First time? This has been known for years, check out https://wigle.net/ https://wigle.net/ Here's a Defcon talk on it as well: https://www.youtube.com/watch?v

First time? This has been known for years, check out https://wigle.net/ https://wigle.net/ Here's a Defcon talk on it as well: https://www.youtube.com/watch?v=fSsTgazmHCw https://www.youtube.com/watch?v=fSsTgazmHCw (You can go opt out, but if you didn't know it existed, you've been in there a while. It's why I like to turn off my radios when not using them.)