHz (in-service) MW is 765kHz (5kW)



   Yonago City, Tottori Pref.

Sanin hoso-BSS radio (JOHF) 92.2MHz (in-service), MW is 900kHz (5kW)


Shikoku 4 stations


  Takamatsu City, Kagawa Pref.

Nishi nihon hoso-RNC radio (JOKF), under consideration, MW is 1449kHz (5kW)

 Tokushima City, Tokushima Pref.

Shikoku hoso-JRT radio (JOJR), under consideration, MW is 1269kHz (5kW)

  Matsuyama City, Ehime Pref.

Nankai hoso-RNB radio (JOAF) 91.7MHz (in-service) MW is 1116kHz (5kW)

 Kochi City, Kochi Pref.

Kochi hoso-RKC radio (JOZR) under consideration, MW is 900kHz (5kW)


Kyushu 8 stations


  Fukuoka City, Fukuoka Pref.

RKB mainichi hoso-RKB radio (JOFR) 91.0MHz (in-service) MW is 1278kHz (50kW)



Kyushu asahi hoso-KBC radio (JOIF) 90.2MHz (in-service) MW is 1413kHz (50kW)



  Nagasaki City, Nagasaki Pref.

Nagasaki hoso- NBC radio (JOUR) 92.6MHz (in-service) MW is 1233kHz (5kW)

  Saga City, Saga Pref.

NBC radio Saga (JOUO) 93.5MHz, from Feb. 2017, MW is 1458kHz (1kW)

  Kumamoto City, Kumamoto Pref.

Kumamoto hoso-RKK radio (JOBF) 91.4MHz (in-service) MW is 1197kHz (10kW)

  Oita City, Oita Pref.

Oita hoso-OBS radio (JOGF) 93.3MHz (in-service) MW is 1098kHz (5kW)

  Miyazaki City, Miyazaki Pref.

Miyazaki hoso-MRT Radio (JONF) 90.4MHz (in-service) MW is 936kHz (5kW)



  Kagoshima City, Kagoshima Pref.

Minami nihon hoso-MBC radio (JOCF) 92.8MHz (in-service) MW is 1107kHz(20kW)



Okinawabetween Kyushu and Taiwan, 2 stations


  Naha City, Okinawa Pref.

Radio Okinawa ROK (JOXR), under consideration, MW is 864kHz (10kW)

Ryukyu hoso-RBCi radio (JORR), under consideration, MW is 738kHz (10kW)


the front panel of an ICF-EX5mk2 (by SONY)

you can see the analog channel tuning system, indicates Japanese MW stations sorted by region.


They're (from top to bottom), Hokkaido, Tohoku, Hokuriku and Shinetsu, Kanto, Tokai, Kinki, Chugoku, Shikoku, Kyushu and Okinawa.



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