[Loadstone] No Signal and Signal Acquired transitions.
charlieofalbany at hotmail.com
Sun Aug 12 00:19:28 BST 2007
OK, this makes sense.
----- Original Message -----
From: "Shawn Kirkpatrick" <shawn at odyssey.cm.nu>
To: <loadstone at loadstone-gps.com>
Sent: Saturday, August 11, 2007 1:33 AM
Subject: Re: [Loadstone] No Signal and Signal Acquired transitions.
> When the receiver starts up it has to download the efemeris data from the
> satellites to let it figure out where it is. It has to wait for this
> download to complete before it can start getting signal. If I remember
> correctly this data is sent every 30 seconds. So the receiver will have to
> wait for the data to be sent, correctly download it, and then it can get a
> gps signal. If there's any errors in the download then the process starts
> all over again. I guess if you're moving it can effect this download
> On Fri, 10 Aug 2007, Dave Mielke wrote:
>> [quoted lines by Charlie Richardson on 2007/08/10 at 20:18 -0400]
>>> Is it coincidence or a fact that GPS receivers don't acquire a signal if
>>> trying in motion.
>> Even though the first time is presented as "acquiring a signal", what it
>> means is that the receiver has to first figure out where it is on the
>> It's much easier for it to decide where it is if it isn't being moved
>> Dave Mielke | 2213 Fox Crescent | I believe that the Bible is
>> Phone: 1-613-726-0014 | Ottawa, Ontario | Word of God. Please contact
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