This work presents a solution to seismometer synchronization with GPS
time stamping, in zones without signal, such as the seafloor. Due to the
needing of acquire with precision the time when seismological events occur,
in order to know magnitude and location of an earthquake.
Pallarés, Oriol; Cadena Muñoz, Francisco Javier; Toma, Daniel. COBS time synchronization for data adcquisition. "Instrumentation viewpoint", 2012, vol. Winter, núm. 13, p. 25-26.