L2Ap are the pilot products generated by ESA until March 2018, after March, they are operational products (L2A). Please see:
https://sentinels.copernicus.eu/web/sentinel/news/-/article/upcoming-sentinel-2-level-2a-product-evolution
L2Ap are the pilot products generated by ESA until March 2018, after March, they are operational products (L2A). Please see:
https://sentinels.copernicus.eu/web/sentinel/news/-/article/upcoming-sentinel-2-level-2a-product-evolution