Re: [Elecraft] [OT] A dumb question about lightning

2023-07-29 Thread David Woolley
> Lightning can’t tell whether something is grounded > because the energy pulse hasn’t gotten that far yet. [Full bottom quote follows reply.] The path for lightning is determined before the main pulse of energy loss happens, and much of the communication involved in determining the path happe

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-29 Thread Bill Gillenwater
apps/details?id=com.jrustonapps.mylightningtracker73,Gary K9GS Original message From: Drew AF2Z Date: 7/29/23 10:48 AM (GMT-06:00) To: elecraft@mailman.qth.net Subject: Re: [Elecraft] [OT] A dumb question about lightning I keep a close watch on the weather during lightning seaso

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-29 Thread Gary K9GS
craft] [OT] A dumb question about lightning I keep a close watch on the weather during lightning season here. Also, I often have the AM broadcast band on and, depending on the distance and power output of various stations, can hear the lightning strikes as they build into the region.In the sh

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-29 Thread Drew AF2Z
I keep a close watch on the weather during lightning season here. Also, I often have the AM broadcast band on and, depending on the distance and power output of various stations, can hear the lightning strikes as they build into the region. In the shack I watch the realtime lightning map at li

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-29 Thread David Decoons
Just take note the link to the R56 manual is for a manual from 2005. Most of the principals have not changed but there have been changes to it over the last 18 years. (“Lessons learned” applied). 73 Dave wo2x (ex Motorolan) Sent from my iPad > On Jul 29, 2023, at 10:32 AM, Alan Bloom wrote: >

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-29 Thread Alan Bloom
Hi Al, The "Bible" on this subject that has been used for many years by the telecommunications industry is Motorola's "R56, Standards and Guidelines for Communications Sites": https://www.blm.gov/sites/blm.gov/files/Lands_ROW_Motorola_R56_2005_manual.pdf It's kind of complicated, but it's wh

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Ken WA8JXM
arn this with experience. > > > > > > > > > Dr. William J. Schmidt - K9HZ J68HZ > > > > > > > > > -Original Message- > > > From: elecraft-boun...@mailman.qth.net < > elecraft-boun...@mailman.qth.net> > > On Behalf Of Rick NK

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Victor Rosenthal 4X6GP
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Jim Brown
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Jim Brown
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Ray Maxfield
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread David Gilbert
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Tom Doligalski via Elecraft
t; To: Elecraft@mailman.qth.net > Subject: Re: [Elecraft] [OT] A dumb question about lightning > > 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 c

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Russ Tobolic via Elecraft
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Charles Hill
> 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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Ray Maxfield
iam J. Schmidt - K9HZ J68HZ > > > > > > -Original Message- > > From: elecraft-boun...@mailman.qth.net > On Behalf Of Rick NK7I > > Sent: Friday, July 28, 2023 4:42 PM > > To: elecraft@mailman.qth.net > > Subject: Re: [Elecraft] [OT] A dumb

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Jim Brown
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Rick NK7I
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Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Dr. William J. Schmidt
From: elecraft-boun...@mailman.qth.net On Behalf Of Rick NK7I Sent: Friday, July 28, 2023 4:42 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] [OT] A dumb question about lightning Not often (enough) does a ham have a 100'+ tower either. 😉 THE standard (of way so many to choose fro

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Bill Weaver
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Keith Trinity WE6R
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Walter Underwood
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

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Rick NK7I
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Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Dr. William J. Schmidt
- From: elecraft-boun...@mailman.qth.net Sent: Friday, July 28, 2023 4:14 PM To: j...@kk9a.com Cc: Elecraft@mailman.qth.net Subject: Re: [Elecraft] [OT] A dumb question about lightning https://www.googleadservices.com/pagead/aclk?sa=L&ai=DChcSEwiOk5PAqLKAAxUjEa0GHYmDBJgYABACGgJwdg&ae

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Rick NK7I
https://www.googleadservices.com/pagead/aclk?sa=L&ai=DChcSEwiOk5PAqLKAAxUjEa0GHYmDBJgYABACGgJwdg&ae=2&ohost=www.google.com&cid=CAASJORo_AZEAzrEwZh7d0CRaunieFV8dsSC3IDZqsPWbucgX_uNKQ&sig=AOD64_1qxgTjvgwY4_QbQuPW5KxSnoObmA&q&adurl&ved=2ahUKEwiEsI3AqLKAAxViAjQIHe9mC-UQ0Qx6BAgOEAE Welcome to the Bibl

Re: [Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread john
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

[Elecraft] [OT] A dumb question about lightning

2023-07-28 Thread Al Lorona
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