GPS pucks are perfectly reliable for us. On Wed, Jul 26, 2017 at 3:07 PM, Steve Jones <[email protected]> wrote:
> packetflux is the only way to sync, everything else is garbage, GPS pucks > aren't reliable, CTMs and CMMs are a waste of money and are no where near > as versatile, cambium cant get their pucks to work, so I wouldn't trust > their little syncpipe knockoffs either. Ala-cart sync, switch agnostic, no > worries. Small sites you can split one injector to power and/or sync a mix > of voltages and pinouts, PLUS (this is a big thing) two Fridays ago, after > hours, had an issue with getting one working, got direct communication from > packetflux and got things going, good luck with that from cambium and their > new tiered support > > On Wed, Jul 26, 2017 at 1:54 PM, George Skorup <[email protected]> > wrote: > >> It's not only the antenna. Newer 1000 boards and all 2k's have a >> GPS+GLONASS receiver. They also updated the 450AP a couple years ago with a >> revision that includes this receiver. GPS-only kinda always sucked. With >> GLONASS added, you have a lot more sats available, so the probability of >> maintaining lock is much, much better. I really wish Forrest would start >> using this in his pipes and boxes. >> >> Typically moving the antenna a few inches or a foot says there's some >> multipath going on. And sometimes the receivers just get confused and need >> a power-cycle. I have some SyncPipes on 1-foot stand-offs with another 300' >> of tower above them and rain will make them see no sats. >> >> What has worked better for me than anything else is a SyncInjector and >> pipe/box on the ground away from tower steel and lots of RF. Even then, >> those get confused sometimes too. Usually when I see really bad fading at >> night during the summer, I'll see that tracked sats will go from the normal >> 9-12 down to 5-7, but they rarely lose lock. >> >> Once upon a time, I had a SyncInjector and a pipe running in the server >> room for 4-5 days (because I forgot to run a cable outside for the pipe). >> It worked fine... until it rained. >> >> >> On 7/26/2017 1:31 PM, Nate Burke wrote: >> >>> When we first started using EPMP, (5ghz, with GPS) we had some AP's >>> would keep losing satellites. Then after our first couple installs, >>> everything just Worked after that. Slap the GPS antenna on any random >>> surface, and lots-o-satellites with no issues. Now the New AP's we're >>> getting out of Distribution have the GLONASS label on the antennas, and >>> we're back to having hit and miss GPS again at new sites. Are the new >>> antennas less sensitive? At one location, 1 out of the 4 APs was going >>> from 12 satellites tracked (20 visible) to 0 Satellites tracked (still 20 >>> visible) at random times. We moved the GPS Puck about 4 inches vertically, >>> and now it has a steady 17 satellites tracked. >>> >>> Has something changed with the Antennas? >>> >> >> >
