Individual elements do not require trussing unless you live in an area of heavy snow and ice conditions. diameter boom is extremely strong and provides very rigid support. JK403 antennas are made with the highest-quality, heavy-duty materials and hardware. Long center-loaded elements of large diameter allow a 2:1 or better SWR across 175 kHz of the 40 meter band!Įven though the elements are large, these robust antennas are wind rated for 100 MPH. These JK Antennas have excellent front to rear ratios and superb gain across the entire 40 meter band. They feature three elements for the 40 meter band on a compact 30 ft. JK Antennas JK403 40 Meter Mono-band Yagis are great antennas for every serious contester and DXer. JK Antennas JK403 40 Meter Mono-band Yagis
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