Shhhhh Don't tell the good secrets Mike! marlon
----- Original Message ----- From: "Mike Hammett" <wispawirel...@ics-il.net> To: "WISPA General List" <wireless@wispa.org> Sent: Monday, March 09, 2009 2:22 PM Subject: Re: [WISPA] 3.65 ptp > Your statement confuses me. > > Yes, there are EIRP maximums, but what I was saying still holds true. On > one side alone, a higher gain antenna will listen to the remote side > better, > compensating for lower transmit power. > > That's why Canopy 5.2 is lucky to go 2 miles, yet you can achieve over 20 > miles staying within 36 dB EIRP by using say an 8' dish on both sides. > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > > -------------------------------------------------- > From: "John Rock" <jo...@wirelessconnections.net> > Sent: Sunday, March 08, 2009 6:56 PM > To: "'WISPA General List'" <wireless@wispa.org> > Subject: Re: [WISPA] 3.65 ptp > >> EIRP is equivalent in measurements... >> >> John Rock >> Director of Operations - Senior Engineer >> Wireless Connections >> 166 Milan Ave., Norwalk, Oh. 44857 >> ACCessing the Future Today!! >> ofc. 419.660.6100 >> cell 419-706-7356 >> fax 419-668-4077 >> http://www.wirelessconnections.net >> This transmission and any files attached to it, may contain confidential >> and/or privileged information and intended only for the named recipient. >> If >> you are not the intended recipient, you are hereby notified that any >> disclosure, reproduction, retransmission, dissemination, disclosure, >> copying >> or any use of the information or files contained is strictly prohibited. >> If >> you have received this transmission in error, please notify the sender by >> reply transmission and delete this electronic mail. >> >> >> -----Original Message----- >> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On >> Behalf Of Mike Hammett >> Sent: Saturday, March 07, 2009 4:48 PM >> To: WISPA General List >> Subject: Re: [WISPA] 3.65 ptp >> >> Lower your transmit power, duh. You go a hell of a lot further with a 0 >> db >> radio and 36 db of antenna than 30 db of radio and 6 db of antenna. That >> do >> >> you think negative db values are for? >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions >> http://www.ics-il.com >> >> >> >> -------------------------------------------------- >> From: "Matt Hardy" <mha...@ligowave.com> >> Sent: Saturday, March 07, 2009 7:41 AM >> To: "WISPA General List" <wireless@wispa.org> >> Subject: Re: [WISPA] 3.65 ptp >> >>> Yes for the 3.65GHz band, antenna gain does matter, because the band is >>> EIRP restricted. For instance, for the XR3, if you look on the grant: >>> >>> >> https://fjallfoss.fcc.gov/oetcf/eas/reports/Eas731GrantForm.cfm?mode=COPY&Re >> questTimeout=500&application_id=930658&fcc_id=SWX-XR3B >>> >>> The maximum output (in watts) is 4.2, 4.7, and 4.7 for emission >>> designators (4M24D7D,8M44D7D,17M2D7D), or 5/10/20 MHz channel bandwidths >>> respectively. Thats ~ 36dBm total *EIRP* >>> >>> If you look at the test report: >>> >> https://fjallfoss.fcc.gov/prod/oet/forms/blobs/retrieve.cgi?attachment_id=90 >> 0106&native_or_pdf=pdf >>> (Page 36) >>> It shows the max tx power tested by the FCC Lab which still met spectral >>> density requirements. If you are using the XR3 at the allowed max >>> txpower (~18dBm), you must use less than or equal an 18dBI antenna. >>> (This should be specified in the user manuals you received when you >>> purchased the XR3) >>> >>> Hope that helps... >>> >>> -Matt >>> >>> rea...@muddyfrogwater.us wrote: >>>> Antenna gain does matter. >>>> >>>> UBNT has only one certified antenna combination - or did back when I >>>> first >>>> filed for the license. Useful only for P2P, actually. >>>> >>>> You have to specificy EIRP, which UBNT's grant details, using the >>>> antenna >>>> specified. >>>> >>>> >>>> >>>> >>>> >>>> ++++++++++++++++++++++++++++++++ >>>> <insert witty tagline here> >>>> >>>> ----- Original Message ----- >>>> From: "Mike Hammett" <wispawirel...@ics-il.net> >>>> To: "WISPA General List" <wireless@wispa.org> >>>> Sent: Friday, March 06, 2009 9:38 PM >>>> Subject: Re: [WISPA] 3.65 ptp >>>> >>>> >>>> >>>>> Not mine, but.... >>>>> >>>>> >> http://wireless2.fcc.gov/UlsApp/UlsSearch/licenseLocDetail.jsp?keyLoc=155333 >> 93&licKey=2969764&rsc=NN >>>>> >>>>> That's a Ubiquiti XR3. It doesn't say Mikrotik or Star-OS or Ikarus >>>>> or.... >>>>> because it doesn't matter. Nor does antenna gain. >>>>> >>>>> >>>>> ----- >>>>> Mike Hammett >>>>> Intelligent Computing Solutions >>>>> http://www.ics-il.com >>>>> >>>>> >>>>> >>>>> -------------------------------------------------- >>>>> From: "John Scrivner" <j...@scrivner.com> >>>>> Sent: Friday, March 06, 2009 8:34 PM >>>>> To: "WISPA General List" <wireless@wispa.org> >>>>> Subject: Re: [WISPA] 3.65 ptp >>>>> >>>>> >>>>>> So Reader, are you saying you have a 3.65 GHz license and have >>>>>> registered your 3.65 GHz access points and end user locations through >>>>>> the FCC ULS? I did not recall seeing a Star OS 3.65 FCC certified >>>>>> system. You are required to use FCC certified equipment and to >>>>>> register every AP and customer location using this band. If you do >>>>>> not >>>>>> then you are breaking the law. Since you are using WISPA list >>>>>> resources to discuss this as a system option for 3.65 GHz I expect to >>>>>> see a full answer from you here on this. >>>>>> Scriv >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Tue, Mar 3, 2009 at 10:42 AM, <rea...@muddyfrogwater.us> wrote: >>>>>> >>>>>>> I am. >>>>>>> >>>>>>> Works ok. Using Star-OS. I use "ok" to designate an unenthusiastic, >>>>>>> but >>>>>>> affirmative statement that it works. 3.65 seems to have unique >>>>>>> propagation qualities that are affected by snow, rain, and fog, >>>>>>> moreso >>>>>>> than >>>>>>> 5 or 2.4. >>>>>>> >>>>>>> Or, that's how it seems. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> ++++++++++++++++++++++++++++++++ >>>>>>> <insert witty tagline here> >>>>>>> >>>>>>> ----- Original Message ----- >>>>>>> From: "Brian Rohrbacher" <br...@reliableinter.net> >>>>>>> To: "Conversations over a new WISP Trade Organization" >>>>>>> <wireless@wispa.org> >>>>>>> Sent: Tuesday, March 03, 2009 7:29 AM >>>>>>> Subject: [WISPA] 3.65 ptp >>>>>>> >>>>>>> >>>>>>> >>>>>>>> Anyone using 3.65 for ptp? What is available? Can ubiquiti's cards >>>>>>>> be >>>>>>>> used in mikrotik? >>>>>>>> >>>>>>>> brian >>>>>>>> >>>>>>>> >>>>>>>> >> ---------------------------------------------------------------------------- >> ---- >>>>>>>> WISPA Wants You! 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