Sheila exported our currently-in-use inverse sensing filter, and checked it into the svn. It is at: /ligo/svncommon/CalSVN/aligocalibration/trunk/Runs/O3/H1/Measurements/Foton/2019-03-16_H1CALCS_InverseSensingFunction_Foton_SRCD-2N_Gain_tf.txt
We exported the D2N filter, but not the actual gain filter, which has a gain of the order 1e-7.
In the attached figure, I plot the February filter versus the new one. I have imported the .txt files to make these plots, so we're pretty sure that we've exported the correct filters.