I’m looking for a downloadable ADS-B historical database preferably with a free option, like the one that OpenSky-Network offers. To my knowledge, unfortunately the OpenSky-Network database doesn’t provide ADS B data that complied with DO-260B, where the quality indicators (the NUC (Navigation Uncertainty Code) or NACp (Navigation Accuracy Code for Position) or NIC (Navigation Integrity Code) or SIL (Surveillance Integrity Level)) are also included.
Any suggestions on other websites that offer downloadable ADS-B historical databases that include the quality indicators?
Or can anyone share a data sample that has a quality indicator in it?
Thanks in advance.