NVIS Multicarrier Modulations for Remote-Sensor Applications. - Josep Maria Maso; Tomas Gonzalez 001; Jordi Malé; Joaquim Porte; Joan Lluís Pijoan; David Badia (Sensors, 2020)

Analysis of the Ordinary and Extraordinary Ionospheric Modes for NVIS Digital Communications Channels. - Jordi Malé; Joaquim Porte; Tomas Gonzalez 001; Josep Maria Maso; Joan Lluís Pijoan; David Badia (Sensors, 2021)