Polish Government/Office of Electronic Communication authorization database (find community stations → use the keyword “HACK”)
Authorization DC.WML.5101.454.2024.2 - SN5H valid thru 2025-01-25
Authorization DC.WML.5101.2479.2020.2 - SP5HACK issued 2020-10-07, valid from 2020-10-14, valid thru 2030-10-07
Authorization DC.WML.5101.247.2023.2 - SN5H issued 2023-01-13, valid from 2023-01-25, valid thru 2024-01-13
Authorization DC.WML.5101.2727.2020.2 - SN5H issued 2020-11-10, valid from 2020-11-24, valid thru 2021-11-10
Authorization DZC.WML.5101.1464.2017.2 - SP5HACK issued 2017-07-13, valid thru 2020-10-14