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Dear FieldTrip community,</div>
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I am trying to follow the tutorial “Using a MEG phantom for validation and OPM calibration”:</div>
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<a href="https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.fieldtriptoolbox.org%2Ftutorial%2Fsource%2Fopm_phantom%2F&data=05%7C02%7Cfieldtrip%40science.ru.nl%7Ca9aa6a8f048a43ab20ad08df0e470e85%7C084578d9400d4a5aa7c7e76ca47af400%7C1%7C0%7C639245370961359258%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C40000%7C%7C%7C&sdata=6lFz2G7no3FonwS2myTkpw4LlCoujdvnL%2BQ%2BjynR54g%3D&reserved=0" originalSrc="https://www.fieldtriptoolbox.org/tutorial/source/opm_phantom/" id="OWA35963ebb-72f6-b9e1-9cb3-1c719d5ffe82" class="OWAAutoLink" data-rich-text-autolink="">https://www.fieldtriptoolbox.org/tutorial/source/opm_phantom/</a></div>
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The tutorial refers to the following CTF dataset:</div>
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phantom_3031000.01_20260721_01.ds</div>
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It also requires:</div>
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cad_mesh.mat</div>
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However, the corresponding directory on the FieldTrip download server appears to be empty:</div>
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<a href="https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdownload.fieldtriptoolbox.org%2Ftutorial%2Fopm_phantom%2F&data=05%7C02%7Cfieldtrip%40science.ru.nl%7Ca9aa6a8f048a43ab20ad08df0e470e85%7C084578d9400d4a5aa7c7e76ca47af400%7C1%7C0%7C639245370961384090%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C40000%7C%7C%7C&sdata=f%2F5VHUvwImjqMWyUvN81UFcexUMtUt4Jg5RtOkQXj5o%3D&reserved=0" originalSrc="https://download.fieldtriptoolbox.org/tutorial/opm_phantom/" id="OWA23a88117-fa8b-eb47-3c30-6c850f53ccfa" class="OWAAutoLink" data-rich-text-autolink="">https://download.fieldtriptoolbox.org/tutorial/opm_phantom/</a></div>
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Could you please let me know where I can download the CTF phantom dataset and cad_mesh.mat? If available, I would also appreciate information about downloading the FieldLine OPM recording used in the tutorial.</div>
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Thank you for your help.</div>
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Kind regards,<br>
Naidile S</div>
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