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I had a strike come in through the buried tv cable. Took out the cable modem, the router, the Ethernet-connected PC (in the shack), and the RS232 connection to the K3.
Currently, the shack pc connects wirelessly to the internet!
On May 8, 2020, at 9:06 AM, Bill Maddock via groups.io <n4zi96@...> wrote:
Most lightning damage I’ve seen comes from the antennas. A good ground and lightening arrestor system is important, but I still leave my antennas disconnected. I also use APC ups and plug strips with a high choke value
73 de Bill WW5M
On Friday, May 8, 2020, 7:43 AM, John Canfield <bucket@...> wrote:
It's very possible the USB failure on my K3 IO board was due to lightning, we do get some lightning here occasionally. All of the radio and PC equipment run off a large APC pure sine wave UPS - I was hoping that would isolate my stuff from the AC mains but maybe the UPS is normally in bypass mode until loss of input AC. I wonder if an isolation transformer would be of any benefit?