Author Topic: Max GPS height when it stops sending/receiving coordinates?  (Read 768 times)

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Offline RedEyeTopic starter

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Max GPS height when it stops sending/receiving coordinates?
« on: August 21, 2011, 07:53:49 AM »
Hello,

I was wondering whats the max height when a GPS lets say this one...
http://www.sparkfun.com/products/7951
...doesn't send information. And does a GPS actually send or just stores information?
If not how can i send it to a server/computer?

Cheers,

Leo

Offline Soeren

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Re: Max GPS height when it stops sending/receiving coordinates?
« Reply #1 on: August 21, 2011, 03:11:59 PM »
Hi,

I was wondering whats the max height when a GPS lets say this one...
[...]
...doesn't send information.
You mean like when sending a rocket or something up?

As long as the temperature doesn't go below the GPS units functional range, this will not be a problem you'll meet, as the satellites orbit at around 20,200 km and the signals will be available at the same distance on the "other side", so as long as your rocket doesn't go more than 40 thousand km out, the signals should be fine.


And does a GPS actually send or just stores information?
Neither, if you by send means "transmit wireless".
It communicates on a couple of wires and you do the rest - storing or transmitting.

You really need to read the manual!


If not how can i send it to a server/computer?
Like any other signal that you want to transfer.

Without knowing your application, it's hard to be precise.
Regards,
Søren

A rather fast and fairly heavy robot with quite large wheels needs what? A lot of power?
Please remember...
Engineering is based on numbers - not adjectives

Offline madchimp

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Re: Max GPS height when it stops sending/receiving coordinates?
« Reply #2 on: August 22, 2011, 06:30:03 AM »
Actually some gps modules do have an altitude limit. It's not a limitation of the system but a limit built into them, check out the link.
http://blog.jgc.org/2010/11/gaga-1-cocom-limit-for-gps.html

Offline Soeren

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Re: Max GPS height when it stops sending/receiving coordinates?
« Reply #3 on: August 22, 2011, 04:15:14 PM »
Hi,

That was new info for me, thanks!
Not that I have any problem with it, I prefer my toys to stay a bit closer to ground :)
Regards,
Søren

A rather fast and fairly heavy robot with quite large wheels needs what? A lot of power?
Please remember...
Engineering is based on numbers - not adjectives

 


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