I would expect that under certain circumstances the polarization could be a difference of +/- 5dB. We've found that at 900mhz vpol is better when going through a forest. YMMV
On Thu, Feb 11, 2016 at 8:29 AM, Neil Smellie <[email protected]> wrote: > Gino, I have this from a older presentation > > Vegetation Loss – the loss expected due to radio energy being absorbed by > the moisture content of the vegetation. This loss will vary for every > situation, however the typical tree loss expected at different > frequencies has been estimated by the International Telecommunication Union150 > feet of trees > > 150 feet of trees > > Frequency > > 902MHz > > 2.4GHz > > 5.8GHz > > Expected additional path loss > > 9 dB > > 25 dB > > 60 dB > > On Thu, Feb 11, 2016 at 7:17 AM, Gino Villarini <[email protected]> > wrote: > >> I have calculated the nlos loss due to foliage on a 1 mile path to aprox >> 25 - 30 db, how can I extrapolate that to 2.5 and 900? >> > >
