Nope Jaime Solorza On Jun 3, 2015 6:17 PM, "George Skorup" <geo...@cbcast.com> wrote:
> Then you're not following the single-point/everything connected principle. > > On 6/3/2015 7:09 PM, Jaime Solorza wrote: > > I run the ground wire directly to dedicated ground rod. We DO Not tie in > to ring or grid. This is a straight shot... > > Jaime Solorza > On Jun 3, 2015 5:15 PM, "Edward Brooks" <broo...@mt.net> wrote: > >> So, to clarify things. These are Cyclone 2450-VS APs set to 120deg. >> That said, the idea with the ground wires for the omni may not work. >> A surge arrestor at the top and bottom (not part way up). >> Try not to be the tallest thing on the tower. >> Aerial at top with dedicated ground wire to ground rod tied into Tower >> ground ring. >> Does that about sum it up? >> >> -Ed >> >> On 6/3/2015 4:53 PM, Chuck McCown wrote: >> >> I have used them. I believe the theories. But I think you would have >> to talk to broadcasters to get a good opinion. They don’t seem to be as >> popular as they once were. >> >> *From:* Edward Brooks <broo...@mt.net> >> *Sent:* Wednesday, June 03, 2015 4:51 PM >> *To:* af@afmug.com >> *Subject:* Re: [AFMUG] Static & Nearby Lightning Issues >> >> Thanks Ken, >> Has anyone had any experience with dissipators? Are they worth the >> money and labor? >> >> -Ed >> -- >> Edward Brooks >> >> *Outside Plant Manager The Montana Internet Corporation* >> 406-443-3347 X506 <406-443-3347%20X506> >> >> On 6/3/2015 4:35 PM, Ken Hohhof wrote: >> >> I would NOT put Cat5 surge protectors every 50-75 feet, you will likely >> get Ethernet errors and/or negotiation problems. At most there should be >> one at each end. >> >> You are probably thinking of coax, and even so I suspect those are shield >> grounds, not actual surge protectors. >> >> I do agree with not making your antennas the highest thing on the tower >> if you can help it. >> >> If you must use an omni antenna located at the top, I have had some >> success with a COAX surge protector between the radio and the antenna. >> Polyphaser makes some DC blocking types that work OK and aren’t too >> expensive. If lightning hits, the omni is still probably toast, but it >> might save the radio. >> >> *From:* Edward Brooks <broo...@mt.net> >> *Sent:* Wednesday, June 03, 2015 5:24 PM >> *To:* af@afmug.com >> *Subject:* [AFMUG] Static & Nearby Lightning Issues >> >> Here goes... >> We have a new 118' Super Titan Max tower that has been grounded per >> manufacturers recommendations. Each leg is physically bonded (not >> exothermically) to a 10' ground rod, all ground rods are then connected to >> each other in a ring. The equipment cabinet is bonded to an 8' ground rod >> and tied into the meter base grounding as well. The two ground rings are >> then bonded to each other in 2 separate places. >> With that said our issue has not been with the grounding, but with >> the dissipation of static at the height of the antennas. We currently have >> had the worst problems with the 3 Cyclone 2.4 antennas which are currently >> located on masts at the top of the tower. We have also had issues with a >> couple of the 5.7 Cyclones located below the top of the tower, but not as >> frequently. The center-line of the 2.4 APs is 120' AGL, the height of the >> tower is 118' AGL. We currently have WB-GigE-APC surge arrestors located >> in the cabinet which is located 10 ft from the base of the tower. >> After doing some research through various Cambium manuals and the >> Motorola R56 manual, I have some idea what our issue is, but would like to >> bounce those ideas off the community. My thought is that we neglected to >> put surge arrestors at 50' to 75' intervals (as recommended by the Motorola >> R56 manual) and 1 at the top for use in thunderstorm areas. Also we may >> need to lower the APs to a minimum of 2ft below the top of the tower (per >> the Cambium manuals for various antenna types). >> Any suggestions or comments would be appreciated. What have you >> done to mitigate this problem? Etc... >> >> Thanks, >> -Ed >> -- >> Edward Brooks >> >> *Outside Plant Manager The Montana Internet Corporation* >> 406-443-3347 X506 <406-443-3347%20X506> >> >> >> >> >> ------------------------------ >> [image: Avast logo] <https://www.avast.com/antivirus> >> >> This email has been checked for viruses by Avast antivirus software. >> www.avast.com <https://www.avast.com/antivirus> >> >> >
