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== Interesting Observation of the RRI Time Signal ==
 
Ah, it turned out that I was a bit off (euphimism, indeed, I was waaay off). The RRI (Radio Republik Indonesia) time signal is pretty close to that of NIST (United States National Institute of Standard and Technology) as compared by using NIST computer time service. The next challenge is to determine at the [[detik|second]] level, how much RRI is varied from other sources. One thing I noticed is that the 5 MHz frequency is jammed by several stations trying to broadcast time signal all at the same time. These include a Japanese station, Chinese station (BPM), and the [[National institute of science and technology|NIST]] ([[WWVH]]). So, good luck in trying to locate one of them.
 
Aside from the RRI (with data fed by the BMG, see below), LIPI is another institution running an atomic clock. Their data is submitted to [[Bureau international poids et mesures|BIPM]].