logical? Me? Hum, glad I watched every Star Trek episode...even the cartoons! Live Long and Prosper
Jaime Solorza Wireless Systems Architect 915-861-1390 On Wed, Mar 4, 2015 at 10:19 AM, Hardy, Tim <tha...@comsearch.com> wrote: > Sounds logical – a 3’ dish at 2° would be down about 10 dB and at 3° > about 20 dB according to the pattern > > > > *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *Jaime Solorza > *Sent:* Wednesday, March 04, 2015 12:14 PM > *To:* Animal Farm > *Subject:* Re: [AFMUG] Smart guys on lost question > > > > Hum...I have always used it this way and have good results. I know from > experience that "funny things" happen above 10GHz...guess all this new > fangled stuff is showing my age. > > > > but I still hold that monopole moves just enough to affect stability of > link. That's my story and I am sticking to it.. > > > > Thanks gents....I feel more confident for tomorrows presentation. > > > Jaime Solorza > > Wireless Systems Architect > > 915-861-1390 > > > > On Wed, Mar 4, 2015 at 10:04 AM, Hardy, Tim <tha...@comsearch.com> wrote: > > The urban area figure you’re using includes clutter – not applicable to a > los microwave path. > > > > *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *Jaime Solorza > *Sent:* Wednesday, March 04, 2015 12:00 PM > *To:* Animal Farm > *Subject:* Re: [AFMUG] Smart guys on lost question > > > > 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 > > > > >
