gnssrefl is an open source software package for GNSS Interferometric Reflectometry (GNSS-IR). When showing results created using gnssrefl, please use:
Larson, K.M., gnssrefl: an open source python software package for environmental GNSS interferometric reflectometry applications, GPS Solutions, Vol. 28(165), 10.1007/s10291-024-01694-8, 2024.
Documentation:
gnssrefl also has a DOI from zenodo.
The latest pypi version can be found here 
Latest Feature - you can set beginning and end dates in daily_avg and subdaily. The parameters are
called date1 and date2. See the descriptions of these modules in the usual place.
Questions and bug reports for gnssrefl (but not the notebooks) must be submitted via the Issues button at the github repository. The notebooks were created by Earthscope with NASA funding. I formally asked Earthscope about maintenance of the notebooks and received the following response from them:
In general, we place maintenance of notebooks (and many of our apps) that are not in active production on the Low Priority list and I think it would be really healthy for our community to be willing to apply their expertise to provide fixes and enhancements to the notebook collection that can be reviewed in a pull request and merged for deployment.
Some new features:
You can now store coordinates for your local GNSS-IR sites. See file formats for more information. (A bug in this option was fixed in version 3.6.7. The previous version failed when you only had a single station in your file.)
A notebook version of this animation is also available if you would like to try changing parameters.
See documentation for gnssir_input for new refraction models.
How do you find out which version are you running? Any of the major pieces
of code should display this information on the first line. Try rinex2snr.
If you want to sign up for the GNSS-IR email list, please contact Kristine Larson.
If you want to access CDDIS, including orbits, you should make an account.
If you want to access to any Earthscope data, an account is required.
GNSS-IR was developed with funding from NSF (ATM 0740515, EAR 0948957, AGS 0935725, EAR 1144221, AGS 1449554) and
NASA (NNX12AK21G and NNX13AF43G). gnssrefl was initially developed
as a fun post-retirement project, followed by support from NASA (80NSSC20K1731).
The CRC 1502 DETECT project and the University of Bonn supported this project from 2022-2024.
Kristine M. Larson
March 19, 2024
FAQs
A GNSS reflectometry software package
We found that gnssrefl demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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