According to Japanese Ministry of Internal Affairs and Communication, “Temporal Trial Stop of AM commercial radio stations” will be done by 13 broadcasting companies from February 2024.
Duration yy/mm/dd-yy/mm/dd.
IBC Iwate Hoso, Morioka Tanobata 1062kHz 300W 2024/2/1-2025/1/31
Lucky FM Ibaraki Hoso, Mito Tsuchiura 1458kHz 1kW Sekijo 1458kHz 1kW 2024/2/1～2025/7/31
Niigata Hoso, Niigata Nagaoka 1062kHz 100W Kashiwazaki 1062kHz 100W 2024/2/5-2024/9/1
Hokuriku Hoso, Kanazawa Nanao 1107kHz 1kW Yamanaka 1485kHz 100W Wajima 1107kHz 100W 2024/4/1-2024/9/30
Fukui Hoso, Fukui Tsuruga 1557kHz 100W Obama 1557kHz 100W 2024/2/5-2024/8/4
Tokai Radio Hoso, Nagoya Gero 1485kHz 100W Ena 801kHz 100W Takayama 1485kHz 100W Kamioka 1458kHz 100W Ueno 1557kHz 100W Owase 1062kHz 100W Kumano 1485kHz 100W 2024/7/1-2025/1/31
Yamaguchi Hoso, Shuunan Susatamagawa 765kHz 300W Hagi 1485kHz 1kW Yamagucho 765kHz 300W Iwakuni 918kHz 1kW Shimonoseki 918kHz 1kW Shuunan 765kHz 5kW 2024/2/5-2025/1/31
Nankai Hoso, Matuyama Niihama 1116kHz 1kW Yawatahama 1116kHz 100W Uwajima 1116kHz 1kW 2024/2/1-2024/9/30 reducing power until 3/31
RKB Radio, Fukuoka Yukuhashi 1062kHz 100W 2024/2/1-2024/9/3
KBC Radio, Fukuoka Yukuhashi 1485kHz 100W 2024/2/5-2024/8/4
Nagasaki Hoso, Nagasaki Saga 1458kHz 1kW Karatsu 1458kHz 100W Arita 1458kHz 100W Imari 1116kHz 100W 2024/2/5-2025/1/31
Kumamoto Hoso, Kumamoto Arao 1197kHz 100W 2024/2/5-2025/1/31
Minami Nihon Hoso, Kagoshima Akune 1107kHz 1kW Sendai 1107kHz 1kW Ookuchi 1107kHz 300W 2024/2/1-2025/1/31
Most of them are low powered local relay stations, except Yamaguchi Hoso, which will stop all AM transmissions. There will be very little influence to world MW DXing.
Takahito Akabayashi, Tokyo, Japan to WOR iog (2023-11-14)