Gentlemen,
Remember the 9-11 high-jacked aircraft that the hostages crashed into
the ground?
It was widely reported that _numerous cellphone_ conversations went on
between the
hostages and their families and etc...
Some 20 years ago, on a private aircraft flight, I received permission
and had
the opportunity of using my 1 watt 450 MHz Icom 4AT at ~35K feet altitude.
I can assure you - kerchunking a common frequency pair _very enlightening_.
At that altitude I had tri-state simplex coverage, unreal!
Regards,
Dave Garnier - wb9own
Message: 5
Date: Fri, 3 Mar 2006 09:03:31 -0600 (CST)
From: ab0yw@devfam.com
Subject: Re: [RFI] Fw: cell phone interference on airplanes
To: rfi@contesting.com
Message-ID: <2186.63.230.40.29.1141398211.squirrel@www.devfam.com>
Content-Type: text/plain;charset=iso-8859-1
>
>
>
Would one or two watts at 2GHz make it over 5-6 miles to ground to
antennas which are optimized for ground signals? I'm thinking how
difficult it is with WiFi without high gain antennas.
>
>
>
73,
Rodger
AB0YW
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