huh what? So, why would the SNR values change if its simply an indicator of what it would be on a clean channel, every radio with a -60 would always have the exact same SNR every time under all circumstances based on that description
On Wed, Jul 6, 2016 at 1:36 PM, Dan Sullivan < [email protected]> wrote: > Hi, > > > > SNR reports the signal to noise ratio. If there is additional > interference, then the CINR (carrier to interference and noise ratio) will > be less than SNR. If there is no interference, then CINR will be the same > as SNR. Therefore, SNR is your best case and reflects expected performance > on a clean channel (i.e. without interference). > > > > Daniel Sullivan > > ePMP Systems and Software Manager > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Bill Prince > *Sent:* Wednesday, July 06, 2016 1:16 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Plenty of SNR, MCS 0 > > > > I think there is an issue in general with any radio built on Atheros chips > sets. It appears to me that if the interference is _NOT_ 802.11-based, then > it does not exist. So this affects any radios that use an Atheros chip set. > UBNT, ePMP, Mikrotik, etc. > > bp > > <part15sbs{at}gmail{dot}com> > > > > On 7/6/2016 5:18 AM, Mike Hammett wrote: > > Has the SNR reading on the ePMP series proven accurate? I know to not > believe the UBNT AirMax one and IIRC, the same with Mikrotik. > > I have a link that has 23 dB of SNR (from both sides of a PtP), yet > maintains MCS 0 for uplink and downlink. > > The link is down about 10 dB for some unknown reason (maybe wind from last > night's storm blew one of the ends), but 23 dB should be plenty to do a > little better than 0. > > Running 2.6.2 and both sides have been rebooted. > > -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
