BSF is a time signal transmitter based in Chung-Li Taiwan Rep. of China at 24° 57'N 121° 09'E. It has two frequencies in use: 5 and 15 MHz in use. The latter runs (unlike the first one) with an interruption between the minutes 35 and 40.
Technical Specifications: From minutes 5 to 10, 15 to 20, 25 to 30, 45 to 50, 55 to 60, second pulses of 5 ms duration without 1 kHz modulation. From minute 0 to 5, 10 to 15, ..., 50 to 55, second pulses of 5 ms duration with 1 kHz modulation. The 1 kHz modulation is interrupted 40 ms before and after the pulses. Minute pulses are extended to 300 ms duration. DUT1: ITU-R code by pulse lengthening.
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