Multidipole 80/40meter band at LA1B Multidipole with halfwave dipoles for both 80 and 40 meter on common balun and 50 ohms coaxial cable. Antenna analysis with Rigexpert 230, LA4XLA 26 december. (Click for large version) 80 meter: 40 meter: Smith chart for 80meter: By Reidar Angeltveit|2016-12-27T17:29:17+01:0026.12.2015|HF-SEKSJON|