{"id":14649,"date":"2026-05-01T10:32:28","date_gmt":"2026-05-01T08:32:28","guid":{"rendered":"https:\/\/nolle.engineering\/l-band-helix-antennas\/"},"modified":"2026-05-01T12:40:57","modified_gmt":"2026-05-01T10:40:57","slug":"l-band-helix-antennas","status":"publish","type":"page","link":"https:\/\/nolle.engineering\/en\/l-band-helix-antennas\/","title":{"rendered":"L-Band Helix Antennas"},"content":{"rendered":"<p>The L-Band helix family covers the most important L-Band satellite and radio astronomy bands \u2014 all built on the same design. Each variant is optimized for a specific center frequency, polarization, and use case. All helixes ship fully assembled and tuned from the shop.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">The L-Band Helix Family<\/h2>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1.25rem\">\n\n<h3 class=\"wp-block-heading\">\ud83d\udce1 GPS L2\/L5<\/h3>\n\n\n<p><strong>1176 \/ 1227 MHz \u00b7 RHCP \u00b7 10 turns<\/strong><\/p>\n\n\n<p>For precision positioning research, RTK experiments, and GNSS signal monitoring. Covers both GPS L2 and L5 with the correct RHCP polarization for GPS satellites.<\/p>\n\n<div class=\"woocommerce columns-1\"><ul class=\"products columns-1\">\n<li class=\"product type-product post-14455 status-publish first instock product_cat-lband has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/nolle.engineering\/en\/product\/l-band-antenna-l2-l5-lhcp\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"360\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-360x360.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"L-Band Antenna GPS-L2-L5 RHCP\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-360x360.png 360w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-100x100.png 100w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-150x150.png 150w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><h2 class=\"woocommerce-loop-product__title\">L-Band Antenna GPS-L2-L5 RHCP<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>176,56&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span> <small class=\"woocommerce-price-suffix\">(ohne MWSt. <span class=\"woocommerce-Price-amount amount\"><bdi>148,37&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span>)<\/small><\/span>\n\n\n\n<\/a>\n\n\n<a href=\"\/en\/wp-json\/wp\/v2\/pages\/14649?add-to-cart=14455\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_14455\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"14455\" data-product_sku=\"142005\" aria-label=\"Add to cart: \u201cL-Band Antenna GPS-L2-L5 RHCP\u201d\" rel=\"nofollow\" data-success_message=\"\u201cL-Band Antenna GPS-L2-L5 RHCP\u201d has been added to your cart\" role=\"button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_14455\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<\/ul>\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1.25rem\">\n\n<h3 class=\"wp-block-heading\">\ud83d\udd2d Hydrogen Line<\/h3>\n\n\n<p><strong>1420 MHz \u00b7 RHCP \u00b7 7 or 10 turns<\/strong><\/p>\n\n\n<p>Tuned to the 21 cm hydrogen line for amateur radio astronomy. Higher-gain 10-turn option available for more directionality when scanning the galactic plane.<\/p>\n\n<div class=\"woocommerce columns-1\"><ul class=\"products columns-1\">\n<li class=\"product type-product post-13502 status-publish first instock product_cat-lband has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/nolle.engineering\/en\/product\/l-band-antenna-h1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"360\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-360x360.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"L-Band Antenna H1 (1420MHz)\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-360x360.png 360w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-100x100.png 100w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-150x150.png 150w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><h2 class=\"woocommerce-loop-product__title\">L-Band Antenna H1 (1420MHz)<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>128,48&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span> <small class=\"woocommerce-price-suffix\">(ohne MWSt. <span class=\"woocommerce-Price-amount amount\"><bdi>107,97&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span>)<\/small><\/span>\n\n\n\n<\/a>\n\n\n<a href=\"\/en\/wp-json\/wp\/v2\/pages\/14649?add-to-cart=13502\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13502\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13502\" data-product_sku=\"142002\" aria-label=\"Add to cart: \u201cL-Band Antenna H1 (1420MHz)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cL-Band Antenna H1 (1420MHz)\u201d has been added to your cart\" role=\"button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_13502\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<\/ul>\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1.25rem\">\n\n<h3 class=\"wp-block-heading\">\ud83d\udef0\ufe0f Satellite L-Band<\/h3>\n\n\n<p><strong>~1550 MHz \u00b7 RHCP or LHCP \u00b7 3 or 10 turns<\/strong><\/p>\n\n\n<p>General-purpose satellite reception \u2014 Inmarsat, Iridium, LEO birds and other L-Band downlinks. 