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Precise Point Positioning with Ginan, Geoscience Australias Open Source GNSS Analysis Centre Software

<div>Ginan is a GNSS (Global Navigation Satellite System) analysis centre software that is currently being developed by Geoscience Australia in partnership with industry and academic partners. Ginan is fully open-source software based on the SSR (State Space Representation), PPP (Precise Point Positioning) model and is capable of computing precise positioning products, delivering real-time correction services, as well as operating as a user-driven precise positioning engine.</div><div><br></div><div>Ginan is a modern, multi-threaded C++ application that utilises industry standard high-performance libraries such as Eigen3, and Boost. Software configuration is managed through industry standard YAML (YAML Ain’t Markup Language) files. Standard IGS (International GNSS Service) file-based products are produced, and intermediate positioning products are managed in the open-source NoSQL MongoDB database and output is through standard Radio Technical Commission for Maritime Services-3 (RTCM3), IGS-SSR and Compact SSR message streams. At its core, Ginan is a customised and optimised Kalman filter that is tightly coupled with a data pre-processor and orbit integrator, enabling both real-time processing of industry standard RTCM3 data messages streams and post-processing using IGS positioning products.</div><div><br></div><div>The purpose of Ginan is to provide users with a unique multi-GNSS real-time processing platform capable of delivering precise positioning products to the Australian and international Positioning Navigation and Timing (PNT) community; support expert advice on navigation system performance over Australia; and provide state-of-the-art GNSS analysis centre software to universities and research organisations to enable Australia to lead in the development of geospatial technology. Ginan can be used for many geodetic and positioning activities such as computation of daily coordinate solutions, precise satellite orbit determination, computation of satellite clocks & biases, atmospheric modelling, data QA/QC and more. This paper describes the Kalman filter optimization methodology implemented in Ginan and provides benchmarking comparisons of Ginan against the International GNSS Service combined orbit and clock products.


Abstract presented at the 2024 Institute of Navigation (ION) Pacific Positioning, Navigation and Timing (PNT) Conference Honolulu, Hawaii

Simple

Identification info

Date (Creation)
2024-05-02T02:00:00
Date (Publication)
2024-08-19T01:25:33
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/149505

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Commonwealth of Australia (Geoscience Australia)

Voice
Author

McClusky, S.

Internal Contact
Author

Hammond, A.

External Contact
Author

Maj, R.

Internal Contact
Author

Allgeyer, S.

Internal Contact
Author

Harima, K.

Internal Contact
Author

Yeo, M.

External Contact
Author

Du, E.

Internal Contact
Author

Riddell, A.

Internal Contact
Name

Institute of Navigation (ION) Pacific Positioning, Navigation and Timing (PNT) Conference 15-18 April 2024, Honolulu, Hawaii

Purpose

Paper prepared to for 2024 Institute of Navigation Pacific: Positioning, Navigation and Timing conference

Status
Completed
Point of contact
Role Organisation / Individual Name Details
Resource provider

Space Division

External Contact
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Riddell, A.

Internal Contact
Spatial representation type
Topic category
  • Geoscientific information

Extent

N
S
E
W


Maintenance and update frequency
Not planned

Resource format

Title

Product data repository: Various Formats

Protocol

FILE:DATA-DIRECTORY

Name of the resource

Data Store directory containing the digital product files

Description

Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

Project
  • Positioning Australia

Project
  • Ginan

Keywords
  • Ginan: GNSS Analysis Centre Software

Keywords
  • Global Navigation Satellite Systems

Keywords
  • Precise Point Positioning PPP

theme.ANZRC Fields of Research.rdf
  • Satellite-based positioning

Keywords
  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

https://creativecommons.org/licenses/by/4.0/

Addressee
Role Organisation / Individual Name Details
User

Any

Use constraints
License
Use constraints
Other restrictions
Other constraints

(c) Commonwealth of Australia (Geoscience Australia) 2024

Resource constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Classification system

Australian Government Security Classification System

Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice facsimile
OnLine resource

Link to Conference Page

Link to Conference Page

Distribution format
OnLine resource

Link to Abstract

Link to Abstract

Distribution format

Resource lineage

Statement

<div>Conference paper created for ION Pacific 2024</div>

Metadata constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/e8c06a13-6341-4241-8ea8-899cf9c8121a

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Riddell, A.

Internal Contact

Type of resource

Resource scope
Document
Name

Journal Article / Conference Paper

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/149505

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/e8c06a13-6341-4241-8ea8-899cf9c8121a

Date info (Creation)
2024-08-19T01:14:59
Date info (Revision)
2024-08-19T01:14:59

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
http://pid.geoscience.gov.au/dataset/ga/122551

 
 

Spatial extent

N
S
E
W


Keywords

Ginan Positioning Australia
theme.ANZRC Fields of Research.rdf
Satellite-based positioning

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Associated resources

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