Been using this one for quick lookups, requires an account to be established though.
http://www.ligowave.com/linkcalc/main.html Regards Michael Baird > Yeah, I'd have to get quite a few more customers to pay for such a thing. I > can certainly see the value in it but value versus food...... Uh.... I > gotta eat. > > Someday, though. Someday.......... > > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of RickG > Sent: Wednesday, December 02, 2009 12:42 PM > To: WISPA General List > Subject: Re: [WISPA] 20 mile link > > As they say, you get what you pay for. For normal stuff, especially close > range, you can use a variety of software packages. But for a high dollar > tower, you want someone with the expertise and the software to give you > reliable results. -RickG > > On Tue, Dec 1, 2009 at 11:47 PM, Robert West > <[email protected]>wrote: > > >> Me = Cheap >> >> RadioMobile = Free >> >> Wispmon = Yikes! >> >> It better be good but I think I'd need a few thousand customers before I >> didn't feel that price. >> >> >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of Brad Belton >> Sent: Tuesday, December 01, 2009 11:38 PM >> To: 'WISPA General List' >> Subject: Re: [WISPA] 20 mile link >> >> A relatively nifty new monitoring service out there also has a great path >> profile tool built-in. The person that is developing the product is a >> > long > >> time wireless operator, so he has a very good feel for what our industry >> needs. >> >> www.wispmon.com >> >> I've been a RadioMobile user for years now, but have found myself using >> > the > >> path profiler in wispmon more often than RadioMobile. >> >> Best, >> >> >> Brad >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of Brian Webster >> Sent: Tuesday, December 01, 2009 10:21 PM >> To: WISPA General List >> Subject: Re: [WISPA] 20 mile link >> >> $75 using 10 meter terrain data and 30 meter resolution tree clutter. >> >> >> Thank You, >> Brian Webster >> 214 Eggleston Hill Rd. >> Cooperstown, NY 13326 >> www.wirelessmapping.com >> 607-643-4055 Voice >> 607-435-3988 Mobile >> 208-692-1898 Fax >> >> >> On Tue, Dec 1, 2009 at 10:59 PM, RickG <[email protected]> wrote: >> >> >>> THANKS to EVERYONE for their input. I'll let you know what I decide. >>> Another >>> question: Normally I do my path analysis with Delorme but I'm not >>> > feeling > >>> that is good enough considering the cost of the project and some trees I >>> see >>> in the distance. Is anyone out there offering path analysis for a fair >>> rate? >>> -RickG >>> >>> On Tue, Dec 1, 2009 at 9:36 AM, Mike <[email protected]> wrote: >>> >>> >>>> Rick: >>>> >>>> You have been getting some good advice here. I am not a networking >>>> guru and have never played one on TV, but do know a thing or two about >>>> >>> RF. >>> >>>> It seems with your physical layout you may have an opportunity for >>>> some space diversity. A simple link will probably serve you with 3 >>>> nines or so. If infrequent outages will sit OK with the user, then >>>> engineer a link with single radios. >>>> >>>> If you use some of the more inexpensive radio solutions as proffered >>>> here, you could put up two links with 20' to 30' of physical >>>> separation. Or, one dish on the water tower, and two on the new >>>> tower. The single one could be the AP and the other two remote ones >>>> stations. You could use an MT router running OSPF with one having a >>>> higher cost than the other. If one failed, the other would take over. >>>> >>>> My fear of a 20 mile link would be those atmospheric events we >>>> sometimes see -- tropospheric ducting. >>>> >>>> I would be curious what you come up with. >>>> >>>> Mike >>>> >>>> At 09:22 PM 11/30/2009, you wrote: >>>> >>>>> Planning my first 20 mile PTP link. Path analysis shows clear. >>>>> >> Customer >> >>> is >>> >>>>> building a 100' tower just for this therefore the equipment I choose >>>>> >>> must >>> >>>>> work. I'm free to use whatever I want. Suggestions? >>>>> -RickG >>>>> >>>>> >>>>> >>>> >> --------------------------------------------------------------------------- >> ----- >> >>>>> WISPA Wants You! 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