[Talk-GB] accurate GPS
davefoxfac63 at btinternet.com
Sat Oct 12 09:36:01 UTC 2019
Oh, is /that/ what he's doing?
On 10/10/2019 17:47, Jez Nicholson wrote:
> *Ahem* no offence to Simon, obviously....he's just trying to check out a
> manufacturer's claims and opening a can of worms in the process.
> On Thu, Oct 10, 2019 at 5:18 PM Dave F via Talk-GB <
> talk-gb at openstreetmap.org> wrote:
>> On 09/10/2019 23:12, Warin wrote:
>>> I'd think to get that level of accuracy you 'd need readings over some
>>> considerable time... days?
>>> Otherwise you get bias from, as you hint, the atmospheric conditions,
>>> the satellites in view - their bias, angles ..
>>> Unless you have access to correction data, say from a local fixed GPS.
>> For Simon to assume he got a single 2cm "accuracy" let alone
>> consistently is naive. To believe it usurped OS's reading is silly.
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