On Jun 26, 2004, at 23:56, J.A. Terranson wrote:
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
Do any models let YOU decide to send your location to ANOTHER
phone?
Mine, an Samsung I330 PDA/Phone (actually a rebranded Handspring)
allows
you to selectively *disable* non-lea queries. Based upon
At 12:28 PM 6/27/2004, Jack Lloyd wrote:
More recent phones from Sprint must support real GPS, since Qualcomm
offers chipsets with GPS support, which they wouldn't do unless their
only customers (Sprint phone manufacturers) wanted it.
I was looking at getting a Sprint phone last week - every
At 01:13 PM 6/27/2004, Jack Lloyd wrote:
On Sun, Jun 27, 2004 at 01:01:53PM -0700, Bill Stewart wrote:
Do any of them let _you_ see the GPS results (which would be useful),
or are they only available to Big Brother and maybe advertisers?
Not as far as I know. The cheaper ones certainly don't,
Jack Lloyd [EMAIL PROTECTED] wrote:
I was looking at getting a Sprint phone last week - every model I
looked at had a GPS chip.
Try the Sanyo SCP-8100. It does network-assisted location only. It
also has a much more sensitive frontend than anything from Samsung, has
a reasonably nice-looking
Nomen Nescio [EMAIL PROTECTED] wrote:
There is no such thing as a GPS frequency.
Well, clearly there's the frequency on which the satellites broadcast
(~1500MHz). I think his point was that to jam the GPS you've got to put
out RF energy on the appropriate frequency, which would then be
One phone I'd like to recommend against is the SideKick. I've no idea if
it's got a GPS receiver or not - likely it doesn't need one since it's
GPRS and can use tower timing as discussed before.
I'm recommending against it, because while I love the phone and its
features, it's too big
At 06:27 PM 6/26/04 -0500, J.A. Terranson wrote:
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
Eventually the cellphones will be able to tell another phone approx
where they are. Remember the 911-locator fascism?
I hate to break the news to you Major, but GPS enabled phones cannot be
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
Of course disabling your GPS unit will not prevent the fascists from
doing triangulation with signal strength, ie the alternative (and
cheaper
and less precise alternative). That's merely physics and
geometry. To counter that, you need to
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
Eventually the cellphones will be able to tell another phone approx
where they are. Remember the 911-locator fascism?
snip
Do any models let YOU decide to send your location to ANOTHER
phone?
Mine, an Samsung I330 PDA/Phone (actually a
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
At 07:21 AM 6/26/04 -0400, R. A. Hettinga wrote:
http://www.nytimes.com/2004/06/26/technology/26ALIB.html?th=pagewanted=printposition=
The New York Times
June 26, 2004
For Liars and Loafers, Cellphones Offer an Alibi
By MATT RICHTEL
At 06:38 AM 6/27/04 +0200, Thomas Shaddack wrote:
If the phone is shielded, it can't transmit/receive, which makes it
rather
useless. :(
When you don't want to use it, why should it not be useless?
There is one potential landmine as well; the inherent ability of any
device containing resonators
At 02:02 AM 6/27/04 +0200, Thomas Shaddack wrote:
Can it be disabled by hardware hack of the phone, a mikropower jammer,
or using an unofficial firmware?
I wrote:
It would be hard to verify/test that you had in fact cut the correct
trace,
and it would depend on the phone, and you would
On Sat, 26 Jun 2004, J.A. Terranson wrote:
a mikropower jammer,
Only if you are willing to forego the phone as well, in which case, just
remove the battery pack :-)
I am assuming here that the phone has a dual receiver, one of the GPS
signal and one of the cellular service itself. As both
At 02:02 AM 6/27/04 +0200, Thomas Shaddack wrote:
Can it be disabled by hardware hack of the phone, a mikropower jammer,
or
using an unofficial firmware?
It would be hard to verify/test that you had in fact cut the correct
trace,
and it would depend on the phone, and you would void your
At 11:53 PM 6/26/04 -0500, J.A. Terranson wrote:
Yes, I suppose that the more technical amongst us could selctively jam
only the one signal, however, cellular phones are mighty low power
devices,
They can put half (?) a watt out, some of it absorbed by your brain
and hand BTW.
and I would not
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
Go for the head shot, they're wearing body armor
If at close range, it is far easier to simply throw water at them prior
to
firing. For one, the water acts as apowerful lubricant, effectively
removing the armor,
huh? Wet kevlar is still
J.A. Terranson [EMAIL PROTECTED] wrote:
Interestingly, some [early] models had external antenna jacks built in to
them.
Many still have test jacks on them. Both my old Samsung A500 and my
current Sanyo SCP-8100 have a connector (either MC or SMA, IIRC) on the
back hidden under a rubber plug.
At 07:21 AM 6/26/04 -0400, R. A. Hettinga wrote:
http://www.nytimes.com/2004/06/26/technology/26ALIB.html?th=pagewanted=printposition=
The New York Times
June 26, 2004
For Liars and Loafers, Cellphones Offer an Alibi
By MATT RICHTEL
Eventually the cellphones will be able to tell another phone
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
At 11:56 PM 6/26/04 -0500, J.A. Terranson wrote:
Hrmmm... Cell Phone. TEMPEST Case.
