Re: [Talk-GB] accurate GPS

[Jez Nicholson]

*Ahem* no offence to Simon, obviouslyhe'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@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.
> >
>
> Indeed.
> For Simon to assume he got a single 2cm "accuracy" let alone
> consistently is naive. To believe it usurped OS's reading is silly.
>
> DaveF
>
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Re: [Talk-GB] accurate GPS

[Dave F via Talk-GB]

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.



Indeed.
For Simon to assume he got a single 2cm "accuracy" let alone 
consistently is naive. To believe it usurped OS's reading is silly.


DaveF

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Re: [Talk-GB] Sustrans & OSM

[Edward Bainton]

Thanks Jez, that's all very encouraging.

Local to me is Peterborough.

Yes will definitely aim to progress this to a national-level conversation -
I'll loop back here once it's clearer what they think their needs are. (or
better on Loomio? Another OSM channel, who'd ha' thunk it ;)

Ditto the NCN wiki.
On 10 Oct 2019 11:57, "Jez Nicholson"  wrote:

> Hi Ed,
>
> Good to see you lobbying on behalf of OSM. If they get really interested
> and you want to hook the national level organisation then give us a shout
> at OSMUK.
>
> BTW, where is 'local' for you?
>
> Looking on the bright side. Arguments *for* using OSM:
> 1. They/volunteers/helpers can add/edit locations that other mapping
> agencies might not be interested in, or might take a while to include
> 2. Creating and managing your own GIS infrastructure costs time, effort,
> and money
> 3. Other people are starting to trust OSM as a source, e.g. National Trust
> 4. Cycle maps often use OSM data
> 5. The data is somewhere where people can get hold of it if the want to
>
> Overpass Turbo is useful for querying http://overpass-turbo.eu/s/MZy and
> it has options to export or create a map.
>
> This is the type of activity that could end up as an OSMUK Quarterly
> Project and/or a specific tool could be built.
>
> That wiki page is mostly from 2009. It would be good to update it.
>
> Regards,
>  Jez
>
> On Thu, Oct 10, 2019 at 12:26 AM Dave F via Talk-GB <
> talk-gb@openstreetmap.org> wrote:
>
>> I've had the occasional limited discussions on social media. Arguments
>> against using OSM fall into
>>
>> 1. Claim of no cost to use OS data as it's via local authority licensing.
>> Unsure if it's all LAs
>> 2. They "wanted to use mapping that had 100% reliable data for the users
>> benefit."
>> 3. Mild resentment at being informed they may not be using the best
>> solution.
>>
>> Can you check if they have a sponsorship agreement with OS?
>>
>> DaveF
>>
>> On 09/10/2019 17:31, Edward Bainton wrote:
>>
>> Hi all
>>
>> I'm meeting the local Sustrans office next week as they've asked me to
>> compile a 'map' of the NCN mileposts in my area (I think they really mean
>> an inventory with locator maps).
>>
>> Obviously I'll be using OSM, and trying to get them to see the benefits of
>> doing the same. OSM seems to be largely unknown in the local office.
>>
>> 1. Does anyone know *any history of engaging with Sustrans*, to inform my
>> lobbying?
>> There's mention on the 
>> wiki
>>  
>> 
>> of
>> them making milepost locations available for mapping - but that's a long
>> time ago now.
>>
>> 2. Here's a sample 
>> page
>>  
>> 
>> of what they sent me as a precedent.
>> *Any suggestions for how to leverage OSM's capabilities to improve it?*
>> I ask as a non-techie. My own thoughts: put it online & wikify; 'live'
>> locator maps updating as OSM changes; filterable by NCN route.
>>
>> Thanks as ever
>>
>> Edward / eteb3
>>
>>
>>
>>
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Re: [Talk-GB] Sustrans & OSM

[Dave F via Talk-GB]

(Could you please ensure replies are sent to the forum. Thanks)

Roughly upto around 3-4 years ago, which is why I'm uncertain if a 
sponsorship arrangement is in place.


