Re: Evidences for the ether


"Paul B. Andersen" <paul.b.andersen@xxxxxxxxxxxxxxxx> wrote in message
news:ecaha5$m96$1@xxxxxxxxxxxxxxxxxxx
| Sorcerer wrote:
| > "Paul B. Andersen" <paul.b.andersen@xxxxxxxxxxxxxxxx> wrote in message
| > news:ec791a$n1b$1@xxxxxxxxxxxxxxxxxxx
| > | Sorcerer wrote:
| > | > "Paul B. Andersen" <paul.b.andersen@xxxxxxxxxxxxxxxx> wrote in
message
| > | > news:ec408q$m0s$1@xxxxxxxxxxxxxxxxxxx
| > | > | Sorcerer wrote:
| > | > | > "Paul B. Andersen" <paul.b.andersen@xxxxxxxxxxxxxxxx> wrote in
| > message
| > | > | > news:ebvv8a$p7r$1@xxxxxxxxxxxxxxxxxxx
| > | > | > | Sorcerer wrote:
| > | > | > | > "Paul B. Andersen" <paul.b.andersen@xxxxxxxxxxxxxxxx> wrote:
| > | > | > | > | I want to know how the receiver computes its position.
| > | > | > | >
| > | > | > | > I've told you, the details of the algorithm varies from
| > manufacturer
| > | > | > | > to manufacturer. ANYONE can analyze data.
| > | > | > |
| > | > | > | Anyone but you?
| > | > | >
| > | > | > Even I.
| > | > | >
| > | > | > | I didn't ask for the details of the algorithm, I asked for
| > | > | > | the principle, which does not vary but is always the same.
| > | > | >
| > | > | > What is so difficult about triangulation? That IS the
principle.
| > | > | >
| > | > | > Construct a sphere of radius vt where v is the signal velocity
| > | > | > around each satellite and where the three spheres intersect is
| > | > | > where the receiver is.
| > | > |
| > | > | OK. We are making progress. :-)
| > | >
| > | > Now we are not. You asked if I know how it works and it is
| > | > BLATANTLY OBVIOUSLY do, you've said OK.
| > | >
| > | > | The question is now - how is the t determined?
| > | >
| > | > Use your brain... oops, you don't have one. Too bad, I'm
| > | > not interested in this kindergarten crap, you figure it out.
| > | >
| > | > I'll give you a hint:
| > | > "But the ray moves relatively to the initial point of k, when
measured
| > in
| > | > the stationary system, with the velocity c-v, so that
| > | >
| > | >
| > http://www.fourmilab.ch/etexts/einstein/specrel/www/figures/img31.gif
| > | >
| > | > v is zero when the satellite is directly overhead (smallest sphere,
| > least
| > | > atmosphere
| > | >
| > | > to penetrate at lower speed), so any height error is down to the
clock
| > being
| > | > wrong.
| > | >
| > | > GPS receivers regularly get altitude errors.
| > | >
| > | > Military standard GPS receivers have damaged clocks built in that
keep
| > pace
| > | > with the damaged clocks in the satellites, but that's a military
secret
| > I'm
| > | > not supposed to tell you about :-)
| > | >
| > | > See, when the US spots an incoming missile guided by GPS, all they
have
| > to
| > | > do is change the satellite clock or stated position to steer the
missile
| > | > into the water, then change it back again.
| > | >
| > | > It's a short hiatus in operations. One or two civilians then tap
their
| > | > receivers and either take it in for service or else shrug, shipping
is
| > too
| > | > slow to be affected by it much and anyway everyone got by without it
| > before
| > | > any were launched.
| > | >
| > | > The USA WANTS everyone to use GPS, then they have control.
| > | >
| > | > That is really how GPS works, and they'll be happy to sell you a
| > receiver,
| > | > too.
| > | >
| > | > You aren't so gullible you'd believe that crap they publish on the
| > internet,
| > | > surely?
| > | >
| > | > Hmm... I really think you are.
| > | >
| > | > Androcles.
| > |
| > | Did you notice that I didn't interrupt your verbose lecture?
| >
| > Yes. (Response to inline question, which is required and not an
| > interruption)
| >
| >
| > | But now, when we are at the end, I will assume that I am
| > | allowed to ask questions.
| > |
| > | And the question I will ask is the one you seem to be quite
| > | desperate to evade, and which you still haven't answered,
| > | namely how the receiver calculates the time it takes for
| > | the signal to go from the satellite to the receiver.
| >
| >
| > | Your answer so far is:
| > | "Use your brain... oops, you don't have one. Too bad, I'm
| > | not interested in this kindergarten crap, you figure it out."
| > |
| > | To sum it up:
| > | 1. We know the position of the satellite when the signal was sent.
| > | 2. We know the satellite clock time when the signal was sent.
| > | 3. We know the distance to the satellite is d = vt, where v is
| > | the known signal speed, and t is the time it takes for
| > | the signal to go from the satellite to the receiver.
| >
| >
| > Did you notice I didn't interrupt your verbose rant?
| >
| >
| > |
| > | The question you seem unable to answer is still:
| > | How does the receiver determine the time t it takes for
| > | the signal to go from the satellite to the receiver?
| >
| >
| > Asked and answered, learn to read or go back and find it.
| > You'll find it in the verbose lecture that you snipped.
|
| You are fooling nobody - not even yourself.
| You haven't answered because you can't. :-)
|
| > | If you cannot answer this question, you don't know
| > | how the GPS works. But this kindergarten stuff is
| > | easy to answer, isn't it?
| >
| > Yes. Did you notice I didn't interrupt your verbose rant?
|
| Indeed. No answer. You can't! :-)
|
| > | So why don't you?
| >
| > Do you still beat your mother?
| > Androcles
|
| Now it is thoroughly demonstrated that Androcles doesn't know
| how the GPS receivers calculate the time it takes for the signal
| to go from the satellite to the receiver.
| Since this time is - as Androcles so kindly has explained -
| necessary to know to determine the distance to the satellite,
| this means that Androcles doesn't know how the GPS works.
|
| Why am I not surprised? :-)


Now it is thoroughly demonstrated that Tusselad is a bigoted troll
who snips the information he requests. Don't Agder students take
notes in lectures?
Why am I not surprised?
Androcles


.

Relevant Pages

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  • Re: Evidences for the ether
    ... |> v is zero when the satellite is directly overhead (smallest sphere, ... |> to penetrate at lower speed), so any height error is down to the clock being ... |> GPS receivers regularly get altitude errors. ... |> That is really how GPS works, and they'll be happy to sell you a receiver, ...
    (sci.physics.relativity)