The day before Thanksgiving I was listening on 160 & lightning hit close to the antennas. Heard a sizzle in the shack and lost a few things. Guess Polyphasers in the coax and a good ground isn't enou
Gary, If youre sure the other multimeter functions are working, then check the switch contacts, R214(1K) and R211 (4.7 ohms). There isnt much else that could go wrong. The grid current is measured by
Yep. BONDING is critical. Inadequate bonding is a primary cause of damage from lightning. There's a fairly new ARRL book in the topic by Ward Silver, N0AX, to which I contributed. While you're waitin
Jim, Thanks for that, I'll check them out. I do have a long standing issue with the watt meter being damaged & have one of Island Amplifier's replacements to go in. I was going to wait for a snow day
Jim, Thanks for your link to check out. I thought I'd followed the instructions for proper bonding but as I have damage, I need to review it. Lost the USB on the K3s, had a spare module to insert and
1) Proper bonding! 2) Get power for all interconnected equipment from mains power outlets that either share the same green wire, or whose green wires are bonded together at the outlets. 3) NEVER use
I have seen USB transmission pairs isolated by fiberoptic cable (you pick the length). Proper bonding and interconnected single point grounding critical but not sure why Jim says not to use MOV's as
See below. Thanks 73 Jim W7RY On 12/1/2019 2:44 AM, Jim Brown wrote: On 11/30/2019 9:27 PM, Gary Smith wrote: Is there any device made to protect USB lines? Yes. Here: http://www.l-com.com/surge-prot
Another one here: https://www.newegg.com/p/1Z5-000D-000Y9?item=9SIAKACA0X0496&source=region&nm_mc=knc-googlemkp-pc&cm_mmc=knc-googlemkp-pc-_-pla-aztek+computers-_-data+converters-_-9SIAKACA0X0496&gcl