@article{yatongchai2023gain,
  title={GAIN ENHANCEMENT OF ELECTRONICALLY STEERED DUAL-BEAM ANTENNA USING METAMATERIAL RADOME},
  author={Yatongchai, Auychai and Khamsalee, Peerasan and Wongsan, Rangsan},
  journal={Procedia of Multidisciplinary Research},
  volume={1},
  number={6},
  pages={3--3},
  year={2023}
}

@inproceedings{jantaupalee2023low,
  title={Low-Frequency Wave Propagation in the Cave},
  author={Jantaupalee, Atawit and Khamsalee, Peerasan and Wongsan, Rangsan},
  booktitle={2023 20th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)},
  pages={1--4},
  year={2023},
  organization={IEEE}
}

@article{yatongchai2023efficiency,
  title={EFFICIENCY IMPROVEMENT FOR ELECTRONICALLY STEERED DUAL-BEAM ANTENNA BY USING METAMATERIAL BASED RADOME.},
  author={Yatongchai, Auychai and Khamsalee, Peerasan and Wongsan, Rangsan},
  journal={Suranaree Journal of Science \& Technology},
  volume={30},
  number={4},
  year={2023}
}

@inproceedings{julthochai2023experimental,
  title={An Experimental Study of Performance Enhancement of Medium-Frequency Small Loop Antennas for Through-the-Earth at 350 kHz},
  author={Julthochai, Suphawit and Khamsalee, Peerasan and Wongsan, Rangsan},
  booktitle={2023 20th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)},
  pages={1--4},
  year={2023},
  organization={IEEE}
}

@article{khamsalee2020hybrid,
  title={Hybrid metamaterial for the secondary radar antenna system},
  author={Khamsalee, Peerasan and Mesawad, Piyaporn and Wongsan, Rangsan},
  journal={Journal of Electromagnetic Engineering and Science},
  volume={20},
  number={3},
  pages={221--233},
  year={2020},
  publisher={Korean Institute of Electromagnetic Engineering and Science}
}

@inproceedings{wongsan2019hybrid,
  title={Hybrid metamaterial structure for asymmetric horn of secondary radar system},
  author={Wongsan, Rangsan and Khamsalee, Peerasan},
  booktitle={2019 7th International Electrical Engineering Congress (iEECON)},
  pages={1--4},
  year={2019},
  organization={IEEE}
}

@inproceedings{khamsalee2018gain,
  title={Gain Enhancement of Asymmetric Horn for Secondary Radar Antenna System using Hybrid Metamaterials},
  author={Khamsalee, P and Mesawad, P and Wongsan, R},
  booktitle={2018 International Symposium on Antennas and Propagation (ISAP)},
  pages={1--2},
  year={2018},
  organization={IEEE}
}

@inproceedings{khamsalee2017performance,
  title={Performance improvement of waveguide to coaxial adapter by using split ring resonator and wire medium structure},
  author={Khamsalee, Peerasan and Mesawad, Piyaporn and Wongsan, Rangsan},
  booktitle={2017 International Symposium on Antennas and Propagation (ISAP)},
  pages={1--2},
  year={2017},
  organization={IEEE}
}