BINGO! Been there, done that! Good call :) On Tue, Oct 21, 2014 at 4:56 PM, G. Nicholas <[email protected]> wrote:
> Stephen, > > When you used the UB Link Calc you told it your TDD Freq was 5800 which is > 47db EIRP. From the screen shots you are really using DFS freqs which are > limited to 30db EIRP. In my opinion a 7.7 mile shot with an Airfiber 5 > will give you the performance that you are seeing because you do not have > the SNR to do the higher QAM modulations. > > > Garth > > ----- Original Message ----- > From: Stephen Parac > Sent: 10/21/2014 3:25:12 PM > To: [email protected] > Subject: [Ubnt_users] AirFiber5 Issues > > > I'm having some issues with my first AirFiber5 link. I've successfully > > installed an AirFiber24 link. I've used the link calculator and the > > anticipated signal is -66 on both sides. > > > > Background: There are zero obstacles in the way of the link. One is > > installed on the edge of a cliff, the other on the outermost edge of a > > water tower 140' in the air. I've also confirmed there is little to no > > noise operating on both frequencies. We've also verified the mounts are > > perfectly level and plumb. We've also spent a significant amount of time > > peaking the antennas and are 95% confident (we're going back out at the > > end of this week) that the screenshots are as good as they are going to > > get. I've also "bench" tested them and was able to adjust the output > > power setting to get the desired RSSI, where I got the desired > throughput. > > > > Given all of that, does anyone have any suggestion? I can't imagine the > > issue is anything but for alignment, but we've spent a lot of time on > > alignment and its hard to believe that's still the issue given how much > > time we've spent out there. I've installed licensed links before and we > > have a ton of experience, we know about side lobes and how to properly > > peak equipment. > > > > On a side note, its hard to keep the link status as "operational" and > > the remote sides of both links frequently drop and come immediately > > back. I also can't seem to get the output power to match what I have it > > manually set to. Finally, I have slowed the modulation rate down to try > > and assist with peaking. > > > > Any advice is appreciated. > > -- > > > > _______________________________________________ > Ubnt_users mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/ubnt_users > -- -RickG KyWiFi
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