LW-20 HF QRO 1Kw Extra High Power Long Wire Multiband 80-6m Antenna/Aerial
HF QRO 1kW Extra High Power 80 - 6m Multiband Long Wire Top band Antenna / Aerial. SIGMA LW-20 HF QRO 1Kw Extra High Power. At the heart of the Sigma LW range of antennas is the 9:1 UNUN. This provides a feed point.