[Ham-80211] Providing Long-range Wifi
Jim Tarvid tarvid at ls.netTue Aug 28 14:16:16 UTC 2012
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Struggling with a 14km link myself. I have a shot down a valley which almost works (or works much of the time). Using a 39" parabolic with a Mikrotik Groove. Suspect multipath issues and a few trees in the fresnel zone. Getting closer on identifying the trees. Switching polarity may help. On Tue, Aug 28, 2012 at 9:39 AM, Perry - K4PWO <k4pwo at comcast.net> wrote: > Good question! That's getting pretty murky and it'll take a higher pay > grade to answer. HI! > My "gut" impression is its probably legal but it's hard to say as you get > into the "supervised" question (like a 3rd party using your mike, you have > to still be in control). > > Perry - K4PWO > > -----Original Message----- > From: ham-80211-bounces at tapr.org [mailto:ham-80211-bounces at tapr.org] On > Behalf Of Robert Dixon > Sent: Monday, August 27, 2012 2:28 PM > To: TAPR Mailing List for Ham Radio Use of 802.11 > Subject: Re: [Ham-80211] Providing Long-range Wifi > > Thanks Perry. I sort of suspected the SSID ID, so I have done that. > The point to point link we plan to run would be completely ham at both > ends; > nobody else allowed. If we then link it to a local typical wifi network > AP > for all other users, is that any problem? Sort of like 3rd party traffic > > Bob W8ERD > > On Aug 27, 2012, at 2:41 PM, Perry - K4PWO wrote: > > > You set your SSID of the WiFi AP to your Ham call. You have to > > password limit access and its only Ham to Ham, i.e. the kids and wife, > > or others, can't legally connect to a WiFi AP run under Ham rules > > unless they are licensed. > > > > 73 de Perry - K4PWO > > > > -----Original Message----- > > From: ham-80211-bounces at tapr.org [mailto:ham-80211-bounces at tapr.org] > > On Behalf Of Robert Dixon > > Sent: Monday, August 27, 2012 10:23 AM > > To: ham-80211 at tapr.org > > Subject: [Ham-80211] Providing Long-range Wifi > > > > I am working with our local EMA to be able to provide wifi internet > > access at disaster scenes and special events in our county. I have > > read articles where people have achieved long distances over line of > > sight paths. But in our case, line of sight may not always be > > possible, due to rolling terrain, trees, buildings etc. I have a 29 > > db gain dish on my tower at 90 feet. The idea is to aim it at the > > required location, and use a portable gain antenna at the other end > > (maybe 24 db at 40 feet) for a point-to-point link, and then relaunch > > wifi locally for on-the scene laptops etc. We plan to experiment with > this as soon as we have the necessary equipment on hand. > > > > The thought is to use wifi channel 1 or 2, as that is where hams are > > priority users in the frequency allocations. We would like to use as > > much power as possible, but the cost of commercial units may limit > > that to a watt or so. 25 miles would be adequate. > > > > Also wondering how hams typically send their callsign ID for wifi > > applications. > > > > Suggestions and comments would be most welcome. > > > > Bob W8ERD > > Delaware County, Ohio > > _______________________________________________ > > ham-80211 mailing list > > ham-80211 at tapr.org > > https://www.tapr.org/cgi-bin/mailman/listinfo/ham-80211 > > > > > > _______________________________________________ > > ham-80211 mailing list > > ham-80211 at tapr.org > > https://www.tapr.org/cgi-bin/mailman/listinfo/ham-80211 > > > _______________________________________________ > ham-80211 mailing list > ham-80211 at tapr.org > https://www.tapr.org/cgi-bin/mailman/listinfo/ham-80211 > > > _______________________________________________ > ham-80211 mailing list > ham-80211 at tapr.org > https://www.tapr.org/cgi-bin/mailman/listinfo/ham-80211 > -- Kindness Works! Rev. Jim Tarvid, PCA 12897A Grays Pointe Road, Fairfax, Va 22033 703-594-7297 Google Voice 703-657-0099 Condo 38.8778239, -77.392696 http://ls.net -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.tapr.org/pipermail/ham-80211/attachments/20120828/a0552182/attachment.htm>
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