You could try that. Signal levels can change pretty significantly when you rotate omnis. The downtilt could be an issue, if it's a tall tower, and the clients are close... but in most cases, 1 degree vs 2 degrees isn't going to make a difference.
On Fri, Apr 26, 2019 at 11:41 AM Jay Weekley <par...@cyberbroadband.net> wrote: > So, rotate the omni? > > Matt Corcoran wrote: > > > > The omni radiation patterns are not perfectly round. Maybe the > > Ubiquiti antenna was pointed optimally at them while the new antenna > > is not, or is better rounded. > > > > Also the gain varies within the frequency range. Old antenna might > > have been target more towards wifi, while the other might be targeted > > more for 2.5/2.6ghz BRS/EBS LTE. > > > > Both should have graphs so you can see the differences. > > > > *Matt* > > > > *From: *AF <af-boun...@af.afmug.com> on behalf of Jay Weekley > > <par...@cyberbroadband.net> > > *Reply-To: *AnimalFarm Microwave Users Group <af@af.afmug.com> > > *Date: *Friday, April 26, 2019 at 12:12 PM > > *To: *AnimalFarm Microwave Users Group <af@af.afmug.com> > > *Subject: *[AFMUG] Customer signal issues: UBNT versus KP Performance > > 2.4 omni's > > > > After a storm we noticed that customer signal levels dropped a lot on > > a 2.4 GHz omni. Especially the received signals on the AP. Water had > > gotten in so we replaced the omni, radio and the connectors and the > > signal levels were better but didn't return to their original levels > > and are still about 5 db lower than they were before the storm. The > > original omni was a Ubiquiti AMO-2G13 and was replaced with a 13 dBi > > KPPA-2GHZ-DPOMA-WC-2. > > > > The Ubiquiti antenna has 2 degrees of downtilt versus 1 with the KP > > Performance antenna. Would this be enough difference to cause the > > problem? What else could it be? > > > > Here are the antenna data sheets: > > KP Performance antenna. > > https://streakwave.com/mmSWAVE1/Video/amo_ds_20170106.pdf > > < > https://streakwave.com/mmSWAVE1/Video/amo_ds_20170106.pdf?fbclid=IwAR2W3cHhzAJtt2pIxOoqbWsgj0_UwOTjfpCXi5QhKf8llEoJ0KchQtVBy7g > > > > > > Ubiquiti antenna > > https://www.streakwave.com/…/KPPA-2GHZ-DPOMA-WC-2_datasheet… > > < > https://www.streakwave.com/mmSWAVE1/Video/KPPA-2GHZ-DPOMA-WC-2_datasheets_US.pdf?fbclid=IwAR3Fffk8DlLf21wvYH_eidyLy2ndaZe-qhb_17LBVF_NGz7OEla1dp5a1_E > > > > > > -- > > *Jay Weekley* > > *Cyber Broadband > > * > > > > < > http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient > > > > > > > > > > Virus-free. www.avg.com > > < > http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > > > > > > > > > > > -- > *Jay Weekley* > *Cyber Broadband > * > > --- > This email has been checked for viruses by AVG. > https://www.avg.com > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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