It's because you weren't taught this common core math garbage! =)
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Wed, Mar 4, 2015 at 11:59 AM, Jaime Solorza <losguyswirel...@gmail.com> wrote: > 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 >> > >