TY - CONF T1 - Bandwidth enhancement of a hemispherical helical antenna using a parasitic wire JO - 2010 Loughborough Antennas and Propagation Conference Lapc 2010 PY - 2010/12/01 AU - Latef TA AU - Khamas SK ED - DO - DOI: 10.1109/LAPC.2010.5666258 SP - 269 EP - 271 Y2 - 2025/12/02 ER -