[gps-talkusers] Re: Replay and Routes of Plane Ride

I will just go ahead and say it here so people don't think that I was using the 
GPS receiver without permission. 

I had the following written on a card and had it handed to the pilot: "May I 
use my Braille GPS in flight?"

Like Mike, I have had a fairly high success rate in the pilot saying "Yes."

We should have to follow the rules of what is prohibited and what is allowed 
like everyone else. 

Kevin 



-----Original Message-----
From: gps-talkusers-bounce@xxxxxxxxxxxxx 
[mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Michael May
Sent: Friday, November 16, 2007 10:24 AM
To: gps-talkusers@xxxxxxxxxxxxx; gps-talkusers@xxxxxxxxxxxxx
Subject: [gps-talkusers] Replay and Routes of Plane Ride

Two point here.

First, I assume Kevin got permission from the pilot before using his 
GPS receiver on the flight. I have received permission 90% of the 
time I have asked. I write a note on a Braille business card and ask 
the flight attendant to present it to the pilot. This usually works.

Second, I have found a few airlines now that are specifically 
prohibiting Bluetooth devices. Although the GPS unit is a receiver 
and not usually prohibited, the Bluetooth portion is in fact a 
transmitter and technically against the rules.

Also, Southwest airlines used to specifically allow GPS receivers as 
noted in the back of their passenger guide. I don't know if that is still true.

It really doesn't matter if we think cell phones or GPS receivers 
interfere or not, one does need to follow the rules.

By the way, there was a great Myth Busters show about this cell phone 
interference question.

Probably enough said on this topic.

Mike

At 10:03 AM 11/16/2007, Steve wrote:
>Scott,
>
>Heterodyne, I.F. frequency conflicts.  I'd hate to ruin 120-240 people's day
>because I was selfish and wanted to track my position for no other 
>reason than
>self-aggrandizement.
>
>You are correct that one GPS receiver isn't going to cause a problem.  What
>happens if 100 passengers use RF emitting devices that are Part 15 
>approved?  Of
>course, there will be more ambient stray oscillations floating around than
>normal.  I don't know what if any consequences would occur to the avionics.
>
>Steve, K8SP
>----- Original Message -----
>From: "Scott Granados" <gsgranados@xxxxxxxxxxx>
>To: <gps-talkusers@xxxxxxxxxxxxx>
>Sent: Friday, November 16, 2007 8:34 AM
>Subject: [gps-talkusers] Re: Replay and Routes of Plane Ride
>
>
>Receivers are fine so a GPS receiver doesn't send data.  (other than bt data
>which is in the 2.4 ghz range)  It's true the receivers probably hetrodine a
>little but believe me, modern avionics is much more fault tolerent than
>you'd imagine.  You're not supposed to use cell phones but that has
>absolutely nothing to do with airplane safety (although they would like you
>to think so).  The two primary problems with cell phones in planes are
>tracking the rapidly moving device with the network and issues with inter
>network operability when two different networks with roaming agreements pick
>up the same signal that's trying to vote at much higher than the normal rate
>one would experience on foot or in a car.  They also don't want you using
>your free minutes and instead want you paying $3.00+ per minute on that
>expensive sky phone.  I've actually sat in the cockpit of an aircraft while
>on a cell phone with absolutely no issue.  The most power I've ever
>transmitted from an aircraft is about 10 Watts in the 2Meter spectrum and
>this was with a modified Icom IC02At with a headset that I snuck on to a
>cross country flight.  So while the letter of the law says you aren't
>supposed to do this sort of thing, in reality the problems are layer 8
>(management / administrative level) not technical.  In terms of using your
>Sindero GPS package and receiver in flight there's no problem with this in
>the least.  (receive only)
>
>
>
>----- Original Message -----
>From: "Raul A. Gallegos" <raul@xxxxxxxxxxx>
>To: <gps-talkusers@xxxxxxxxxxxxx>
>Sent: Friday, November 16, 2007 4:11 AM
>Subject: [gps-talkusers] Re: Replay and Routes of Plane Ride
>
>
> > Hi. I don't mean to step on any toes, but i thought that using
> > transmitting devices like GPS receivers was prohibited while on a plane.
> > Sure, they probably won't know the difference when it's a GPS receiver
> > since it's not an obvious cell phone, but it still constantly sends and
> > receives data. If I'm wrong on this count, then i will stand corrected,
> > but this is how I understand things.
> >
> > On the other hand, I bet that was a neat experience seeing the area you
> > were flying over and the speed/altitude as you flew. <smile>.
> >
> > Kevin Chao said the following on 11/15/2007 11:45 PM:
> >> Hello to Sendero GPS V4 Users,
> >>
> >>  If anyone is curious or intested in the type of information that can be
> >> acquire from the GPS in flight, visit the Sendero Blog and download the
> >> zip file containing a Replay and Route of the flight Sandy and I took
> >> from Sacramento to Seattle then off to Victoria. What I did when running
> >> the Replay file was to set Multiple Repeat to Speed and Altitude every 5
> >> seconds. There will be a steady increase in altitude from "near sea
> >> level" to a cruising altitude of 30,000 feet and in speed from "not
> >> moving" to a cruising speed of 500 MPH.
> >>
> >>  It is also possible to get ETA information with the Route and Replay
> >> loaded. With the California, Oregon, and British of Columbia maps loaded,
> >> it is also possible to get information about what city/state(province)
> >> and POIs that were 30,000 feet below.
> >>
> >>  Have a safe take-off and landing!
> >>
> >>  Kevin
> >>
> >>
> >
> >
> > --
> > Raul A. Gallegos .. GW Micro Technical Support
> > Voice: 260-489-3671 .. Fax: 260-489-2608
> > WEB: http://www.gwmicro.com
> > FTP: ftp.gwmicro.com
> >


Michael G. May

CEO Sendero Group

Crashing Through by Robert Kurson available at http://www.CrashingThrough.com

Developers and distributors of the first-ever accessible GPS
Distributing BrailleNote, VoiceNote, Talks, Miniguide and the ID Mate 
bar code reader

MikeMay@xxxxxxxxxxxxxxxx
http://www.SenderoGroup.com

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