MartyConnelly
martyconnelly at shaw.ca
Tue Nov 9 17:52:41 CST 2004
There are limits because the curvature of the earth comes into play after about 60 miles on line of sight. then you are into what they call football antenna pattern lobes that waterfall over obstacles. I know there are people here up the island who hook up people across valleys here via wireless (fails in snow and fog) so they can get internet service, it would cost them thousands to get an upgraded phone or cable service. Mitsules, Mark wrote: >Shamil, > >This competition is definitely on "the edge", and not suited for practical >application. The competition, IIRC, was held in the desert to achieve the >greatest possible line-of-site. Sadly, I don't think this contest website >contains any actual technical data...it is just a recap of the competition. >http://www.wifi-shootout.com/home.html > >HTH, > >Mark > > >-----Original Message----- >From: Shamil Salakhetdinov [mailto:shamil at users.mns.ru] >Sent: Tuesday, November 09, 2004 8:33 AM >To: Discussion of Hardware and Software issues >Subject: Re: [dba-Tech] Determine if modem should answer or not. > > >Mark, > >Mark, I'm interested in that too because I've 802.11b router and wireless >card... >This link http://www.wifi-shootout.com/ doesn't work here :( >Pinging it works OK (~20ms) but I can't get shown in IE. >What is its full URL? > >Shamil > >----- Original Message ----- >From: "Mitsules, Mark" <Mark.Mitsules at ngc.com> >To: "'Discussion of Hardware and Software issues'" ><dba-tech at databaseadvisors.com> >Sent: Tuesday, November 09, 2004 3:45 PM >Subject: RE: [dba-Tech] Determine if modem should answer or not. > > > > >>It CAN be done. 300 yards...hah! How about 55.1 miles using 802.11b!!! >>http://www.wifi-shootout.com/ >> >> >>Mark >> >>-----Original Message----- >>From: Jon Tydda [mailto:Jon.Tydda at alcontrol.co.uk] >>Sent: Tuesday, November 09, 2004 4:23 AM >>To: 'Discussion of Hardware and Software issues' >>Subject: RE: [dba-Tech] Determine if modem should answer or not. >> >> >>I was going to suggest that, but I wasn't sure of the range. 300 yards is >>quite a distance, even for a directional antenna. >> >> >>Jon >> >>-----Original Message----- >>From: John W. Colby [mailto:jwcolby at colbyconsulting.com] >>Sent: 09 November 2004 00:51 >>To: 'Discussion of Hardware and Software issues' >>Subject: RE: [dba-Tech] Determine if modem should answer or not. >> >> >>Forget telephony. Get her a wireless NIC that will take an external >>antenna. Build / buy a coffee can directional antenna. Connect it to her >>wireless NIC, and thus her to your wireless router. She now has screaming >>internet access. >> >>http://www.extremetech.com/article2/0,1558,1641185,00.asp >>http://www.oreillynet.com/cs/weblog/view/wlg/448 >>http://www.turnpoint.net/wireless/has.html >> >>Or just google pringle antenna >> >>Other useful places. >> >>http://www.extremetech.com/article2/0,1558,1273593,00.asp >>http://www.extremetech.com/article2/0,3973,37024,00.asp >> >>This stuff actually works >> >>John W. Colby >>www.ColbyConsulting.com >> >>Contribute your unused CPU cycles to a good cause: >>http://folding.stanford.edu/ >> >>-----Original Message----- >>From: dba-tech-bounces at databaseadvisors.com >>[mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Drew Wutka >>Sent: Monday, November 08, 2004 7:18 PM >>To: Discussion of Hardware and Software issues >>Subject: [dba-Tech] Determine if modem should answer or not. >> >> >>Okay, I have a problem, that I am relatively clueless on where to start. >>I'll try to make this short and sweet. My best friend in the world lives >>about 1000 feet from me. She has had a cell phone, and cell phone only >> >> >for > > >>a while. Her budget is very tight. She has a computer (actually a little >>better then my home desktop), but no way to get on the internet. She >>doesn't have cable, and until recently, no land phone. >> >>Her mother is getting her a land phone. Now she would like internet >>connectivity. So would I, cause I would like to be able to just email her >>sometimes! Problem, even really cheap dialup is $9.99 a month, and that's >>money she can barely spend. >> >>I, on the other hand, have a SCREAMING DSL connection (3 mgb down, and >> >> >384kb > > >>up). I also have Windows 2000 server, which has Routing and Remote >> >> >Access, > > >>so I can actually connect her to my network, and thus out to the internet, >>through RAS. That, I can do. Problem, one, I have no modem. (I'm >> >> >working > > >>on that!) Two, I only have one phone line, and there is no reason for me >> >> >to > > >>have 2. The second line would be just for her, and would also be more >>expensive then her just getting dialup. If I connect my home phone to my >>server, however, it will answer on every call. Sort of annoying, because >>then I lose my answering machine, and I wouldn't get messages. What I >> >> >need > > >>to do, is to have the modem pickup, only if the caller id (which I have) >>matches HER home number. (If she wants to call me, she can call me with >> >> >her > > >>cell). >> >>Any ideas? I know I'll need to use Telephony, but that is the limit of >> >> >what > > >>I know on this subject. >> >>Drew >> >> >>_______________________________________________ >>dba-Tech mailing list >>dba-Tech at databaseadvisors.com >>http://databaseadvisors.com/mailman/listinfo/dba-tech >>Website: http://www.databaseadvisors.com >> >> >> >>_______________________________________________ >>dba-Tech mailing list >>dba-Tech at databaseadvisors.com >>http://databaseadvisors.com/mailman/listinfo/dba-tech >>Website: http://www.databaseadvisors.com >> >> >>The information in this e-mail is confidential and may also be legally >>privileged. The contents are intended for recipient only and are subject >>to the legal notice available on request from : webmaster at alcontrol.co.uk >>ALcontrol Laboratories is a trading division of ALcontrol UK Limited. >>Registered Office: Templeborough House, Mill Close, Rotherham, S60 1BZ. >>Registered in England and Wales No 4057291 >>_______________________________________________ >>dba-Tech mailing list >>dba-Tech at databaseadvisors.com >>http://databaseadvisors.com/mailman/listinfo/dba-tech >>Website: http://www.databaseadvisors.com >>_______________________________________________ >>dba-Tech mailing list >>dba-Tech at databaseadvisors.com >>http://databaseadvisors.com/mailman/listinfo/dba-tech >>Website: http://www.databaseadvisors.com >> >> > >_______________________________________________ >dba-Tech mailing list >dba-Tech at databaseadvisors.com >http://databaseadvisors.com/mailman/listinfo/dba-tech >Website: http://www.databaseadvisors.com >_______________________________________________ >dba-Tech mailing list >dba-Tech at databaseadvisors.com >http://databaseadvisors.com/mailman/listinfo/dba-tech >Website: http://www.databaseadvisors.com > > > -- Marty Connelly Victoria, B.C. Canada