Doug Crompton on 27 Feb 2007 05:34:30 -0000


[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

Re: [PLUG] OpenWRT and covering a large area with wireless


On Tue, 27 Feb 2007, Lee Marzke wrote:

> Randy,
>
> PS: You should know the  regulations about hooking up non factory antennas
> to WiFi units. Certain combinations are illegal - and Sveasoft allows
> channels
> above #11 which are not legal in the US.    If you interfere with a HAM
> operator
> and have violated any FCC rules you can be sure you will have a problem with
> the HAM and/or FCC and others.
>
> Lee Marzke
> Not a HAM - but an FCC "PG"
>

 On the other hand if you are a ham you can run high power/high gain and
cover some long distances, limited only by line of sight range. Of course
it can not be used by non-licensed individuals, or for commercial or any
use deemed inappropriate for Amateur Radio.

Technically I think you can run 1000 watts ERP on the amateur channels as
a licensed ham. That could be a unity gain antenna and a 1KW amp
(unlikely) or 1w with a 30db antenna gain. 20-30db gain is practical
at that frequency. Anybody for moon bounce 802.11b ?? I think the phase
shift would kill it. BTW don't look at or stand in front of an antenna at
those gains and that frequency.

Doug

___________________________________________________________________________
Philadelphia Linux Users Group         --        http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion  --   http://lists.phillylinux.org/mailman/listinfo/plug