P. H. Mukti and  I. Kurniawati and  F. Oktaviansyah and  A. D. Adhitya and  N. Rachmadani and   R. Corputty and  G. Hendrantoro and  T. Fukusako,  Software-Defined Radio Based Channel Measurement System of Wideband HF Communication System in Low-Latitude Region.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 89(5). 850 - 853
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/9998453.