ce50701f_GLAH12_Data_Dictionary__description
[Label] d_TrshRngOff [Datatype (Dimensions)] DOUBLE (UNLIMITED) [long_name (standard_name)] Threshold Retracker Range Offset (NOT_SET) [units] meters [source] Rel 34 GLAS Binary Data [coordinates] DS_UTCTime_40 [description] 
Offset to be added to d_refRng to give the range in distance to the threshold retracker location of the received echo using standard parameters.
GLAH12 Data Dictionary