I have a couple of those if you need some more. Stainless steel type. On Sun, Oct 25, 2015, 12:06 PM Jaime Solorza <losguyswirel...@gmail.com> wrote:
> We used to get hits on UV treatment plant with plc gear, switches, cameras > and radios next to it. I installed an air terminal five feet above tower > on 1 1/2 inch emt secured to Tower top but isolated by thick rubber...then > ran 6 gauge ground directly to 3/4 inch 10 ft rod....tower has its own > rod....Franklin grounding principle...no issues for over a year and we have > had allot of lightning....consider floating your mounts from tower as > well... > > Jaime Solorza > On Oct 25, 2015 10:51 AM, "Craig House" <cr...@totalhighspeed.net> wrote: > >> Gino We used to loose a lot of equipment as well. Daniel White gave me >> some advice 10 years ago and we started immediately noticing a difference. >> The suggestions was good shielded cable with a ground strap every 75' >> minimum. Since then we have changed a lot but still lose very little. The >> main thing we have changed is to keep our ethernet cables as absolutely >> short as possible. I mount a box on the tower and run AC power up to it. >> Install a Surge strip for the Netonix switch at the top of the tower and >> try to keep all cable runs to less than 30'. I use fiber up the tower >> every chance I get and since the Netonix switches have SFP built in it is >> really not much extra cost for the fiber. >> >> I have come to the conclusion that we will always lose some things but it >> has helped so much. We dont usually do anything special to "ground" our >> stuff unless the tower has a propensity to attract lightning. Not sure if >> this helps you but it has worked for us >> >> Craig >> >> >> ------------------------------ >> *From: *"Gino Villarini" <ginovi...@gmail.com> >> *To: *af@afmug.com >> *Sent: *Sunday, October 25, 2015 11:31:05 AM >> *Subject: *Re: [AFMUG] Site Grounding - what we are doing wrong? >> >> Tushar, when you say ground block you mean a surge suppressor? >> >> On Sunday, October 25, 2015, Tushar Patel <tpa...@ecpi.com> wrote: >> >>> We used to loose lot of radios too. >>> >>> We do following now and it seems to help (loosing less). >>> >>> At top on the tower: >>> We put all AP on stand off (MTOW-p), then we have grounding block >>> mounted on the stand off at same level as AP, then less then 2 feet of >>> cable going from grounding block to AP. All shielded cable and grounded to >>> tower. >>> >>> We have lost few ground block on tower but it seems to save radios. >>> >>> Some ideas came from orthogone system product and their grounding guide >>> lines. >>> >>> At the bottom >>> >>> Shielded cable going to grounding block and then to equipments. >>> >>> Tushar >>> >>> >>> > On Oct 25, 2015, at 10:57 AM, Gino Villarini <ginovi...@gmail.com >>> <http://JAVASCRIPT-BLOCKED;>> wrote: >>> > >>> > So we are loosing radios left and right due to lightning! >>> > >>> > Typical site setup: >>> > >>> > Radios on tower grounded to tower >>> > >>> > Shielded cable >>> > >>> > Shielded patch panel - grounded >>> > >>> > Regular cat5 jumpers >>> > >>> > Wbmfg SS - grounded >>> > >>> > Regular cat5 jumpers >>> > >>> > Poe device >>> > >>> > What's wrong? >>> > >>> > >>> >> >>
