At 04:20 PM 6/28/04 +0200, Nomen Nescio wrote: >From: a.melon@ >Major Variola (ret) ([EMAIL PROTECTED]) 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.
