Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms3/edi/srvy/l2/efield/2015/09/mms3_edi_srvy_l2_efield_20150901_v1.6.2.cdf. The most common cadence, 3396187904 [ns] = PT3.396188S, occurred for 0.0414% of the 1 timesteps. 

Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms3/edi/srvy/l2/efield/2020/05/mms3_edi_srvy_l2_efield_20200502_v1.6.0.cdf. The most common cadence, 39464872960 [ns] = PT39.464873S, occurred for 3.7037% of the 1 timesteps. 