Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/rbsp/rbspb/l3/efw/2012/rbspb_efw-l3_20120918_v01.cdf. The most common cadence, 6350799000000 [ps] = PT6.350799S, occurred for 0.5858% of the 86 timesteps. 

Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/rbsp/rbspb/l3/efw/2019/rbspb_efw-l3_20190716_v04.cdf. The most common cadence, 10742538452000 [ps] = PT10.742538S, occurred for 16.5113% of the 1328 timesteps. 