The height in the report is the top of the AeroPoint. That’s the point you use in the georeferencing process when you have the AeroPoint in the survey images.
If you’re processing images that contain a stencil mark or ground marker (i.e. the point the AeroPoint was placed over), you will need to subtract the thickness of the AeroPoint from the report height:
AeroPoint 1s are 32mm
AeroPoint 2s are 26mm
You can download the survey report in CSV format and use Excel to subtract 0.032m or 0.026m (0.105ft) from the elevation you use.
Note that if you use Propeller’s cloud processing, we’ll handle this for you.