interfacing arduino with Sim800a and gps ublox neo 6M

Hi im in to a new project using gps and gsm and i need some help with coding …the working of my project is that im getting the incoming coordinates of the gps when device is switched on and saving the coordinates.and i continously keep on checking for the deviation in my coordinates,if there is a deviation of 10meters from the locked coordinates and the incoming coordinates,there should be a message sent to my mobile number,im trouble trouble sending the message…im doing this as my college project so please help me…

project1.ino (1.39 KB)

Don’t post code as attachment, can’t read on smartphone. Post it correctly in line with code tags
Also explain how things are wired, powered and lets us know which exact modules you have