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[Ham-80211] Providing Long-range Wifi

Robert Dixon w8erdbob at gmail.com
Tue Aug 28 14:51:43 UTC 2012


Hi Greg!  Tell me what you have been doing.

Bob W8ERD

On Aug 27, 2012, at 10:01 PM, Gregory Ratcliff wrote:

> Bob,
> 
> I have been doing long distance wifi for 10 years. Drop me an email.  
> 
> Thanks,
> 
> Greg
> Nz8r
> Sent from bb
> 
> -----Original Message-----
> From: Robert Dixon <w8erdbob at gmail.com>
> Sender: ham-80211-bounces at tapr.org
> Date: Mon, 27 Aug 2012 15:28:01 
> To: TAPR Mailing List for Ham Radio Use of 802.11<ham-80211 at tapr.org>
> Reply-To: "TAPR Mailing List for Ham Radio Use of 802.11" <ham-80211 at tapr.org>
> 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
>> 
>> 
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>> https://www.tapr.org/cgi-bin/mailman/listinfo/ham-80211
> 
> 
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