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Lightning arrestor

Help with installing an Antenna, or just choosing the right antenna to go with your radio, or your mobile.

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Trapper444
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Lightning arrestor

Post by Trapper444 » Friday, 01 December 2017, 7:44 AM

So inline lightning arrestors that the coax screws into..installed at base of antenna ? Do they work?
Antenna is a IMax 2000
Thoughts? Experiences?

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sonoma
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Re: Lightning arrestor

Post by sonoma » Friday, 01 December 2017, 9:53 AM

they help on a mild strike. I had one on a A99 antenna years ago and took a direct hit and it did not help. luckily I had unhooked the radio and put the coax end in a thick container. the lightning traveled all the way through every thing and burnt the carpet . lucky I was home at the time to put out the fire..this is my experiance with one.

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Re: Lightning arrestor

Post by MDYoungblood » Friday, 01 December 2017, 10:37 AM

I have arrestors install on all the coax's entering the house, they are installed outside and connected to my grounding rods and loop system. My other line of protection is at my radio room, all antenna connections not in use are grounded to the outside as well. Like sonoma said it is a good precaution but will not help on a direct strike. The shield (braid) of most coax installations are all ready grounded if the antenna was properly installed. The arrestor is nothing more than a spark gap devise to the center conductor, some are an air gap, others have a gas tube gap. I use them because they also help in bleeding off static buildup. When checking out the type you want to use make sure it will handle any additional wattage you plan to run.

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Trapper444
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Re: Lightning arrestor

Post by Trapper444 » Friday, 01 December 2017, 13:15 PM

Thank you both.
Good insite........
What about this grounding kit sold for 400 cable? It looks like it requires you to splice into the cable to install it?

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Beachbum24
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Re: Lightning arrestor

Post by Beachbum24 » Friday, 19 January 2018, 19:06 PM

MDYoungblood wrote:
Friday, 01 December 2017, 10:37 AM
I have arrestors install on all the coax's entering the house, they are installed outside and connected to my grounding rods and loop system. My other line of protection is at my radio room, all antenna connections not in use are grounded to the outside as well. Like sonoma said it is a good precaution but will not help on a direct strike. The shield (braid) of most coax installations are all ready grounded if the antenna was properly installed. The arrestor is nothing more than a spark gap devise to the center conductor, some are an air gap, others have a gas tube gap. I use them because they also help in bleeding off static buildup. When checking out the type you want to use make sure it will handle any additional wattage you plan to run.

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Greg
I hope you don't mind me asking. I did try to do a search on it. But what happens if my antenna does take a direct strike.
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MDYoungblood
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Re: Lightning arrestor

Post by MDYoungblood » Friday, 19 January 2018, 21:44 PM

A direct strike will be devastating, antenna, mount, coax, and radio in worst senerio damage to the property it's attached to. Believe me, a lightning arrest or won't help with a direct strike. Might be a good idea to check with your insurance agent about what all your homeowners insurance covers and the local electrical codes on what they require as a proper grounding.

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Uniden Washington
Mobile
Texas Ranger TR-696FD1C
Handheld
Maxon HCB-40WX
Antennas
Avanti Sigma II
Homemade Full Wave Loop
Homemade 1/2 wave Dipole
Hustler 102" SS Whip and Hustler Ball Mount

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