# Uncategorized

**URL:** https://forums.jcsda.org/c/uncategorized/1.md

[Latest](https://forums.jcsda.org/latest.md) · [Categories](https://forums.jcsda.org/categories.md)

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## [Welcome to Discourse](https://forums.jcsda.org/t/welcome-to-discourse/7)

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**Author:** [@system](https://forums.jcsda.org/u/system)\
**Replies:** 0\
**Last updated:** [August 6, 2020, 8:22pm UTC](https://forums.jcsda.org/t/welcome-to-discourse/7 "2020-08-06T20:22:15Z")

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JCSDA software products include the Joint Effort in Data assimilation Integration (JEDI), the Sea-Ice Ocean and Coupled Assimilation (SOCA) system, and the Community Radiative Transfer Model (CRTM). These forums are int…

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## [JEDI-MPAS Error with Thompson Tables](https://forums.jcsda.org/t/jedi-mpas-error-with-thompson-tables/738)

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**Author:** [@amercer](https://forums.jcsda.org/u/amercer)\
**Replies:** 4\
**Last updated:** [April 17, 2026, 7:29pm UTC](https://forums.jcsda.org/t/jedi-mpas-error-with-thompson-tables/738 "2026-04-17T19:29:53Z")

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I am new to MPAS-JEDI and am trying to assimilate Nexrad Level II data to a single time in an existing MPAS regional simulation. I have successfully generated the appropriately formatted ioda file (I think), as well as t…

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## [SOCA tutorial - how to run the ocean observer](https://forums.jcsda.org/t/soca-tutorial-how-to-run-the-ocean-observer/718)

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**Author:** [@jsouza\_psl](https://forums.jcsda.org/u/jsouza_psl)\
**Replies:** 0\
**Last updated:** [February 11, 2026, 5:53pm UTC](https://forums.jcsda.org/t/soca-tutorial-how-to-run-the-ocean-observer/718 "2026-02-11T17:53:24Z")

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I want to run the ocean observer on my MOM6 results. I was looking for the tutorial to help me get this running and provide a template for the config files. However, I see that the tutorial was removed about a year ago f…

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## [SOCA-Tutorial; problem with TOPO\_CONFIG](https://forums.jcsda.org/t/soca-tutorial-problem-with-topo-config/717)

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**Author:** [@jsouza\_psl](https://forums.jcsda.org/u/jsouza_psl)\
**Replies:** 1\
**Last updated:** [February 10, 2026, 11:01pm UTC](https://forums.jcsda.org/t/soca-tutorial-problem-with-topo-config/717 "2026-02-10T23:01:24Z")

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Hi there. I have a recent build of the jedi-bundle, and am now trying to run a couple of examples contained in the soca-tutorial that I cloned from: While following the instructions for both “soca\_hofx3d.x” and “soca…

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## [Help crtm\_coeffs2.4](https://forums.jcsda.org/t/help-crtm-coeffs2-4/681)

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**Author:** [@fzr111](https://forums.jcsda.org/u/fzr111)\
**Replies:** 0\
**Last updated:** [May 20, 2025, 3:13am UTC](https://forums.jcsda.org/t/help-crtm-coeffs2-4/681 "2025-05-20T03:13:01Z")

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Is the crtm\_coeffs2.3 coefficient file compatible with the crtm\_coeffs2.4 version in my WRFDA 2.3? If not, could you provide the latest crtm\_coeffs file suitable for Himawari-9? thanks

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## [Are Singularity and Containers mandatory to run JEDI-MPAS?](https://forums.jcsda.org/t/are-singularity-and-containers-mandatory-to-run-jedi-mpas/307)

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**Author:** [@jediguy](https://forums.jcsda.org/u/jediguy)\
**Replies:** 4\
**Last updated:** [May 15, 2025, 2:20am UTC](https://forums.jcsda.org/t/are-singularity-and-containers-mandatory-to-run-jedi-mpas/307 "2025-05-15T02:20:36Z")

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I finally successfully built JEDI-MPAS without Containers after falling back to Eigen 3.3.9. Appreciate this forum’s help regarding my Eigen issue. Now I’m ready to start running JEDI-MPAS. For background, I am runnin…

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## [Compilation Errors with RTTOV](https://forums.jcsda.org/t/compilation-errors-with-rttov/656)

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**Author:** [@Melani](https://forums.jcsda.org/u/Melani)\
**Replies:** 0\
**Last updated:** [February 6, 2025, 1:24pm UTC](https://forums.jcsda.org/t/compilation-errors-with-rttov/656 "2025-02-06T13:24:01Z")

