Re: [Talk-us] Website showing the best time to survey with GPS.

2019-06-27 Thread Kevin Kenny
On Wed, Jun 26, 2019 at 6:20 PM Eric H. Christensen via Talk-us wrote: > I was told there was a website that forecasted the best times to do survey > work with GNSS based upon diversity of satellites in the sky, solar activity, > etc. Does anyone know what site this is? Nowadays, the

Re: [Talk-us] Website showing the best time to survey with GPS.

2019-06-27 Thread Eric H. Christensen via Talk-us
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 ‐‐‐ Original Message ‐‐‐ On Thursday, June 27, 2019 7:58 AM, Simon Poole wrote: > The answer the OP was looking for is likely https://www.gnssplanning.com/ Thank you!!! My Google-fu has been failing me lately. Eric -BEGIN PGP

Re: [Talk-us] Website showing the best time to survey with GPS.

2019-06-27 Thread Ian Dees
Also take a look at http://satpredictor2.deere.com/lookup, found by searching Google for "when is the best time for gps", which lead me to this interesting set of StackOverflow answers: https://gis.stackexchange.com/questions/181/is-gps-more-accurate-on-specific-hours-of-the-day, too. On Wed, Jun

Re: [Talk-us] Website showing the best time to survey with GPS.

2019-06-27 Thread Simon Poole
The answer the OP was looking for is likely https://www.gnssplanning.com/ signature.asc Description: OpenPGP digital signature ___ Talk-us mailing list Talk-us@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-us

Re: [Talk-us] Website showing the best time to survey with GPS.

2019-06-27 Thread Eric H. Christensen via Talk-us
I use GPSr devices other than what's in my smartphone. The point is that if all the satellites are clustered directly overhead the diversity isn't great enough to give a truly accurate position on the ground. For best surveying with a GPSr, you want satellites to not only be overhead but

[Talk-us] Careful, "st" can mean "stone" in some places | Re: Typical maxweight signs in USA? (editor developmnent question)

2019-06-27 Thread Rory McCann
On 25/06/2019 20:01, Mateusz Konieczny wrote: 25 Jun 2019, 17:47 by pe...@dobratz.us: Reading this page, I see the potential ambiguity extends deeper than I realized (short ton, metric ton, long ton) https://en.wikipedia.org/wiki/Tonne AFAIK all cases of "t" in USA on max weight signs means

Re: [Talk-us] Website showing the best time to survey with GPS.

2019-06-27 Thread Mateusz Konieczny
Note that for a typical GPS, especially GPS in smartphone I would expect that this effects will be not really noticeable in affecting accuracy. Maybe except massive solar storms like https://en.wikipedia.org/wiki/Solar_storm_of_1859 I tried to check sources, but quick search found nothing really