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KOSMO

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Does anyone here use inline coaxial devices like "Surge Ender" brand poly phasor etc? Do they work? Is the L-band insertion loss acceptable in most cases?
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Blue Ridge, SC  - 90cm Offset with H-H Motor & Invacom (Ku) Linear/Circ 4 output LNBF, 10' UniMesh-Dual Norsat 8115 on Rick's Harvard ortho feed,  TBS5927 USB 2.0 Tuner. 9000i Local, AZ box etc
KOSMO

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Reply with quote  #2 
anyone?
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Blue Ridge, SC  - 90cm Offset with H-H Motor & Invacom (Ku) Linear/Circ 4 output LNBF, 10' UniMesh-Dual Norsat 8115 on Rick's Harvard ortho feed,  TBS5927 USB 2.0 Tuner. 9000i Local, AZ box etc
1deerehunter

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Reply with quote  #3 
I was interested in a reply from someone who had tried a similar product....I lost a c and ku lnb lately to lightning.....
KOSMO

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Is your coax grounded? I think I need to start installing some ground rods and use what they call one way ( coaxial barrel thru connectors with a ground tab)

Where do most people ground? On the entrance to the home. Or at the dishes switches or both?

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Blue Ridge, SC  - 90cm Offset with H-H Motor & Invacom (Ku) Linear/Circ 4 output LNBF, 10' UniMesh-Dual Norsat 8115 on Rick's Harvard ortho feed,  TBS5927 USB 2.0 Tuner. 9000i Local, AZ box etc
KOSMO

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I am still interested in knowing how people on this forum GROUND the coaxial coming into their home. Do they do it at the dishes and/or the entrance. The NEC has a section on how antennas should be grounded.
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Blue Ridge, SC  - 90cm Offset with H-H Motor & Invacom (Ku) Linear/Circ 4 output LNBF, 10' UniMesh-Dual Norsat 8115 on Rick's Harvard ortho feed,  TBS5927 USB 2.0 Tuner. 9000i Local, AZ box etc
GeeZer

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Well...my receiver or computer's AC input consists of at minimum a neutral, which is "hopefully" essentially at ground potential.  Some houses may be "floating", but with electrical inspections and such, lets assume not.  Most receivers don't use an isolated (green) ground wire.

Therefore, if the coaxial male is screwed to the female, which is connected to the board as is the neutral of the  receiver's AC IN, it's grounded.  (The toe bone is connected to the foot bone, the foot bone is connected to the ankle bone..etc..)you get the picture..lol.

You can check it with an ohmmeter by grounding the female plug of the coax to something metal on the dish using an alligator clip or similar, and inside the house and clipping the other plug end housing to a meter's positive side and inserting the other black wire of the meter into the house receptacle ground.  That's hoping it's wired right..lol  just kidding...flip the meter to ohms and low or auto resistance and the resistance should be zero.

Hope this helps..not scientific, but it will work...and meters these days are pretty "idiot proof" these days.

RickCaylor

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Reply with quote  #7 
I put a grounding rod next to the dish and run a grounding wire from a bolt on the back side of the dish to it.  Then the incoming coax cables also go through a Grounding Block, before coming inside and the ground wire goes from the grounding block to the dual grounding rods at my power meter.
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plasmaball

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Reply with quote  #8 
you may find good advice looking at what ham radio guys are doing for grounding they take it more seriously than the average dish install
GeeZer

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Reply with quote  #9 
Well my 4 inch  diameter steel dish pole is 3 feet in the ground in concrete, so it's pretty well grounded.  Forgot that some people might have one on the roof.
KOSMO

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Reply with quote  #10 
Yes I am an amateur radio operator. I have discussed this with my friends in the hobby and the answers vary. Most DO at least ground the antenna. I have a friend that is doing 6meter band EME. (Moon) and his tower has 4-8ft rods in a box 8ft apart. This particular guy does NOT do anything at the cable entrance

I also do not think that simply having the polar mount in concrete counts as a ground. Just my opinion.

