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[Ham-80211] Providing Long-range Wifi

Perry - K4PWO k4pwo at comcast.net
Tue Aug 28 13:39:08 UTC 2012


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
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> 
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