> You've done an exceptional job of proving you have no idea what you're talking about. (Hint: I write software for a govt. contractor that builds drones and th

> You've done an exceptional job of proving you have no idea what you're talking about. (Hint: I write software for a govt. contractor that builds drones and their control stations) That's great, but you did not actually address the parent's point that GPS is jammable. Perhaps you are thinking of other methods of navigation that are accurate enough for long-term flying? Enlighten us, please, rather than responding to people with your job description. Otherwise, you're not really adding anything to the conversation.