[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread steve shumaker via cctalk
Thanks! Steve On 4/2/24 9:37 AM, Paul Koning wrote: On Apr 2, 2024, at 11:54 AM, steve shumaker via cctalk wrote: Company (Polyphaser) web page doesn't seem to list that handbook as an available lit product. Can you suggest a source? Steve On 4/2/24 8:13 AM, Paul Koning via cctalk

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Paul Koning via cctalk
> On Apr 2, 2024, at 3:17 PM, Bill Gunshannon via cctalk > wrote: > > > > On 4/2/2024 11:01 AM, Jon Elson via cctalk wrote: >> On 4/2/24 00:03, Just Kant via cctalk wrote: >>> Accordimg to certain individuals on this list, going back a few years, >>> electronics/computers can be damaged

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Bill Gunshannon via cctalk
On 4/2/2024 1:47 PM, Paul Koning via cctalk wrote: Absolutely, by all means go right ahead. As you pointed out, the NEC absolutely requires bonding all ground rods. And Roger Block spells out in quite some detail why this is important in his books. Come to think of it, apart from bonding

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Nigel Johnson Ham via cctalk
On 2024-04-02 11:01, Jon Elson via cctalk wrote: On 4/2/24 00:03, Just Kant via cctalk wrote: Accordimg to certain individuals on this list, going back a few years, electronics/computers can be damaged due to an electrical storm, presumably very intense activity, even while off. Go look

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Nigel Johnson Ham via cctalk
On 2024-04-02 11:01, Jon Elson via cctalk wrote: On 4/2/24 00:03, Just Kant via cctalk wrote: Accordimg to certain individuals on this list, going back a few years, electronics/computers can be damaged due to an electrical storm, presumably very intense activity, even while off. Go look

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Bill Gunshannon via cctalk
On 4/2/2024 11:01 AM, Jon Elson via cctalk wrote: On 4/2/24 00:03, Just Kant via cctalk wrote: Accordimg to certain individuals on this list, going back a few years, electronics/computers can be damaged due to an electrical storm, presumably very intense activity, even while off. Go look

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Paul Koning via cctalk
Absolutely, by all means go right ahead. As you pointed out, the NEC absolutely requires bonding all ground rods. And Roger Block spells out in quite some detail why this is important in his books. Come to think of it, apart from bonding electrical system grounds, I think there's also a

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Jay Jaeger via cctalk
Paul, would you mind if I shared this on the Facebook EndFed Halfwave Antenna group?  Time and time again I see folks talk about putting in ground rods in for antennas and NOT bonding them to the electrical service ground rod.    In most (if not all) locations in the US, this kind of bonding

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Paul Koning via cctalk
> On Apr 2, 2024, at 11:54 AM, steve shumaker via cctalk > wrote: > > Company (Polyphaser) web page doesn't seem to list that handbook as an > available lit product. Can you suggest a source? > > Steve > > > On 4/2/24 8:13 AM, Paul Koning via cctalk wrote: >> >> ... >> A great

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread steve shumaker via cctalk
Company (Polyphaser) web page doesn't seem to list that handbook as an available lit product.  Can you suggest a source? Steve On 4/2/24 8:13 AM, Paul Koning via cctalk wrote: On Apr 2, 2024, at 11:01 AM, Jon Elson via cctalk wrote: On 4/2/24 00:03, Just Kant via cctalk wrote: Accordimg

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Paul Koning via cctalk
> On Apr 2, 2024, at 11:01 AM, Jon Elson via cctalk > wrote: > > On 4/2/24 00:03, Just Kant via cctalk wrote: >> Accordimg to certain individuals on this list, going back a few years, >> electronics/computers can be damaged due to an electrical storm, presumably >> very intense activity,

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Jon Elson via cctalk
On 4/2/24 00:03, Just Kant via cctalk wrote: Accordimg to certain individuals on this list, going back a few years, electronics/computers can be damaged due to an electrical storm, presumably very intense activity, even while off. Go look through the archives. I have had two incidents where

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Jon Elson via cctalk
On 4/1/24 20:46, Christian Kennedy via cctalk wrote: On 4/1/24 17:42, CAREY SCHUG via cctalk wrote: Will things like PDAs and tablets, powered off and stored inside steel ammo boxes survive? Yes, as will most contemporary electronics, even without elaborate protection. Right, I think

[cctalk] Re: EMP was: oscilloscopes

2024-04-02 Thread Doug Jackson via cctalk
ASCII Graphic of an EMP: Much EMF _ | | | | --- - zero EMF t=0 t= very short time What frequencies would you like Fourier would