You've got 500 MHz of guard, that shouldn't be an issue at all. As long as the 180* links are the same 75/25 and GPS is running, I think you should be OK. I'm not sure what would happen when the upload comes into play as both masters would hear the wrong slave presumably ~40db weaker.
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Apr 10, 2017 at 1:19 PM, Paul McCall <[email protected]> wrote: > If we have one in the 5200 range (slave) and a Master 5775 that is 30 ft. > away (horizontally, but still back to back on the side of a building) would > that work? > > > > Paul > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Mathew Howard > *Sent:* Monday, April 10, 2017 1:16 PM > *To:* af <[email protected]> > *Subject:* Re: [AFMUG] Airfiber 5x GPS Sync Frequency reuse > > > > Yeah, GPS sync won't work if you have a master and a slave on the same > tower, so you'll need to make sure you have enough separation (both > physical and frequency) to keep from interfering. > > > > On Mon, Apr 10, 2017 at 12:02 PM, Paul McCall <[email protected]> wrote: > > We were going to run 75/25, so could I take the New nearby dish and make > it master (being 15 ft. away F/B? I might be able to go up to 40 or 50ft. > Back to back as well. thinking it through it really needs to be the > Master. I guess I might have to use a different frequency for the new link > if it doesn’t work with the Master being close to the Slave. > > > > Paul > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Mathew Howard > *Sent:* Monday, April 10, 2017 12:58 PM > *To:* af <[email protected]> > *Subject:* Re: [AFMUG] Airfiber 5x GPS Sync Frequency reuse > > > > Yeah, it should work - as long as the the new master on the far end can't > see either of the masters on the first tower, it shouldn't be a problem. > You do need to have the ratio matched on all of the masters though, so if > for example, you have the current link set to 75/25, you would have to set > the new master on the far end to 75/25 also (so you would effectively only > be getting 25% download at that site)... not really an issue if you're > running 50/50, or if 25% down is enough bandwidth at that location, but > something to keep in mind. > > > > On Mon, Apr 10, 2017 at 11:49 AM, Paul McCall <[email protected]> wrote: > > We have a tower using the same AF5x frequency (both Masters – I’ll call > them BHM-1 and BHM2) going about 180 deg. Different directions with about > 30 ft. of vertical separation. About 2 miles away is the “slave side” > (I’ll call in BHS2) of one of these on a building, and I want another AFX5 > dish going almost 180 degrees to this slave going to another tower 1.5 > miles away. I can get about 15 ft. separation F/B between BHS2 and this new > dish. Can I use the same frequency again on this new link? If I so I > would assume I make the new “back to back – 15 ft. apart AF5x also be a > slave and the far end (new tower) be the master? > > > > Since they are all GPS synced I didn’t know how much difference it makes > or are there additional considerations? > > > > Paul > > > > Paul McCall, President > > PDMNet, Inc. / Florida Broadband, Inc. > > 658 Old Dixie Highway > > Vero Beach, FL 32962 > > 772-564-6800 <(772)%20564-6800> > > [email protected] > > www.pdmnet.com > > www.floridabroadband.com > > > > > > > > >
