Wow ..close... I come up with 132.89 dB FSL and 143.41 dB urban area FSL ..so I guess if I back out the 2dB loss I am within 1.2dB of the calculations sent to me.
Okay i am close. Cool...I can still add and subtract..yeah me! Jaime Solorza Wireless Systems Architect 915-861-1390 On Wed, Mar 4, 2015 at 9:53 AM, Chuck McCown <ch...@wbmfg.com> wrote: > I have never had problems using simple free space path loss for these > frequencies. > I doubt there is significant cable or waveguide loss. > Dragonwaves mount to the antenna and the gain of the antenna is at the > interface. > > 96.6 + 20logD + 20log F Where F & D are GHz and Miles. > > 96.6 + 10.5 + 25.1 = 132.2 dB > > *From:* Jaime Solorza <losguyswirel...@gmail.com> > *Sent:* Wednesday, March 04, 2015 9:31 AM > *To:* Animal Farm <af@afmug.com> > *Subject:* [AFMUG] Smart guys on lost question > > Hello Smart Dudes on the list: > Running a 3.348 mile path for 18 Ghz Dragonwave link to compare what > someone else came up with. I am wondering if they used just unfaded free > space loss calculation and coming up with a figure 10dB better than mine, > I am using unfaded urban area free space loss for mime. I use just free > space loss we are within 3db of each other. I added 1 db of cable loss > since I do not know if waveguide was used or many other details. I will > get all that information on site. > I have always engineered paths on conservative side since the start. > > What are your thoughts Hobson? > > Thx > > > Jaime Solorza > Wireless Systems Architect > 915-861-1390 >
