TI - A conformal 4-element phased array antenna using a T-junction power divider for beam steering in X-band unmanned aerial vehicle applications AU - EVREN, O. AU - BAYER KESKİN, S.E. AU - TÜRKER TOKAN, N. SO - Sigma Journal of Engineering and Natural Sciences 2026;44:3107-3119. DO - 10.14744/sigma.2026.2146