I haven’t found a great survey tool for iOS since my phone was jailbroken back in the day. Now adays I use Acrylic WiFi on windows, but they may have a Mac version.

There’s also airport utility on iOS, but it really can only give you basic RSSI per SSID, which in many cases is enough.

Not update if I don’t want to

About 1200w @120v

I have 200 of that at home, the other 1000 is in our data center at work, and I don’t pay for that power. It’ll be rough when I leave some day.