721
Flat Earth Theory / Re: How does FE think that GPS works?
« on: October 08, 2017, 11:52:21 PM »GPS works just fine within the High Frequency band. All planes are equipped with antenna for such GPS. They call it, over the horizon, in short meaning waaay long distance, towers can't reach, no such thing as satellites and we must bounce the digital packets off the ionosphere or dome. As I said you need communication to a home base receiver which its position is exact and you can find anything else.JMan doubling down on crazy. Can radio frequencies be bounced off the ionosphere? Yes. But it is an area of the atmosphere that ranges from 60 km (37 mi) to 1,000 km (620 mi). It's not an exact point that you reflect a signal from, you know, like a dome.
GPS works using mathematical calculations depending on exact timing of the signals and the distance they travel. (They being plural since is requires multiple satellite signals).
It couldn't possibly work by bouncing signals from balloons and base stations off random layers of the atmosphere.
You're really not helping your cause by just making up nonsense and posting it.
But in retrospect, the topic of the post was "How does FE think that GPS works?", so I guess you've answered that question.
Not so fast Mr. Deceiver
"Before the first communications satellites were launched in the 1960s, high-frequency (HF) radio was the principal means to communicate beyond the horizon."
"However, we are seeing a resurgence in HF radio, in part because new automatic link establishment (ALE) protocols now make HF a reliable, low-cost alternative to satellite."
http://urgentcomm.com/mobile_voice/mag/hf-radio-use-201103
Every plane today is equipped with HF for over the horizon GPS, bypassing satellites. So the truth is out, satellites aren't and were never needed, therefore they are a figment of your imagination.
"Once pushed aside by satellite communications, this radio type still is relevant for over-the-horizon communications."