VB(mV)	J(MHz/h)	J error(MHz/h)
-770	4.557488863900671	2.5528330763171425
-780	7.728382487518797	3.0453816320363156
-800	68.77889920167853	15.54322980116936
-810	97.41502197191771	23.28599961364864
-815	246.730130287691	123.41773681614109
-820	186.4626834893329	58.476331761287554
-830	353.0416892846516	118.89077693376532