{"product_id":"sigma-hf-360xp-top-band","title":"Sigma HF360XP Top Band","description":"\u003cp\u003e The \u003cstrong\u003eSigma SE HF360 XP TOP Band\u003c\/strong\u003e is a rugged, versatile end-fed vertical antenna designed for demanding radio amateurs who require reliable performance across the entire HF spectrum and 6 meters. Its clever design and sturdy fiberglass construction make this antenna suitable for both fixed and portable installations.\u003c\/p\u003e\n\n \u003cp\u003eThe antenna operates from \u003cstrong\u003e160 meters up to 10 meters\u003c\/strong\u003e using an internal or external tuner. For use on the \u003cstrong\u003e6-meter band (50 MHz), an external ATU is required\u003c\/strong\u003e . With a maximum load of \u003cstrong\u003e1 kW PEP (200 W in data modes),\u003c\/strong\u003e this model is \u003cstrong\u003eideal for\u003c\/strong\u003e \u003cstrong\u003eSSB, CW, and lightweight digital modes such as FT8 or PSK31.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e At the base of the antenna is a \u003cstrong\u003e4:1 UNUN transformer housed in an IP65 weatherproof enclosure\u003c\/strong\u003e , connected via a \u003cstrong\u003eSO-239 (UHF-Female) connector\u003c\/strong\u003e . This makes tuning simple, efficient, and stable – with minimal loss.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Suitable for radio amateurs with limited space who want full band coverage\u003c\/li\u003e\n\n\u003cli\u003e Perfect for SOTA, field days, contest use or permanent installation\u003c\/li\u003e\n\n\u003cli\u003e Supports modern transceivers with internal ATU and external ATUs\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eAdvantages at a glance:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Full coverage from 160m to 10m, 6m via external tuner (ATU)\u003c\/li\u003e\n\n \u003cli\u003eHigh load capacity: 1 kW PEP, 200W for data\u003c\/li\u003e\n\n\u003cli\u003e Weatherproof housing (IP65) for all weather conditions\u003c\/li\u003e\n\n\u003cli\u003e Easy installation – comes with mounting hardware\u003c\/li\u003e\n\n\u003cli\u003e Compact size: 5.5 meters in length, no mast required\u003c\/li\u003e\n\n\u003cli\u003e Efficiency through integrated 4:1 UNUN – low SWR when used with ATU\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eFrequency response with tuner (average SWR):\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e 160m (1.8 MHz): 1.3\u003c\/li\u003e\n\n\u003cli\u003e 80m (3.5 MHz): 1.0\u003c\/li\u003e\n\n\u003cli\u003e 60m (5 MHz): 1.1\u003c\/li\u003e\n\n\u003cli\u003e 40m (7 MHz): 1.1\u003c\/li\u003e\n\n\u003cli\u003e 30m (10 MHz): 1.2\u003c\/li\u003e\n\n\u003cli\u003e 20m (14 MHz): 1.0\u003c\/li\u003e\n\n\u003cli\u003e 17m (18 MHz): 1.0\u003c\/li\u003e\n\n\u003cli\u003e 15m (21 MHz): 1.0\u003c\/li\u003e\n\n\u003cli\u003e 12m (24 MHz): 1.0\u003c\/li\u003e\n\n\u003cli\u003e 10m (28-29 MHz): 1.0\u003c\/li\u003e\n\n\u003cli\u003e 6m (50 MHz): 1.3 (requires external tuner)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eNote:\u003c\/strong\u003e Always use high-quality coaxial cable such as RG-213 or Mini 8 for optimal performance. When using a power amplifier, an external ATU is required to prevent damage.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eOptionally available\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003ca title=\"Sigma upgrade set for the HF360 and HFX80 antennas\" href=\"https:\/\/www.deltron.nl\/products\/sigma-upgradekit-antenne\"\u003eSigma HF PLUS Kit\u003c\/a\u003e for Sigma HF-360 and X-80 antennas \u003cbr\u003eWant to further enhance your 40- and 80-meter performance? Then the SIGMA SE HF X-80 and HF-360 PLUS kit is a smart addition. This optional kit includes additional elements that improve the radiation pattern, especially on the lower HF bands. In some situations, this also helps reduce ambient interference and white noise – resulting in stronger, cleaner signals from difficult directions.\u003c\/p\u003e\n\n\u003cp\u003e Installation is simple: the included bracket and cable make mounting quick and hassle-free. Alignment is achieved by adjusting the ends of the two included elements.\u003c\/p\u003e\n\n\u003cp\u003e Buy the Sigma HF-360 XP now at Deltron.nl – your specialist in high-quality antennas and transmitters. Benefit from fast delivery, 100% original products, and excellent service. Ready to connect worldwide? Order today!\u003cbr\u003e\u003c\/p\u003e","brand":"Sigma Euro-Comm","offers":[{"title":"Default Title","offer_id":55678532354430,"sku":"SE HF360XPTOP","price":271.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/3052\/8953\/files\/Sigma_HF_360XP-Top_high_power.png?v=1748858075","url":"https:\/\/www.deltron.nl\/en\/products\/sigma-hf-360xp-top-band","provider":"Deltron","version":"1.0","type":"link"}