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(From Wikipedia, the free Encyclopedia)
It broadcasts at 2.5, 5, 10, and 15 MHz.
BPM is idiosyncratic in that it transmits UT1 time between seconds 25 through to 29 and 55 through to 59, which creates an odd click-beep effect when heard below a stronger time signal station such as WWV.
Source: the above text is adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "BPM (time service)."
Copyright © Philip M. Parker, INSEAD. Terms of Use.