Frank nailed it, All grounds should be Bonded for every service that
enters.
For further protection once that is fixed you can use a media convertor
after the modem, changing to fiber. This is an especially good option going
to the shack.
Ron, WV4P
On Thu, Jun 4, 2020, 11:00 AM <cq-contest-request@contesting.com> wrote:
> Send CQ-Contest mailing list submissions to
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> Today's Topics:
>
> 1. How to fix CATV ground problems during T-storms
> (dbmcalpine73@gmail.com)
> 2. Re: How to fix CATV ground problems during T-storms
> (donovanf@starpower.net)
> 3. Re: How to fix CATV ground problems during T-storms
> (Dennis Younker NE6I)
> 4. Re: How to fix CATV ground problems during T-storms (Jim Brown)
> 5. What's your Opinion on 2BSIQ ? (Kevin Stockton)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 3 Jun 2020 16:54:44 -0400
> From: <dbmcalpine73@gmail.com>
> To: <cq-contest@contesting.com>
> Subject: [CQ-Contest] How to fix CATV ground problems during T-storms
> Message-ID: <1aa801d639e9$363fc380$a2bf4a80$@gmail.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Last week, we had a T-storm with one lightning bolt hitting about 100 yards
> away. To my surprise, there seems to be very little damage from
> electricity
> surges coming through the AC mains. Instead, it seems to have traveled
> along using the CATV coaxial cable, perhaps on the cable shield. In our
> house, we lost two cable boxes (out of four installed and operational) ant
> the TVs associated with them. The TVs would actually turn on but there was
> no picture, indicating the damage was probably done to the TV's front end.
> The internet/CATV and phone service were out for several hours. I lost my
> ham PC, irrigation system controller, RS-232/USB adapter and I/O board for
> the K3 and a Winkeyer. No indication that anything came in through the AC
> mains. The same story was true for pretty much all of the 5-6 houses that
> were in the immediate area of the lightning strike, i.e. TVs and cable
> boxes
> were blown (but not all of them in a house) and a few other things but very
> little damage coming in through the AC mains.
>
>
>
> I think this indicates that the AC ground was pretty good for the houses in
> the area. On the other side, it would seem that the ground on the cable
> system leaves a lot to be desired. We can improve our AC ground, as many
> of
> us have done, but I don't think we can do much about the cable systems
> grounding. Anyone had experience with this situation and, if so, how did
> you get it fixed and protect yourself from future such events?
>
>
>
> Tnx, 73,
>
> Dennis, K2SX (temporarily QRT)
>
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 3 Jun 2020 20:11:29 -0400 (EDT)
> From: donovanf@starpower.net
> To: cq-contest@contesting.com
> Subject: Re: [CQ-Contest] How to fix CATV ground problems during
> T-storms
> Message-ID:
> <173582835.1251714.1591229489446.JavaMail.root@starpower.net>
> Content-Type: text/plain; charset=utf-8
>
> Hi Dennis,
>
>
> I'm sorry to hear about the damage from your nearby lightning strike
>
>
> Your experience highlights the critical importance of bonding together
> and grounding all conductors entering your home. If there's an
> instantaneous voltage difference among them during a nearby lightning
> strike,
> bad things WILL happen.
>
>
> 73
> Frank
> W3LPL
>
>
>
>
>
> ----- Original Message -----
>
> From: dbmcalpine73@gmail.com
> To: cq-contest@contesting.com
> Sent: Wednesday, June 3, 2020 8:54:44 PM
> Subject: [CQ-Contest] How to fix CATV ground problems during T-storms
>
> Last week, we had a T-storm with one lightning bolt hitting about 100
> yards
> away. To my surprise, there seems to be very little damage from
> electricity
> surges coming through the AC mains. Instead, it seems to have traveled
> along using the CATV coaxial cable, perhaps on the cable shield. In our
> house, we lost two cable boxes (out of four installed and operational) ant
> the TVs associated with them. The TVs would actually turn on but there was
> no picture, indicating the damage was probably done to the TV's front end.
> The internet/CATV and phone service were out for several hours. I lost my
> ham PC, irrigation system controller, RS-232/USB adapter and I/O board for
> the K3 and a Winkeyer. No indication that anything came in through the AC
> mains. The same story was true for pretty much all of the 5-6 houses that
> were in the immediate area of the lightning strike, i.e. TVs and cable
> boxes
> were blown (but not all of them in a house) and a few other things but
> very
> little damage coming in through the AC mains.
>
>
>
> I think this indicates that the AC ground was pretty good for the houses
> in
> the area. On the other side, it would seem that the ground on the cable
> system leaves a lot to be desired. We can improve our AC ground, as many
> of
> us have done, but I don't think we can do much about the cable systems
> grounding. Anyone had experience with this situation and, if so, how did
> you get it fixed and protect yourself from future such events?
>
>
>
> Tnx, 73,
>
> Dennis, K2SX (temporarily QRT)
>
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest@contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
>
>
>
> ------------------------------
>
> Message: 3
> Date: Wed, 3 Jun 2020 19:30:42 -0700
> From: "Dennis Younker NE6I" <NE6I@cox.net>
> To: <cq-contest@contesting.com>
> Subject: Re: [CQ-Contest] How to fix CATV ground problems during
> T-storms
> Message-ID: <003401d63a18$26382c50$72a884f0$@cox.net>
> Content-Type: text/plain; charset="us-ascii"
>
> Dennis, I would suggest inspecting the CATV ground system at your house.
> Make sure connections are solid and clean. Check where the CATV ground wire
> has been run. It should be bonded to its own ground rod or bonded to the
> electrical system ground. The attachment at the other end of the ground
> should be prior to any splitters, and typically near where the drop arrives
> at the home.
