Nelson J.G. Fonseca

Compact waveguide orthomode transducer without crossings

Nelson J.G. Fonseca, N. Fonseca, 2009, 2009 13th International Symposium on Antenna Technology and Applied Electromagnetics and the Canadian Radio Science Meeting.

Very compact quadrifilar helix antenna in VHF band with quasi hemispherical radiation pattern

Herve Aubert, Nelson J.G. Fonseca, 2009, 2009 IEEE Antennas and Propagation Society International Symposium.

Interleaved multi-band pyramidal antennas combining radio navigation and telemetry satellite applications

Herve Aubert, Cyril Mangenot, Olivier Pascal, 2009, 2009 IEEE Antennas and Propagation Society International Symposium.