Impact of Copper (Cu) and Lead (Pb) Conductive Materials on the Radiation Performance of Printed Circuit Dipole Antennas - A. C. P. Siregar; A. D. Ardiyanti; A. R. Hilmi; Y. E. Setiawan; N. Tamimah; E. A. Saputro; Purnomo; A. H. R. Inaku (Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141, 2026)