Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/rbsp/rbspa/l3/efw/2012/rbspa_efw-l3_20120918_v01.cdf. The most common cadence, 6299249000000 [ps] = PT6.299249S, occurred for 0.7640% of the 131 timesteps. 

Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/rbsp/rbspa/l3/efw/2019/rbspa_efw-l3_20190223_v04.cdf. The most common cadence, 10746269226000 [ps] = PT10.746269S, occurred for 30.3942% of the 2444 timesteps. 