Hi Tony, look in the forum for information regarding the installation of the boltek Boltek Lightning Detector Mounting this is one of them, there are more issues in other posts, it’s just something that you have to fiddle with to get it working right. I had mine relocated 3 times. It can be installed inside or outside (the antenna) from there on it’s just a matter how good the reception is and how accurate. No limit in the distance between stations.
Peter