I want to use satellite photography to take a photo from above with high resolution,I find that I can use google earth for this,but I don't know when do I need to be ready and set up my sign,
then I want to send this photo to my dearest one.How can I find the exact time and date of google earth updates to manage to take a photo from my sign?
The next global update is on 27th July, 14.00 GMT.
