Please note you can use Google Earth to map new loft locations.
https://www.rpra.org/racing-handbook/distances-and-loft-locations/
Download the pdf instructions from the link above.
https://www.rpra.org/wp-content/uploads/2021/02/Google-Earth-Procedure.pdf
Please observe the video clip to see the process of using Google Earth to find loft locations.
Upload clip.