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BALAERICS, CANARIES, COUNTRIES NOT CLASSED AS AMERICAN MAINLAND, EXTREMELY REMOTE AREAS ETC. Sigma Euro-Comm SE-HF 360 Fibre Glass Vertical antenna. The Sigma Euro-Comm Ltd HF360 is an end fed vertical antenna, capable of allowing the user to work 80 meters through to 6 meters using an ATU.
The antenna can be pole mounted at ground level or elevated depending on the users personal requirements. The antenna is rated at 400W pep. The antenna comes with fixings and installation guide. How it works: The antenna is fed using 50 Ohm coax via a SO-239 socket at the base of the unit. A 6:1 UNUN transformer is located in an IP65 weather sealed box at the bottom of the bracket section of the fibre glass elements.
The antenna comes in four parts, three. Fibreglass poles and one stainless steel tapered whip. The transformer reduces the impedance at the feed point to a more acceptable level making the antenna much more efficient and allowing proper and easy tuning via an external ATU and. Automatic ATUs found in most modern radios. The antenna can be grounded if the user experiences excessive local static noise, but as the UNUN is DC grounded: grounding will not affect the tuning ratios.
The Highlighted bands in the chart below will require a manual ATU, the others an internal. 1:3.1 (Manual ATU). Frequency TX / 3.5 - 52 MHz. RX / 1.8 - 55 MHz. Length 5.5 meters or 18 Feet.Please use a good quality 50 Ohm coax, RG-213 or Mini 8 are probably the best choice. The item "SIGMA EURO-COMM SE-HF-360 FIBRE GLASS VERTICAL ANTENNA 80 TO 6 METRES" is in sale since Tuesday, May 22, 2012. This item is in the category "Mobile Phones & Communication\Radio Communication Equipment\Antennas\Ham/Amateur Radio Antennas". The seller is "sigma-4-antennas" and is located in Birmingham, West Midlands. This item can be shipped worldwide.