Last Updated on January 19, 2023 by pg@petergamma.org
1. The paper about the Polar H10 accuracy of a Swiss group was partly funded by Polar:
https://pubmed.ncbi.nlm.nih.gov/31004219/
2. Rob ter Horst YouTube channel is as far as we know partly funded by advertising revenues from Google Ads, we suppose among the advertisers are Polar and Apple:
3. DC Rainmaker is partly funded by advertising revenues on his WordPress site:
and on YouTube:
https://www.youtube.com/@Dcrainmaker/about
On his WordPress site, we had a discussion with Ray about the Verity Sense firmware update:
https://www.dcrainmaker.com/2021/02/polar-verity-sense-optical-hr-sensor-band-in-depth-review.html
We will not continue the discussion with Ray there.
We repeat, our trust in sports sensor HRM accuracy validators funded by by sports sensor companies is gone.