Phone recommendation with good precision

[Felipe Karelovic]

Hi!

I am not a Gnss expert but as far as I have read, accurate location isn't a worrisome for manufacturers nor main consumers, so is almost a matter of luck when selecting to buy a phone for fieldwork. A 5m accuracy is ok for my job, but I am more concerned about precision.

 For example now I have a poco F3 (naively bought it partially because it double band capabilities) but precision is bad. If I try returning to a point I previously marked (physically and in device), the phone tells me that I am at the exact same point but actually I am at least two meters from the physical flag. The phone I had before (Samsung s10e exynos) had almost within meter precision.

That's why I straightforward ask here for (personal) recommendations of devices with nice precision, since accuracy is a hot topic in phone gnss. I am at Chile and fieldwork is often in areas without network signal, so "SBASless" opinions are encouraged.

Thanks in advance!

[Robert Enger]

Is there some sort of UBLOX usb dongle that makes better sense?  Plug it into a laptop computer.  They claim high precision...

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