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What geoid are you using for land surveying  

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Hanno
(@admin)
Member Admin
Joined: 1 year ago
Posts: 14
17/02/2020 12:33 pm  

Hi all, 

as you know we integrated already lots of CRS in Apglos Survey Wizard. But we would like to add more. So we want to know which geoids you are using.

Let us know. 

Thanks

Let's go easy. Let's go Apglos Survey Wizard


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Eddy B
(@eddy-b)
Active Member
Joined: 8 months ago
Posts: 6
17/02/2020 3:41 pm  

We in Belgium are using the hBG18.


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Jaccen
(@jaccen)
New Member
Joined: 5 months ago
Posts: 1
07/05/2020 7:04 am  

Canadian geoids

https://webapp.geod.nrcan.gc.ca/geod/data-donnees/geoid.php

HTv2.0 CGVD28:78 is the most common in Ontario with a transition to CGVD2013.

 

Provincial GIS for vertical and horizontal control:

https://www.gisapplication.lrc.gov.on.ca/cosineONT/Index.html?viewer=COSINE.OntarioViewer&locale=en-US

 

Other useful Canadian links (creating a login is free):

https://www.nrcan.gc.ca/maps-tools-publications/tools/geodetic-reference-systems-tools/canadian-spatial-reference-system-csrs/9052

https://www.nrcan.gc.ca/height-reference-system-modernization/9054

https://www.nrcan.gc.ca/maps-tools-publications/tools/geodetic-reference-systems-tools/data/10923

https://www.nrcan.gc.ca/maps-tools-publications/tools/geodetic-reference-systems-tools/tools-applications/10925

https://open.canada.ca/en/open-data

https://open.canada.ca/data/en/dataset/b3534942-31ea-59cf-bcc3-f8dc4875081a

https://geohub.lio.gov.on.ca/

 

Integration of NRCan's PPP tool would be much appreciated.  You could also take all the geoids and integrate GPS*H to convert ellipsoidal heights to ortho.

Automation of PPP and PPK would give a large advantage.  Examples would be the following:

-at the end of the day, the submission of RINEX to NRCAN is automated (the email method is the most foolproof--desktop app is buggy)

-you have heavy tree cover and cannot get a consistent fix.  Set up the rover for 15 minutes logging PPK to post-process it vs static and/or intermittent RTK shots

-time-tagging ( https://ig8g.com/out/faq/iG8_TimeTagging_001.pdf )

 

Cheers.

 


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Hanno
(@admin)
Member Admin
Joined: 1 year ago
Posts: 14
08/05/2020 7:41 am  

Thanks @jaccen I will check your links. 

Let's go easy. Let's go Apglos Survey Wizard


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