Silicon carbide in the machine

[Major Variola (ret)]

At 04:20 PM 6/28/04 +0200, Nomen Nescio wrote:
>From: a.melon@
>Major Variola (ret) (mv at cdc.gov) wrote on 2004-06-27:
>> Any signal you put out is trackable to you geographically, whether
its
>> a cell or GPS frequency.
>
>A GPS receiver doesn't broadcast its location. GPS works purely by
>analyzing the signals received from satellites. This is probably a
design
>goal for military use, as well as a consequence of power requirements.

Yes.  But a jammer will draw a Hellfire.

>There is no such thing as a GPS frequency.

I beg to differ, there are (perhaps >1) RF freq assigned to the
Constellation.

It seems that for CDMA or
>WCDMA phones the location service is defined in terms of messages on
the
>normal network layer, see a Google search for "position determination
service
>order".

Yes its cheaper and allowed (for now) to triangulate (to what, 100m?)
using physics; but GPS will become cheaper and cheaper.