Build your own, or purchase lightning detector??

Here’s the big three links on building your own…

http://discourse.weather-watch.com/t/9671
http://discourse.weather-watch.com/t/9263
http://discourse.weather-watch.com/t/9563

And my page on things…

http://www.carterlake.org/lightningdetector.php

Do a search on “boltek” if you’re looking at the ready-to-go kind. www.boltek.com