Thanks. Using your info I found a masters thesis from 2022 on the subject: https://www.researchgate.net/publication/368292806_Study_of_high_sensitivity_GNSS_rec

Thanks. Using your info I found a masters thesis from 2022 on the subject: https://www.researchgate.net/publication/368292806_Study_of_high_sensitivity_GNSS_receivers_for_space_applications_and_lunar_missions https://www.researchgate.net/publication/368292806_Study_of_... And there is a Qascom company profile: https://italianspaceindustry.it/listing/qascom/ https://italianspaceindustry.it/listing/qascom/