This is why I don't own a cell phone. They can't use their GPS locators to find me. Besides, I heard those things cook your brains.
You have an IP address since you're using the internet. It can be traced to your provider and your provider can trace it your modem. Companies monitor this all the time just for copyright abuse, the government certainly can do the same.
The only way you're truly safe is living in the woods with no electricity and no one knows you're there.