DaveF

On 10/10/2019 07:41, Edward Bainton wrote:

Thanks for that.

I will ask re any formal sponsorship etc

May I ask how long ago it is that you were in discussion with them?
On 10 Oct 2019 00:26, "Dave F via Talk-GB" 
wrote:


I've had the occasional limited discussions on social media. Arguments
against using OSM fall into

1. Claim of no cost to use OS data as it's via local authority licensing.
Unsure if it's all LAs
2. They "wanted to use mapping that had 100% reliable data for the users
benefit."
3. Mild resentment at being informed they may not be using the best
solution.

Can you check if they have a sponsorship agreement with OS?

DaveF

On 09/10/2019 17:31, Edward Bainton wrote:

Hi all

I'm meeting the local Sustrans office next week as they've asked me to
compile a 'map' of the NCN mileposts in my area (I think they really mean
an inventory with locator maps).

Obviously I'll be using OSM, and trying to get them to see the benefits of
doing the same. OSM seems to be largely unknown in the local office.

1. Does anyone know *any history of engaging with Sustrans*, to inform my
lobbying?
There's mention on the 
wiki
 

of
them making milepost locations available for mapping - but that's a long
time ago now.

2. Here's a sample 
page
 

of what they sent me as a precedent.
*Any suggestions for how to leverage OSM's capabilities to improve it?*
I ask as a non-techie. My own thoughts: put it online & wikify; 'live'
locator maps updating as OSM changes; filterable by NCN route.

Thanks as ever

Edward / eteb3




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Re: [Talk-GB] Sustrans & OSM

[Jez Nicholson]

Hi Ed,

Good to see you lobbying on behalf of OSM. If they get really interested
and you want to hook the national level organisation then give us a shout
at OSMUK.

BTW, where is 'local' for you?

Looking on the bright side. Arguments *for* using OSM:
1. They/volunteers/helpers can add/edit locations that other mapping
agencies might not be interested in, or might take a while to include
2. Creating and managing your own GIS infrastructure costs time, effort,
and money
3. Other people are starting to trust OSM as a source, e.g. National Trust
4. Cycle maps often use OSM data
5. The data is somewhere where people can get hold of it if the want to

Overpass Turbo is useful for querying http://overpass-turbo.eu/s/MZy and it
has options to export or create a map.

This is the type of activity that could end up as an OSMUK Quarterly
Project and/or a specific tool could be built.

That wiki page is mostly from 2009. It would be good to update it.

Regards,
 Jez

On Thu, Oct 10, 2019 at 12:26 AM Dave F via Talk-GB <
talk-gb@openstreetmap.org> wrote:

> I've had the occasional limited discussions on social media. Arguments
> against using OSM fall into
>
> 1. Claim of no cost to use OS data as it's via local authority licensing.
> Unsure if it's all LAs
> 2. They "wanted to use mapping that had 100% reliable data for the users
> benefit."
> 3. Mild resentment at being informed they may not be using the best
> solution.
>
> Can you check if they have a sponsorship agreement with OS?
>
> DaveF
>
> On 09/10/2019 17:31, Edward Bainton wrote:
>
> Hi all
>
> I'm meeting the local Sustrans office next week as they've asked me to
> compile a 'map' of the NCN mileposts in my area (I think they really mean
> an inventory with locator maps).
>
> Obviously I'll be using OSM, and trying to get them to see the benefits of
> doing the same. OSM seems to be largely unknown in the local office.
>
> 1. Does anyone know *any history of engaging with Sustrans*, to inform my
> lobbying?
> There's mention on the 
> wiki
>  
> 
> of
> them making milepost locations available for mapping - but that's a long
> time ago now.
>
> 2. Here's a sample 
> page
>  
> 
> of what they sent me as a precedent.
> *Any suggestions for how to leverage OSM's capabilities to improve it?*
> I ask as a non-techie. My own thoughts: put it online & wikify; 'live'
> locator maps updating as OSM changes; filterable by NCN route.
>
> Thanks as ever
>
> Edward / eteb3
>
>
>
>
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