Re: [time-nuts] TBolt interference

2015-04-24 Thread Chris Albertson
On Fri, Apr 24, 2015 at 12:00 PM, Gary Fiber wrote: > Turn off the WiFi too. Many cell phones will keep track of WiFi locations > they have come across. And as I wrote, turn off the cell phone receivers too. They can use relative distance to multiple towers to triangulate your position. I bet

Re: [time-nuts] TBolt interference

2015-04-24 Thread Bob Camp
Hi I believe that you will find that all GPS devices are pretty easy to jam when you are right on top of the receiver. . The signals are so far down in the mud that it does not take a whole lot to mess up tracking them. Your little gizmo is likely putting out a signal that is massively stron

Re: [time-nuts] TBolt interference

2015-04-24 Thread Chris Albertson
On Fri, Apr 24, 2015 at 10:21 AM, Charles Steinmetz wrote: > John wrote: > >> I was interested in building a micro power GPS >> jammer to attach to my own phone to keep it from >> sending GPS coordinates. Can't you just go into settings and turn off Location Services? THAT would actually work BE

Re: [time-nuts] TBolt interference

2015-04-24 Thread Gary Fiber
Turn off the WiFi too. Many cell phones will keep track of WiFi locations they have come across. Gaining that information is as good as GPS and with the cell phone extraction equipment it is easy to do. Gary P. Fiber K8IZ > On Apr 24, 2015, at 10:21 AM, Charles Steinmetz wrote: > > John wro

Re: [time-nuts] TBolt interference

2015-04-24 Thread Don Latham
Gee. my phone has a place in settings to turn the gps off to save power. Am I being fooled? Don Charles Steinmetz > John wrote: > >>I was interested in building a micro power GPS >>jammer to attach to my own phone to keep it from >>sending GPS coordinates. > > Easy peasy. Open the phone, locate th

Re: [time-nuts] TBolt interference

2015-04-24 Thread Charles Steinmetz
John wrote: I was interested in building a micro power GPS jammer to attach to my own phone to keep it from sending GPS coordinates. Easy peasy. Open the phone, locate the GPS antenna, and wrap it in a small piece of aluminum foil. I've done several this way. Best regards, Charles ___

[time-nuts] TBolt interference

2015-04-24 Thread John Green
In reading the posts regarding a TBolt being interfered with by a close by GPS antenna/preamp/receiver, I don't have experience with Tbolts and interference but I do have some with the Z3801. I had my Z3801 running for a couple of years here at work. The antenna was a marine antenna mounted about a