One note: Keith mis-spoke when he stated "Spare K3 board supplies are low
or gone". We certainly are not stopping support and repairs for the K3 and
K3S. (Of course there are some lightning damaged radios that are not
economical to repair.) Though some repairs may take longer as replacement
parts
On 8/15/2020 8:51 AM, Jim Brown wrote:
Also, this talk, first at Pacificon, next at Visalia DX, and to saveral
ham clubs, all of which preceded Ward's book.
forgot the link.
http://k9yc.com/GroundingAndAudio.pdf
73, Jim K9YC
__
Elecra
Ward Silver also gave a presentation on this at the QSOtoday virtual hamfest.
Still available for watching.
David K0LUM
> On Aug 15, 2020, at 10:51 AM, Jim Brown wrote:
>
> On 8/15/2020 5:48 AM, John Simmons wrote:
>> Grounding and Bonding, ARRL book by Ward Silver
>
> Yes. I collaborated wi
On 8/15/2020 5:48 AM, John Simmons wrote:
Grounding and Bonding, ARRL book by Ward Silver
Yes. I collaborated with Ward on it. Also, this talk, first at
Pacificon, next at Visalia DX, and to saveral ham clubs, all of which
preceded Ward's book.
73, Jim K9YC
_
Grounding and Bonding, ARRL book by Ward Silver
--
73,
-John NI0K
https://www.qrz.com/db/NI0K
j...@kk9a.com wrote on 8/14/2020 10:02 PM:
Disconnecting is not a reliable way to protect your home and station from a
lightning strike. A strike can induce high voltage into your home wiring
without
Disconnecting is not a reliable way to protect your home and station from a
lightning strike. A strike can induce high voltage into your home wiring
without the antenna being connected and cause a lot of damage. There are
many papers on lightning protection, proper single point grounding is a good
I signed up for the ARRL-sponsored equipment insurance, which covers
lightning.
I also have PARADAN grounding boxes to bleed off "charge". In 3 trees
around the house, I have "lightning rods" (air terminals, now) at the
70' level, with the antenna 50' off the ground.
K2BIO
On 8/14/2020 2:52
I took a hit a year ago in September.
To make a long story short my ham desk now has 3 connections:
- A single Coax
- 120v
- 220v
All antenna switching and rotor control is via Green Heron Everywhere
wireless interfaces. My rotor boxes and switches can still take a hit
but the equipment on
I don't know if this really helps or not, but I connect my computer to the
internet through a WiFi. I have DSL which feeds a WiFi Router. That DSL
modem and the router are the only things connected to the phone line.
When lightning threatens I disconnect all power, ground, coax, rotator
control
Hi all;
I am starting to see our yearly peak of Lightning damaged radios come in
for repair, August through October.
It is MOST likely to come in through the COMM PORT connected to your
COMPUTER (via DSL or Cable Modem).
Those lines are LONG and run for miles, so a direct hit is not necessary
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