Seiko 7B27 - Radio Signal Reception Methods; Automatic and Manual Signal Reception; Understanding Signal Reception Conditions; Japan (JJY) Signal Reception Area



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
■ Radio signal reception range: China (BPC)


BPC is operated by NTSC.
Shangqiu National Time Service Center
Frequency: 68.5kHz
 
 


 




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 󱐰

WWVB is operated by NIST.
Fort Collins transmitting station
Frequency: 60 kHz
 

 


 



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 󱐰

■ Radio signal reception range: the U.S.A (WWVB)

