His idea was to use the tape as the radiator for an end-fed halfwave, or EFHW, antenna, a multiband design that’s a popular option for hams operating from the 80-m band down to the 10-m band.

His idea was to use the tape as the radiator for an end-fed halfwave, or EFHW, antenna, a multiband design that’s a popular option for hams operating from the 80-m band down to the 10-m band.

proto desig (labeled as "EFHW" instead of "xOTA-Antenna") and Version 1.0. BOM (1:49 UnUn for EFHW*) *The PCB can also be used with other UnUn windings (like 1:9) to build non resonant ("random wire") ...