temporary isochron fix
temporary isochron fix

UManPychron/pychron,NMGRL/pychron,USGSDenverPychron/pychron,UManPychron/pychron,USGSDenverPychron/pychron,USGSDenverPychron/pychron,NMGRL/pychron,UManPychron/pychron,NMGRL/pychron,UManPychron/pychron,NMGRL/pychron,USGSDenverPychron/pychron