Rest Navi System?
Thread Starter
Member
Joined: Nov 2002
Posts: 148
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From: N. California
ML430, E500
Rest Navi System?
I have a 2001 CLK with Navi system.
This morning I found that when use the MAP funtion, the Navi is totally off by almost a mile. Through the trip, the Navi showed that I was driving though the San Francsico Bay.
Is there a mal function in the Navi system? or is there a way to reset the Navi somehow.
Thanks
This morning I found that when use the MAP funtion, the Navi is totally off by almost a mile. Through the trip, the Navi showed that I was driving though the San Francsico Bay.
Is there a mal function in the Navi system? or is there a way to reset the Navi somehow.
Thanks
Former Vendor of MBWorld
Joined: Jan 2002
Posts: 4,011
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From: global traveller
some slow@$$diesels
Re: Rest Navi System?
Originally posted by mco
Through the trip, the Navi showed that I was driving though the San Francsico Bay.
Through the trip, the Navi showed that I was driving though the San Francsico Bay.
greetingz,
Thread Starter
Member
Joined: Nov 2002
Posts: 148
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From: N. California
ML430, E500
On the Navi, it showed 7 to 8 satellites when it was malfunctioning yesterday.
Later yesterday, I popped out the Navi CD and reinserted it. Then it was functional again.
I think it may be just lack of signal too. It was very cloudy yesterday. I don't know if that would affect the satellite signal.
Later yesterday, I popped out the Navi CD and reinserted it. Then it was functional again.
I think it may be just lack of signal too. It was very cloudy yesterday. I don't know if that would affect the satellite signal.
Junior Member
Joined: Aug 2003
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It's cause we have the civilian GPS!!! Civilian GPS's are only accurate to what was it??? 30ft??? Miltary GPS's are supposedly accurate up to 1 meter or so. So even when you're receiving all 7 or 8 sats...doesn't matter.
Mine bounces off the service road then back to the highway sometimes...ah well...
This accuracy setting is controlled by the tax mafia<-Uncle Sam.
I think several years back Clinton allowed civilian GPS's to receive more accurate data....can't remember accurately what the accuracy increase was....hmmmm
What sucks is...we(US) paid for it...now everyone else get's to benefit from it...namely the countries who did not contribute to the cost of the 24 sat. floating up there.
Mine bounces off the service road then back to the highway sometimes...ah well...
This accuracy setting is controlled by the tax mafia<-Uncle Sam.
I think several years back Clinton allowed civilian GPS's to receive more accurate data....can't remember accurately what the accuracy increase was....hmmmm
What sucks is...we(US) paid for it...now everyone else get's to benefit from it...namely the countries who did not contribute to the cost of the 24 sat. floating up there.
Senior Member
Joined: Nov 2002
Posts: 270
Likes: 11
From: Arlington VA
'24 CLE 53
Typical Redbrick Post... BS
Join the 21st century or at least stop posting your inaccurate, out of date statements.
The selective accuracy feature is gone. That's what allowed the new generation of speed sensorless, no inertial nav gyro, car GPS systems. They could "dumb it down" for non-military users but they won't. Too many users, including US commercial aviation, now rely on this accuracy.
In case you were asleep, we have fought a couple of wars lately and didn't mess with the system.
What a military jet, a JDAM bomb, or your car sees is EXACTLY the same. I use military and civilian GPS gear daily so I'm not talking out of my anus like Redbrick. Sitting stationary on the deck a jet's GPS-based position will move around a bit. It used to be worse, even in military systems, but a number of features have made it better for everyone. My car's GPS has 7m accuracy at worst. That won't put you in the bay.
I suspect what happened is that the car may make been stationary for a few days. In that case the satellites have moved a tad since the last reading. This always causes initial errors until the GPS syncs again. I live next to golf course. After a few days of not driving my car, my initial position is on the course. After awhile it corrects itself. An even longer period is required to synch if you have kept the system off and traveled a few hundred miles. Hope this info helps.
The selective accuracy feature is gone. That's what allowed the new generation of speed sensorless, no inertial nav gyro, car GPS systems. They could "dumb it down" for non-military users but they won't. Too many users, including US commercial aviation, now rely on this accuracy.
In case you were asleep, we have fought a couple of wars lately and didn't mess with the system.
What a military jet, a JDAM bomb, or your car sees is EXACTLY the same. I use military and civilian GPS gear daily so I'm not talking out of my anus like Redbrick. Sitting stationary on the deck a jet's GPS-based position will move around a bit. It used to be worse, even in military systems, but a number of features have made it better for everyone. My car's GPS has 7m accuracy at worst. That won't put you in the bay.
I suspect what happened is that the car may make been stationary for a few days. In that case the satellites have moved a tad since the last reading. This always causes initial errors until the GPS syncs again. I live next to golf course. After a few days of not driving my car, my initial position is on the course. After awhile it corrects itself. An even longer period is required to synch if you have kept the system off and traveled a few hundred miles. Hope this info helps.
Last edited by BigHat; Aug 14, 2003 at 07:59 PM.
Junior Member
Joined: Aug 2003
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Okay, if my information is outdated, then I apologize to this forum. Very much like you, my intention was only to attempt to help / inform those of us around here.
I also don't know why you insult me in that manner?
Since you wear the bighat, please enlighten us with a few official links to substantiate your claims. I'm sure you're right.
Finally, in re: to the title of your post, can you substantiate that as well... for our benefit?
Thanks
I also don't know why you insult me in that manner?
Since you wear the bighat, please enlighten us with a few official links to substantiate your claims. I'm sure you're right.
Finally, in re: to the title of your post, can you substantiate that as well... for our benefit?
Thanks
Trending Topics
Senior Member
Joined: Nov 2002
Posts: 270
Likes: 11
From: Arlington VA
'24 CLE 53
Google on: GPS Selective Availabilty
Much written about this, but here are a few links on the issue:
http://gislounge.com/features/aa050200a.shtml
http://www.ngs.noaa.gov/FGCS/info/sa...mpare/ERLA.htm
http://www.ngs.noaa.gov/FGCS/info/sans_SA/
http://www.wsrcc.com/wolfgang/gps/accuracy.html
http://gislounge.com/features/aa050200a.shtml
http://www.ngs.noaa.gov/FGCS/info/sa...mpare/ERLA.htm
http://www.ngs.noaa.gov/FGCS/info/sans_SA/
http://www.wsrcc.com/wolfgang/gps/accuracy.html
Last edited by BigHat; Aug 15, 2003 at 06:09 AM.
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MBWorld Fanatic!
Joined: Jul 2002
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From: So Cal
W213 '17 E43 ///AMG - W211, W208 no more
Re: Typical Redbrick Post... BS
Originally posted by BigHat
Join the 21st century or at least stop posting your inaccurate, out of date statements.
Join the 21st century or at least stop posting your inaccurate, out of date statements.
why with all the hostility? outdated as it may be, it was still information that people may have not known, and may be of interest to others. you shouldn't take it so personal and attack others...
Junior Member
Joined: Aug 2003
Posts: 73
Likes: 0
must be a case of mistaken ID
Well, I'm pretty sure you must be mistaken. As you can confirm with the administrators here, I just joined (w/ privilege to post) about a week ago. You can even see the month/year I joined next to my name. Also would you consider the possibility there is another person out there, somewhere with the same alias?
Either case, what would you say, let's drop this issue and exchange cool info/tips/tricks of our fine cars erh?
Thanks for the post, btw.
Either case, what would you say, let's drop this issue and exchange cool info/tips/tricks of our fine cars erh?
Thanks for the post, btw.
