That was my first thought too, the possible pattern change. The antenna might have to be resurveyed after the install.
Greg On Aug 30, 2012, at 9:27 AM, [email protected] <[email protected]> wrote: > The station engineer should be the lead information contact. If he is > clueless most AM stations have engineering firms on retainer. > > Adding equipment to certain stations can change the antenna radiation > pattern. Obviously the FCC doesn't lie this. ;-) > > -B- > > ----- Reply message ----- > From: "Brian Gray" <[email protected]> > To: <[email protected]> > Subject: [WISPA] Guidance for mounting gear on an AM tower > Date: Wed, Aug 29, 2012 8:43 pm > > > Besides staying away from an AM tower, does anyone have any guidance as far > as mounting equipment, specifically POE equipment on one without problems for > us or the AM tower? > > How do I keep AM RF out of my POE cables and my radios / antennas? > > How do I ground my gear? > > My initial thoughts are: > > Install equipment enclosure at base of tower, attached to tower. > Run 1" metallic liquid tight (MLT) up tower to aluminum enclosure at 200', > continue run from enclosure with 1" MLT up to 300' to additional aluminum > enclosure > run 2 3/4" MLT from 200' enclosure to 2 backhaul radios (probably UBNT NB25 > to start with) > run 3 3/4" MLT from 300' enclosure to 3 sector antennas (probably UBNT Rocket > M2) > drill small weep holes in 3/4" runs as they will not be weather tight to > radios > run shielded cat 5 inside metallic liquid tight. > Put 2-3 ferrite cores on the ends of all of the cables. > install poe surge arrestors on both ends of cables, just before radio and > just before router. > wrap rf choke into both ends of a/c power cable running from enclosure to > circuit panel > No clue on grounding this thing. > > Thank you in advance! > > > > Brian Gray > > Joink LLC > Network Manager > 812-231-7087 direct > 812-870-3332 mobile > > Joink Customer Support 1-888-31-JOINK > > _______________________________________________ > Wireless mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/wireless _______________________________________________ Wireless mailing list [email protected] http://lists.wispa.org/mailman/listinfo/wireless