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Hi, I tried to compile JEDI-MPAS with RTTOV 13.2, but the compilation stopped with several errors. The first issue is related to the lack of class “mixratio\_to\_ppmv” that there is no present anywhere, as described be…

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## [Problems running ioda\_connverter on HERA](https://forums.jcsda.org/t/problems-running-ioda-connverter-on-hera/646)

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**Author:** [@jsouza\_psl](https://forums.jcsda.org/u/jsouza_psl)\
**Replies:** 2\
**Last updated:** [January 2, 2025, 5:36pm UTC](https://forums.jcsda.org/t/problems-running-ioda-connverter-on-hera/646 "2025-01-02T17:36:44Z")

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Hi, new to JEDI here. I just built the jedi-bundle on HERA, with the -DBUILD\_IODA\_CONVERTERS=ON option. After some experimentation with modules and configurations, the process went (mostly) without errors. Once the bui…

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## [Compile fms in jedi-bundle issue](https://forums.jcsda.org/t/compile-fms-in-jedi-bundle-issue/644)

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**Author:** [@zsimin97](https://forums.jcsda.org/u/zsimin97)\
**Replies:** 0\
**Last updated:** [December 16, 2024, 6:28pm UTC](https://forums.jcsda.org/t/compile-fms-in-jedi-bundle-issue/644 "2024-12-16T18:28:35Z")

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I am trying fms with fv3 within the jedi-bundle, but failed to compile fms part. Initially, I tried to compile fms together with other components directly in the CMakeLists.txt of jedi-bundle. However, the FMS module se…

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## [Where to find documentation on YAML configs for each compiled program](https://forums.jcsda.org/t/where-to-find-documentation-on-yaml-configs-for-each-compiled-program/636)

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**Author:** [@bigveech](https://forums.jcsda.org/u/bigveech)\
**Replies:** 0\
**Last updated:** [November 4, 2024, 9:20pm UTC](https://forums.jcsda.org/t/where-to-find-documentation-on-yaml-configs-for-each-compiled-program/636 "2024-11-04T21:20:54Z")

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Hello, Working through trying to run a 3DVar DA run using MPAS JEDI. I’m using the YAML files in the testinput folder to try to figure out how to run everything. Is there documentation somewhere that can tell me what ea…

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## [Buiding Stack on Mac](https://forums.jcsda.org/t/buiding-stack-on-mac/625)

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**Author:** [@xtian15](https://forums.jcsda.org/u/xtian15)\
**Replies:** 8\
**Last updated:** [September 27, 2024, 3:16pm UTC](https://forums.jcsda.org/t/buiding-stack-on-mac/625 "2024-09-27T15:16:07Z")

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Could you please open up the access to this file Minimum steps for working with JEDI natively on Mac OS to the public? Thank you!

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## [The videos on JEDI academics page is not available for viewing](https://forums.jcsda.org/t/the-videos-on-jedi-academics-page-is-not-available-for-viewing/589)

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**Author:** [@Pubali](https://forums.jcsda.org/u/Pubali)\
**Replies:** 1\
**Last updated:** [July 29, 2024, 4:35pm UTC](https://forums.jcsda.org/t/the-videos-on-jedi-academics-page-is-not-available-for-viewing/589 "2024-07-29T16:35:34Z")

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Hello everyone. I am new to JEDI SOCA, trying to understand the basics. The videos on the JEDI academics page are not available for viewing. Could anyone please help

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## [No ecbuild when using the singularity build](https://forums.jcsda.org/t/no-ecbuild-when-using-the-singularity-build/563)

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**Author:** [@sjfletcher](https://forums.jcsda.org/u/sjfletcher)\
**Replies:** 22\
**Last updated:** [May 6, 2024, 5:59pm UTC](https://forums.jcsda.org/t/no-ecbuild-when-using-the-singularity-build/563 "2024-05-06T17:59:34Z")

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I have pulled the developers image and have followed the description available online as far as the ecbuild line but then it says ecbuild not known. Do we have to install ecbuild or is it supposed to be in the image? t…

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## [Missing value encountered in nicas](https://forums.jcsda.org/t/missing-value-encountered-in-nicas/488)

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**Author:** [@xtian15](https://forums.jcsda.org/u/xtian15)\
**Replies:** 0\
**Last updated:** [July 10, 2023, 3:30pm UTC](https://forums.jcsda.org/t/missing-value-encountered-in-nicas/488 "2023-07-10T15:30:46Z")

