Can i ask something about my project?
Its about my autonomous robot. Its using a SkyNav SKM53.module as my GPS tracker.
As i know, my GPS on robot was using a Navigation Solution Technique and it give a poor in positioning that is in meter level.
So that, my robot also influenced in giving its positioning.
I want to upgrade it by using DGPS technique. So that my robot can give a good in positioning or better.
Can u teach me how?
-My robot was using a 10 DOF IMU
-SkyNav SKM53 GPS
DGPS is not something you can do just by programming an Arduino. It has to be implemented in the GPS receiver itself.
Your module already supports it, but the service may not be available in your area. Even with it, you can't expect even +/- 1 meter accuracy and sometimes, it will be much worse than that.
Ouh i see.
What u r saying that DGPS technique we cant just do it just by program. It was use by receiver itself right?
Should i change the receiver ?
So that i can improve my accuracy in its positioning.
Or there is another better idea to improve my accuracy.
I wonder if he means to try his own similar to the SOLOSHOT.
This may help explain.
nafiq4:
What do u mean by 'my module already supports it, but the service may not be available in my area' ?
For DGPS to work it has to be given correction information.
There are various services that supply this information for a fee.
These vary by geographical location.
The alternative is to supply the correction signal yourself using a second fixed reciever locally.
Above link explains.
Example
Your module supports WAAS which it receives via satellite from ground stations across the USA
It increases accuracy to a few metres but only if you are in the USA.
Using modules like the one in my link and using a service that uses RTK reduces the error to centimetres.
In order for it to work though the receiver has to be able to see 7 satellites.
It's good for farmers in open fields but if there are trees or buildings etc it looses its accuracy.