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Words near each other
・ Br'oZ
・ BR-010
・ BR-020
・ BR-030
・ BR-040
・ BR-050
・ BR-060
・ BR-070
・ BR-080
・ BPAg1
・ BPATC
・ BPAY
・ BPB
・ BPB plc
・ BPC
BPC (time signal)
・ BPC College Piravom
・ BPC Generation Infrastructure Trust
・ BPC-Screenplay
・ BPCP
・ BPCS-Steganography
・ BPD
・ BPD (car)
・ BPDA
・ BPDFamily.com
・ BPE
・ BPEA
・ Bpeace
・ BPEL script
・ BPF


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BPC (time signal) : ウィキペディア英語版
BPC (time signal)
BPC is the callsign of a time signal broadcasting from the BPC Shangqiu Low-Frequency Time-Code Radio Station, cooperatively constructed by the National Time Service Center of the Chinese Academy of Sciences and Xi’an Gaohua Technology Co., Ltd.(), since April 25, 2002.
BPC transmits a time signal on 68.5 kHz, which can be used for synchronizing radio controlled clocks. As opposed to other time signal transmitters, the signal format is not published openly; a special license is required. The transmission site is situated near Shangqiu, Henan Province at .〔http://www.time.ac.cn/serve/e_c.htm〕
BPC broadcasts at 90 kW for 21 hours per day, with a 3 hour break from 05:00–08:00 (China Standard Time) daily〔 (21:00–24:00 UTC). BPC includes both conventional amplitude modulated time code and additional spread-spectrum time code, about which little is known.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「BPC (time signal)」の詳細全文を読む



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