Thrice - Atlanticintro Chords & Tabs

I dont know the tuning..i just wrote this cause some other guy wrote it but it didn't 
right
[ Tab from: https://www.guitartabs.cc/tabs/t/thrice/atlanticintro_tab.html ]
E---------------------------------------------------------|
B---------------13----------------------------------------|
G------9--10---------10---9--------10-------10------10----|
D---7---------------------------7-------7-------7---------|
A---------------------------------------------------------|
E---------------------------------------------------------|