>
> If you see anything amiss, I suggest you call your cable operator.
>
> Of course, there could be an issue with grounding out at the pole (I
> presume
> your area is fed with overhead lines versus underground). You could of
> course check some of those poles yourself if inclined. It's possible a
> ground wire has corroded or been knocked loose.
>
> Lightning strike damage is hard to pinpoint as to cause.
>
> --Dennis NE6I
>
> -----Original Message-----
> From: CQ-Contest <cq-contest-bounces+ne6i=cox.net@contesting.com> On
> Behalf
> Of donovanf@starpower.net
> Sent: Wednesday, June 3, 2020 5:11 PM
> To: cq-contest@contesting.com
> Subject: Re: [CQ-Contest] How to fix CATV ground problems during T-storms
>
> Hi Dennis,
>
>
> I'm sorry to hear about the damage from your nearby lightning strike
>
>
> Your experience highlights the critical importance of bonding together
> and grounding all conductors entering your home. If there's an
> instantaneous voltage difference among them during a nearby lightning
> strike,
> bad things WILL happen.
>
>
> 73
> Frank
> W3LPL
>
>
>
>
>
> ----- Original Message -----
>
> From: dbmcalpine73@gmail.com
> To: cq-contest@contesting.com
> Sent: Wednesday, June 3, 2020 8:54:44 PM
> Subject: [CQ-Contest] How to fix CATV ground problems during T-storms
>
> Last week, we had a T-storm with one lightning bolt hitting about 100
> yards
> away. To my surprise, there seems to be very little damage from
> electricity
> surges coming through the AC mains. Instead, it seems to have traveled
> along using the CATV coaxial cable, perhaps on the cable shield. In our
> house, we lost two cable boxes (out of four installed and operational) ant
> the TVs associated with them. The TVs would actually turn on but there was
> no picture, indicating the damage was probably done to the TV's front end.
> The internet/CATV and phone service were out for several hours. I lost my
> ham PC, irrigation system controller, RS-232/USB adapter and I/O board for
> the K3 and a Winkeyer. No indication that anything came in through the AC
> mains. The same story was true for pretty much all of the 5-6 houses that
> were in the immediate area of the lightning strike, i.e. TVs and cable
> boxes
>
> were blown (but not all of them in a house) and a few other things but
> very
> little damage coming in through the AC mains.
>
>
>
> I think this indicates that the AC ground was pretty good for the houses
> in
> the area. On the other side, it would seem that the ground on the cable
> system leaves a lot to be desired. We can improve our AC ground, as many
> of
> us have done, but I don't think we can do much about the cable systems
> grounding. Anyone had experience with this situation and, if so, how did
> you get it fixed and protect yourself from future such events?
>
>
>
> Tnx, 73,
>
> Dennis, K2SX (temporarily QRT)
>
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest@contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
>
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest@contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
>
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 3 Jun 2020 21:09:46 -0700
> From: Jim Brown <k9yc@audiosystemsgroup.com>
> To: cq-contest@contesting.com
> Subject: Re: [CQ-Contest] How to fix CATV ground problems during
> T-storms
> Message-ID:
> <e1fe6d31-3774-88ab-32d2-e111702a32c0@audiosystemsgroup.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> On 6/3/2020 5:11 PM, donovanf@starpower.net wrote:
> > Your experience highlights the critical importance of bonding together
> > and grounding all conductors entering your home. If there's an
> > instantaneous voltage difference among them during a nearby lightning
> strike,
> > bad things WILL happen.
>
> Yep. Here are slides for a talk I've given at Pacificon and Visalia on
> the topic. http://k9yc.com/GroundingAndAudio.pdf
>
> 73, Jim K9YC
>
>
> ------------------------------
>
> Message: 5
> Date: Thu, 4 Jun 2020 08:12:01 -0500
> From: Kevin Stockton <aluminumtubing@gmail.com>
> To: cq-contest@contesting.com, ku8e@ku8e.com
> Subject: [CQ-Contest] What's your Opinion on 2BSIQ ?
> Message-ID:
> <CAAuzX2kY79et11_r6cSY7ObwD-pDe6ToC6mo-04-KRo=
> pNUfBA@mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Hi Jeff,
>
> 2BSIQ may currently be the only fair aspect of contesting. The development
> of that skill can occur anywhere so long as the individual has a
> computer, headphones, and the necessary desire to push hard towards
> achievement of a goal. It's not talent. It's only a skill. It's just
> practice. It's time consuming. It's hard. It's only a skill.
>
> Success with the development of 2BSIQ isn't determined by proximity to
> Europe, massive stacks, or operating from a 3 point location. For those
> that sufficiently develop the skill, it opens up a world of
> possibilities to access stations from around the world. It's the budding
> contesters golden ticket to some truly amazing experiences.
>
> However, you are completely right with your premise. Operators using 2BSIQ
> and SO2R have a massive advantage over one radio operators. The advent of
> 2BSIQ has shown the potential for amassing staggering scores. Using those
> operating strategies fit into the current single operator definition but
> like other rules in contesting they are archaic and do not address the
> current realities.
>
> There are other just as glaring rule problems with our sport that must be
> addressed. Perhaps at some point, the handful of people that control
> contesting will acknowledge our current state and make a genuine effort to
> address this and other problems.
>
> 73,
> Kevin, N5DX
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> CQ-Contest mailing list
> CQ-Contest@contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest
>
>
> ------------------------------
>
> End of CQ-Contest Digest, Vol 210, Issue 9
> ******************************************
>
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