What's wrong with this picture???
1. You can't receive calls. Only make outgoing, from a location
which is known to fascists.
Let's try again. TEMPEST
http://www.nytimes.com/2004/06/26/technology/26ALIB.html?th=pagewanted=printposition=
The New York Times
June 26, 2004
For Liars and Loafers, Cellphones Offer an Alibi
By MATT RICHTEL
AN FRANCISCO, June 25 - Cellphones are chock-full of features like built-in
cameras, personalized ring tones
At 12:41 AM 6/27/04 -0500, J.A. Terranson wrote:
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
At 11:56 PM 6/26/04 -0500, J.A. Terranson wrote:
Hrmmm... Cell Phone. TEMPEST Case.
What's wrong with this picture???
1. You can't receive calls. Only make outgoing, from a location
which
At 11:56 PM 6/26/04 -0500, J.A. Terranson wrote:
Hrmmm... Cell Phone. TEMPEST Case.
What's wrong with this picture???
1. You can't receive calls. Only make outgoing, from a location
which is known to fascists.
2. Use it for your toll-road-transponder too.
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
Eventually the cellphones will be able to tell another phone approx
where they are. [...] The marketing reason would be to help people
find others geographically.
At least with GSM, the base station always knows the approximate
distance to the
J.A. Terranson [EMAIL PROTECTED] wrote:
You assume that Jane's only problem is equipment procurement. Alas,
Jane's biggest problem has not changed much in the last 100 years:
knowledge. Jane doesn't know this is an issue that she might need help
with.
People who don't know they need such
Just for the record, after writing that last missive, which reflects an
experience almost 25 years old, I did some quick googling on current body
armor.
My experience *probably* does not hold with the latest (post 1999) fiber
systems. But I still wouldn't bet my life on it.
--
Yours,
J.A.
At 12:01 AM 6/27/04 -0500, J.A. Terranson wrote:
Interestingly, some [early] models had external antenna jacks built in
to
them.
Again I am a few Moore's generations behind. (Does that make me a
semi-Amish atheist?
Or a reformed Luddite?) Where I vacation sometimes, I would
need a metallized
Eugen Leitl [EMAIL PROTECTED] wrote:
Jamming GPS is no problem, but then they'll just triangulate you within the
cell. The only way to prevent that would be to switch off, andn to pull the
battery (unless the firmware is open source, and peer-reviewed).
A little poking around on google reveals
On Sat, 26 Jun 2004, J.A. Terranson wrote:
Eventually the cellphones will be able to tell another phone approx
where they are. Remember the 911-locator fascism?
I hate to break the news to you Major, but GPS enabled phones cannot be
instructed to turn off the GPS feature for law
At 12:25 AM 6/27/04 -0500, Riad S. Wahby wrote:
Triangluating on a non-isotropic antenna should be quite a bit
harder...
Bingo. Watch your sidelobes, baby.
On Sat, Jun 26, 2004 at 10:46:53PM -0700, Major Variola (ret) wrote:
At 12:25 AM 6/27/04 -0500, Riad S. Wahby wrote:
Triangluating on a non-isotropic antenna should be quite a bit
harder...
Bingo. Watch your sidelobes, baby.
Triangulation by signal strength is one thing, triangulation by
On Sat, 26 Jun 2004, Major Variola (ret) wrote:
I'm fully aware the pigs track you unless the battery is removed or you
have a TEMPEST case. I'm suggesting that regular citizens will have
access to that, if (in my cluelessness) they don't already.
If the phone is shielded, it can't
On Sun, 27 Jun 2004, Thomas Shaddack wrote:
On Sat, 26 Jun 2004, J.A. Terranson wrote:
Eventually the cellphones will be able to tell another phone approx
where they are. Remember the 911-locator fascism?
I hate to break the news to you Major, but GPS enabled phones cannot be
On Sun, 27 Jun 2004, Thomas Shaddack wrote:
On Sat, 26 Jun 2004, J.A. Terranson wrote:
a mikropower jammer,
Only if you are willing to forego the phone as well, in which case, just
remove the battery pack :-)
I am assuming here that the phone has a dual receiver, one of the GPS
On Sun, 27 Jun 2004, Eugen Leitl wrote:
Triangulation by signal strength is one thing, triangulation by relativistic
ToF (time of flight) -- while still not present in consumer gadgets -- is far
more difficult to fool. Especially if it's tied into the protocol, that
you're getting position
On Sun, Jun 27, 2004 at 02:02:24AM +0200, Thomas Shaddack wrote:
Can it be disabled by hardware hack of the phone, a mikropower jammer, or
using an unofficial firmware?
Jamming GPS is no problem, but then they'll just triangulate you within the
cell. The only way to prevent that would be to
On Sun, 27 Jun 2004, Riad S. Wahby wrote:
J.A. Terranson [EMAIL PROTECTED] wrote:
Interestingly, some [early] models had external antenna jacks built in to
them.
Many still have test jacks on them. Both my old Samsung A500 and my
current Sanyo SCP-8100 have a connector (either MC or
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