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Hi, The nicas training is getting terminated due to missing values at some levels in some samples. This does not always happen but pops up occasionally in a few samples. Below is an example in the case of cloud liquid w…

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## [Nicas keeps getting terminated](https://forums.jcsda.org/t/nicas-keeps-getting-terminated/485)

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**Author:** [@xtian15](https://forums.jcsda.org/u/xtian15)\
**Replies:** 5\
**Last updated:** [July 7, 2023, 3:27pm UTC](https://forums.jcsda.org/t/nicas-keeps-getting-terminated/485 "2023-07-07T15:27:31Z")

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Hi, I am trying to train a static B at c192 resolution with release v4. The nicas step for ozone mixing ratio and specific humidity keeps getting terminated with the following messages Info : Count and…

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## [Unable to build FV3 due to MPI](https://forums.jcsda.org/t/unable-to-build-fv3-due-to-mpi/427)

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**Author:** [@andythewxman](https://forums.jcsda.org/u/andythewxman)\
**Replies:** 1\
**Last updated:** [January 12, 2023, 10:08pm UTC](https://forums.jcsda.org/t/unable-to-build-fv3-due-to-mpi/427 "2023-01-12T22:08:52Z")

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New user here, trying to build fv3 for the first time. I am getting the following message while trying to build oops: Could NOT find MPI\_C Could NOT find MPI\_CXX Could NOT find MPI\_Fortran First question: are these …

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## [Can't download fix\_REL-2.4.0.tgz](https://forums.jcsda.org/t/cant-download-fix-rel-2-4-0-tgz/291)

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**Author:** [@jomfaq](https://forums.jcsda.org/u/jomfaq)\
**Replies:** 0\
**Last updated:** [March 23, 2022, 3:16pm UTC](https://forums.jcsda.org/t/cant-download-fix-rel-2-4-0-tgz/291 "2022-03-23T15:16:46Z")

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When I attempt to download the fix\_REL-2.4.0.tgz file using: sh Get\_CRTM\_Binary\_Files.sh I get: downloading fix\_REL-2.4.0.tgz, please wait about 5 minutes (3.2 GB tar file) tar (child): fix\_REL-2.4.0.tgz: Cannot open…

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## [Unable to compiling crtm-tutorial with crtm-2.3.0 gcc](https://forums.jcsda.org/t/unable-to-compiling-crtm-tutorial-with-crtm-2-3-0-gcc/395)

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**Author:** [@Rajsharma](https://forums.jcsda.org/u/Rajsharma)\
**Replies:** 1\
**Last updated:** [October 5, 2022, 12:17am UTC](https://forums.jcsda.org/t/unable-to-compiling-crtm-tutorial-with-crtm-2-3-0-gcc/395 "2022-10-05T00:17:10Z")

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Hello StegmannJCSDA, As per your suggestion i have compiled crtm-2.3.0 with gcc compiler successfully. below is the module i have use for compiling: - $ module load gnu/lib/hdf5/1.10.0 gnu/lib/netcdf\_c/4.6.0 gnu/lib/l…

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## [How to continue run MPAS model after data assimilation in MPAS-JEDI](https://forums.jcsda.org/t/how-to-continue-run-mpas-model-after-data-assimilation-in-mpas-jedi/379)

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**Author:** [@cyemeng](https://forums.jcsda.org/u/cyemeng)\
**Replies:** 1\
**Last updated:** [September 16, 2022, 9:51am UTC](https://forums.jcsda.org/t/how-to-continue-run-mpas-model-after-data-assimilation-in-mpas-jedi/379 "2022-09-16T09:51:41Z")

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This may be a stupid questions, but I get no idea how to do this. I followed the tutorial and finally generate analysis filed Data/states/mpas.3dvar.2019-08-08\_12.00.00.nc. I tried to take this file as MPAS model initi…

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## [Building jedi-mpas - error in Eigen operator \*](https://forums.jcsda.org/t/building-jedi-mpas-error-in-eigen-operator/305)

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**Author:** [@jediguy](https://forums.jcsda.org/u/jediguy)\
**Replies:** 8\
**Last updated:** [June 16, 2022, 11:49pm UTC](https://forums.jcsda.org/t/building-jedi-mpas-error-in-eigen-operator/305 "2022-06-16T23:49:36Z")

