Re: The good news, of course, being...
Please send me your snail mail address. I will send you a few rolls of tinfoil.
As others have said, GPS, and GNSS in general, are passive. Untrackable.
Your cellphone is trackable, with our without GPS or any other GNSS.
In general, you do not need another antenna to track Galileo. The frequency is close enough to GPS that a single antenna and front end will work for both.
Biting the hand that feeds IT
