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GNSS Receiver Position Update Rate

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(@amdomag)
Posts: 650
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Topic starter
 

Hi guys!

I am just curious regarding the supported GNSS receiver position update rate values among brands and models. Mine is Leica GS09 GNSS with update rate value of 5hz. Leica GS15/GS10 supports up to 20hz of update rate. Altus supports a bit higher rate of 25hz. What's the significance of update rate in terms of field work? What types of work a 5hz GNSS receiver can't cope up?

Thank you so much.

Regards.

 
Posted : January 24, 2012 9:58 pm
(@jim-frame)
Posts: 7277
 

> What types of work a 5hz GNSS receiver can't cope up?

If your receiver is moving at 10 mph, a 5hz update rate will give you a position about every 3 feet. At normal walking speed, that's a position every foot or so. If you're going to be moving faster than that, or need more finely-detailed update information, you want to pay for a higher update rate.

 
Posted : January 25, 2012 7:46 am
(@amdomag)
Posts: 650
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Topic starter
 

Thank you so much Jim.. 🙂

 
Posted : January 25, 2012 2:23 pm