Protecting your equipment goes beyond a direct strike. I had an element in
my K3 transmit final wiped out by a lightning strike a good distance away.
I wasn't on the air at the time but I remember the strike. This was
through a pair of Alpha-Delta switches.
Sometimes I miss "the good old days" o
Very good point.
I fhave a grounded entrance panel with appropriate suppressors for
power, rotor, and antenna feeds. Everything metal, including my
operating desk is connected to this panel and bonded together. I have
installed a wifi-to-ethernet bridge on my desk to establish an air gap
betw
On 7/28/2023 5:46 PM, Tom Doligalski via Elecraft wrote:
Turned out when the cable was brought into the house many years ago the
installer failed to adequately ground at the entry point
In the home I bought here in W6, power, CATV, and telco terminate at the
same point. That's a good thing
A very significant thing I remember that's new/significantly expanded in
the second edition is to address a shack on a higher floor or otherwise
non-ideally located. Other issues like that. A lot of little stuff, like
responding to questions Ward had heard when he did talks to clubs and at
conv
FYI..
https://www.repeater-builder.com/tech-info/bonding/amateur-radio-bonding.html
wa6vab Ray K3
On Fri, Jul 28, 2023 at 5:59 PM David Gilbert wrote:
>
> I suspect that is the rule rather than the exception. I have seen
> several satellite and cable TV installations where the installe
I suspect that is the rule rather than the exception. I have seen
several satellite and cable TV installations where the installer didn't
bother to ground back to the service entrance and instead simply drove a
short rod into the ground at a point closest to the cable gear.
Dave AB7E
O
Exactly what happened to me: the strike came in on the cable line, took out
the TV, the cable modem, the router, the computer hard-wired to the router
(via ethernet), then to my poor K3 via the RS232 line.
Turned out when the cable was brought into the house many years ago the
installer failed to
I have the first edition of the ARRL book. What is significant about the
second edition that is different from the earlier edition?
Russ, N3CO
Sent from Yahoo Mail on Android
On Fri, Jul 28, 2023 at 7:14 PM, Jim Brown wrote:
On 7/28/2023 1:31 PM, Al Lorona wrote:
> Please don't laugh at
No such thing as a dumb question about lightning. I spent 15 years in
South Florida. I've seen some lightning! Welcome to KY. I'm in
middle TN and do understand lightning.
The ARRL publication by Ward Silver, Grounding and Bonding for the
Amateur, is about the best compilation available
> On Jul 28, 2023, at 17:13, Jim Brown wrote:
>
> On 7/28/2023 1:31 PM, Al Lorona wrote:
>> Please don't laugh at me; I'm a transplant from a region of the country with
>> essentially no lightning to a region where you have to worry about it quite
>> a bit.
>
> The answer is, as KK9A said, t
I worked a Number of Years as a Broadcast Engineer.
The Broadcast Industry has Put this one to bed years ago.
No Need to re-invent the Wheel. Yes, it will Cost some Dollars
to do it Right, but it can save YOUR Equipment.
Ray WA6VAB K3
On Fri, Jul 28, 2023 at 3:51 PM Rick NK7I wrote:
> We'
On 7/28/2023 1:31 PM, Al Lorona wrote:
Please don't laugh at me; I'm a transplant from a region of the country with
essentially no lightning to a region where you have to worry about it quite a
bit.
The answer is, as KK9A said, to follow proper grounding and bonding to
the letter. N0AX's ARR
We're in accord on static. Like lightning, give it someplace to go
OUTSIDE, not via the shack/structure. Not just for noise but the
voltages can be astoundingly high with enough amperage to cause harm.
[A local puts his feeds in a glass jar then is amused at the glow of
discharge, contained.
I worked at Honeywell defense systems in the early 80's and I had two guys
(Ph.D's from MIT) working in the office next to me that were experts in
Meteorology... specifically the study of lightning. I would eat lunch with
them because they were "interesting" to say the least. When they found o
I run fiber from my ISP’s box to my router and then to the switches.
73,
Bill WE5P
Comfortably Numb
> On Jul 28, 2023, at 18:06, Keith Trinity WE6R wrote:
>
> Please, PLEASE disconnect your COMPUTER from your radio(s) if lightning is
> in the area!
>
> Almost ALWAYS lightning damaged gear t
Please, PLEASE disconnect your COMPUTER from your radio(s) if lightning
is in the area!
Almost ALWAYS lightning damaged gear that comes in for repair, was hit
_thru the comm port!_
(lightning hits Cable/DSL lines).
As far as repairs I see, it is not common for it to be damaged from
lightning
Lightning can’t tell whether something is grounded because the energy pulse
hasn’t gotten that far yet.
Lightning induces a current in every nearby conductor. When that pulse of
current reaches a building or electronics, we want to provide a low impedance
path to a safe sink (ground rods) and a
Not often (enough) does a ham have a 100'+ tower either. 😉
THE standard (of way so many to choose from) is from the cell phone
industry (Motorola mostly). It's insanely complex but if you're on a
mountain top and need 100% reliability; ideal. The costs, will be a
second mortgage so some com
Even the methods in that book are considered sub-standard by the broadcast
industry... The only think that is a sure bet is to completely disconnect your
radio and put it back in the shipping box.
Dr. William J. Schmidt - K9HZ J68HZ
email: b...@wjschmidt.com
-Original Message-
Fro
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Welcome to the Bibl
I would recommend that you follow proper lightning bonding/grounding
techniques, these are the only methods that work. My tower has taken a
number of lighting strikes. You cannot prevent a lightning strike. Simply
disconnecting your feedling will not prevent damage inside your house as the
voltage
Please don't laugh at me; I'm a transplant from a region of the country with
essentially no lightning to a region where you have to worry about it quite a
bit.
We had a doozy of a storm last night, with lots of lightning overhead. I felt
like a sitting duck, even though I had grounded both side
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