%0 Journal Article %T High gain, low-profile, wideband archimedean spiral antenna with hexagonal fractal reflector surface %A SAĞ, R.N. %A TÜYLÜ, T. %A ÇALIŞKAN, A. %A TÜRKER TOKAN, N. %J Sigma Journal of Engineering and Natural Sciences %D 2025 %V 43 %P 878-886 %R 10.14744/sigma.2025.00076