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I’m trying to build jedi-mpas and have hit on an error regarding Eigen as follows: Error message – /home/me/jedi/src/mpas-bundle/oops/src/oops/assimilation/MinimizerUtil s.h:119:21: error: no match for ‘operator\*’ (ope…

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## [Future of JEDI Junctions](https://forums.jcsda.org/t/future-of-jedi-junctions/328)

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**Author:** [@mpagowski](https://forums.jcsda.org/u/mpagowski)\
**Replies:** 0\
**Last updated:** [May 23, 2022, 8:13pm UTC](https://forums.jcsda.org/t/future-of-jedi-junctions/328 "2022-05-23T20:13:08Z")

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Are they returning in Boulder? Either online or in person would work: help with using weak constraint in FV3

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## [How to unsubscribe JCSDA forum](https://forums.jcsda.org/t/how-to-unsubscribe-jcsda-forum/278)

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**Author:** [@hclin](https://forums.jcsda.org/u/hclin)\
**Replies:** 0\
**Last updated:** [February 25, 2022, 5:18pm UTC](https://forums.jcsda.org/t/how-to-unsubscribe-jcsda-forum/278 "2022-02-25T17:18:24Z")

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In JCSDA news letter, it says: To unsubscribe, please send an email to jcsda-info@ucar.edu But an email to that address failed with the error of “Your message wasn’t delivered to jcsda-info@ucar.edu because the address …

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## [Python path when ecbuilding fv3-bundle](https://forums.jcsda.org/t/python-path-when-ecbuilding-fv3-bundle/113)

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**Author:** [@junpark217](https://forums.jcsda.org/u/junpark217)\
**Replies:** 7\
**Last updated:** [August 23, 2021, 3:53pm UTC](https://forums.jcsda.org/t/python-path-when-ecbuilding-fv3-bundle/113 "2021-08-23T15:53:41Z")

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Hi, I am testing JEDI FV3 at TACC stampede2 and I want to know how to specify python version or path when ecbuilding JEDI FV3 (fv3-bundle). TACC stampede2 has a python2 executable at ‘/usr/bin’ and thus, it seems to loc…

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## [Obs filtering](https://forums.jcsda.org/t/obs-filtering/112)

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**Author:** [@andytangborn](https://forums.jcsda.org/u/andytangborn)\
**Replies:** 1\
**Last updated:** [July 20, 2021, 8:31pm UTC](https://forums.jcsda.org/t/obs-filtering/112 "2021-07-20T20:31:17Z")

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I’ve just run into a problem when I apply obs filtering in the hyb-3dvar\_gfs\_aero.yaml file that didn’t occur before. And I wonder if recent changes to the .nc4 file structure are the cause. When I try to filter obs usi…

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## [Obtaining quantities like OLR and RSR from CRTM](https://forums.jcsda.org/t/obtaining-quantities-like-olr-and-rsr-from-crtm/97)

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**Author:** [@vmeijer](https://forums.jcsda.org/u/vmeijer)\
**Replies:** 2\
**Last updated:** [June 15, 2021, 12:42pm UTC](https://forums.jcsda.org/t/obtaining-quantities-like-olr-and-rsr-from-crtm/97 "2021-06-15T12:42:29Z")

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I’m looking into the possibility of simulating GOES-16 radiances for a wide range of atmospheric conditions in order to train a regression using those radiances to predict quantities like OLR and RSR. It seems that CRTM …

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## [AtmSfcInterp in UFO](https://forums.jcsda.org/t/atmsfcinterp-in-ufo/87)

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**Author:** [@ytangnoaa](https://forums.jcsda.org/u/ytangnoaa)\
**Replies:** 0\
**Last updated:** [April 14, 2021, 5:22pm UTC](https://forums.jcsda.org/t/atmsfcinterp-in-ufo/87 "2021-04-14T17:22:16Z")

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I tried to add something into the AtmSfcInterp. However, I noticed that that obs operator is not activated, and no corresponding ctest is available. I tried to test it with dummy data, but encountered AtmSfcInterp does …

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## [CRTM forum?](https://forums.jcsda.org/t/crtm-forum/33)

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**Author:** [@mmiesch](https://forums.jcsda.org/u/mmiesch)\
**Replies:** 3\
**Last updated:** [August 7, 2020, 6:08pm UTC](https://forums.jcsda.org/t/crtm-forum/33 "2020-08-07T18:08:58Z")

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Welcome @BenjaminTJohnson - we’re evaluating this forum as a potential user support tool for the public release of JEDI. Let me know if you want us to create a CRTM category. We’re on a free trial now - the basic prici…
