How long must a device riside in one location to be registered in the home-panel-summary?

How long must a device riside in one location to be registered in the home-panel-summary?

@Steve_Scott_City_of_New_York_Mayor_s_Office_of_Operations I can remember reading the average of the last 6 weeks. So if you spend the majority of the last 6 weeks in a CBG that will be your home.