My electrician came by and they installed an additional ground rod and corrected the ground wiring at the meter base. apparently it is also code to ground the copper gas line coming in. And two rods is standard now. They left a nice multi terminal copper ground bar for Charter Spectrum cable to ground their cable properly to. It used to be on the meter box. Their modem/router combo replacement is real fast when it works but the router is picky. Wouldn’t recommend Charter to anyone today
Maybe tomorrow. We will see

I will do some more in the back yard like grounding near the C and the Ku / 8port switch. Using 2 rods.

They had a nice huge hammer drill that they drove the other rod in with. Wish I had that!

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Blue Ridge, SC  - 90cm Offset with H-H Motor & Invacom (Ku) Linear/Circ 4 output LNBF, 10' UniMesh-Dual Norsat 8115 on Rick's Harvard ortho feed,  TBS5927 USB 2.0 Tuner. 9000i Local, AZ box etc
GeeZer

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Reply with quote  #11 
Are you having some kind of ground loop problem?  I mean you were talking about your coaxial cable, not grounding your system for lightning.  Are you getting noise in your video/audio?  I've had many problems over the years, but grounding has never been an issue.
KOSMO

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Yes. Had a nearby lightning strike Friday. Some of the loss could have been prevented if I had better grounding. The (Induced?) lightning came in on the coax (since all the AC was unplugged and with a blinding light and a VERY VERY loud POP inside the room!  Had more damage last Friday.

Had an electrician out again today he drove an extra rod and rewired them together and left a bus bar for the Spectrum guy and my other coaxials on that side of the house. He had just installed a whole house surge-ender a few weeks ago. It works well. I used to be able to see little glitches on my kitchen LED pendants which are very sensitive to that stuff. This was when storms were in the area but not even close -Not anymore...the little sags and spikes get soaked up by that MOV on my meter base. That device is only $100.00

Got some more work to do. But basically gonna be driving ground rods out back at the dishes. I was lucky didn't lose my C band LNB's or Ku LNB or 8way switch out there. Everything in the back yard survived. I really think the bulk of the surge came in on the cable company shield. All of their stuff was among the damaged. It always is.

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Blue Ridge, SC  - 90cm Offset with H-H Motor & Invacom (Ku) Linear/Circ 4 output LNBF, 10' UniMesh-Dual Norsat 8115 on Rick's Harvard ortho feed,  TBS5927 USB 2.0 Tuner. 9000i Local, AZ box etc
bluzee

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Reply with quote  #13 
If you have your stuff plugged into these devices then they are suppose to insure anything that dies.  I've never had a claim so I have no idea if their insurance is worth the paper it's written on or not.  Grounding is for stray voltage protection only.  If you have a lightning strike expect damage.
majortom

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Reply with quote  #14 
Do they recommend any surge protection be installed on the mains side inside your AC panel down south where severe thunderstorms are more prevalent, thus protecting the Load side of the panel? 

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KOSMO

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Reply with quote  #15 
i don’t know what “devices” you’re talking about I don’t count on an APC alone to protect my AC OR Coaxial or even Ethernet cables some I know have connections for that. I DO need to correct your statement to “IF you have a DIRECT HIT”. expect damage. I should be able to survive nearby storms induced currents in the shield without losing HDMI ports one by one sometimes almost daily. I would say to you if you’re not grounded proper outside then don’t count on your APC to save you. My initial question in this thread was to find out if anyone is using SurgeEnder brand or Polyphasor brand no one responded so I guess no one is. They are common in amateur radio.

The thread then morphed into questions of grounding. Again, I am convinced that no amount of common mode or line to line connected MOVs (as in an APC) can work without a proper ground.Especially since a nearby strike creates a common mode spike with respect to ground. My problems have always been I believe high voltage with respect to ground brought in by Spectrum Cable my internet provider. I think we found and fixed that today.

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Blue Ridge, SC  - 90cm Offset with H-H Motor & Invacom (Ku) Linear/Circ 4 output LNBF, 10' UniMesh-Dual Norsat 8115 on Rick's Harvard ortho feed,  TBS5927 USB 2.0 Tuner. 9000i Local, AZ box etc
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