3-turn version for use as a dish feed (dish reflection inverts polarization \u2014 select opposite hand to your target signal); 10-turn for direct pole or rotor mounting. Available in both polarizations.<\/p>\n\n<div class=\"woocommerce columns-1\"><ul class=\"products columns-1\">\n<li class=\"product type-product post-11044 status-publish first instock product_cat-lband has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/nolle.engineering\/en\/product\/l-band-antenna-rhcp\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"360\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-360x360.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"L-Band Antenna (long)\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-360x360.png 360w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-100x100.png 100w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/7turns_1-150x150.png 150w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><h2 class=\"woocommerce-loop-product__title\">L-Band Antenna (long)<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>128,48&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span> <small class=\"woocommerce-price-suffix\">(ohne MWSt. <span class=\"woocommerce-Price-amount amount\"><bdi>107,97&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span>)<\/small><\/span>\n\n\n\n<\/a>\n\n\n<a href=\"\/en\/wp-json\/wp\/v2\/pages\/14649?add-to-cart=11044\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_11044\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"11044\" data-product_sku=\"142000\" aria-label=\"Add to cart: \u201cL-Band Antenna (long)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cL-Band Antenna (long)\u201d has been added to your cart\" role=\"button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_11044\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<\/ul>\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1.25rem\">\n\n<h3 class=\"wp-block-heading\">\ud83c\udf26\ufe0f WX HRPT<\/h3>\n\n\n<p><strong>1700 MHz \u00b7 RHCP \u00b7 3 turns<\/strong><\/p>\n\n\n<p>Designed for direct reception of NOAA and Metop HRPT weather satellite imagery. Compact 3-turn design works well as a dish feed or standalone for polar-orbiting weather satellites.<\/p>\n\n<div class=\"woocommerce columns-1\"><ul class=\"products columns-1\">\n<li class=\"product type-product post-13961 status-publish first instock product_cat-lband has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/nolle.engineering\/en\/product\/l-band-antenna-wx-hrpt\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"360\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/Foto-21.08.22-11-42-20-scaled-360x360.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"L-Band Antenna WX HRPT\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/Foto-21.08.22-11-42-20-scaled-360x360.jpg 360w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/Foto-21.08.22-11-42-20-scaled-100x100.jpg 100w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/Foto-21.08.22-11-42-20-150x150.jpg 150w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/Foto-21.08.22-11-42-20-scaled-300x300.jpg 300w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><h2 class=\"woocommerce-loop-product__title\">L-Band Antenna WX HRPT<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>110,61&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span> <small class=\"woocommerce-price-suffix\">(ohne MWSt. <span class=\"woocommerce-Price-amount amount\"><bdi>92,95&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span>)<\/small><\/span>\n\n\n\n<\/a>\n\n\n<a href=\"\/en\/wp-json\/wp\/v2\/pages\/14649?add-to-cart=13961\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13961\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13961\" data-product_sku=\"141003\" aria-label=\"Add to cart: \u201cL-Band Antenna WX HRPT\u201d\" rel=\"nofollow\" data-success_message=\"\u201cL-Band Antenna WX HRPT\u201d has been added to your cart\" role=\"button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_13961\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<\/ul>\n<\/div>\n\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Complete Setup: L-Band Bundle<\/h3>\n\n\n\n<p>The L-Band Bundle includes an antenna of your choice plus all mounting hardware for a complete receiver station \u2014 mast clamp, pole adapter, and all required fasteners.<\/p>\n\n\n<div class=\"woocommerce columns-1\"><ul class=\"products columns-1\">\n<li class=\"product type-product post-13141 status-publish first instock product_cat-lband has-post-thumbnail taxable shipping-taxable purchasable product-type-simple\">\n\t<a href=\"https:\/\/nolle.engineering\/en\/product\/l-band-antenna-rhcp-bundle\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"360\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/03\/20240320_164509-scaled-e1711003195214-360x360.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"L-Band Antenna Bundle (long)\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/03\/20240320_164509-scaled-e1711003195214-360x360.jpg 360w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/03\/20240320_164509-scaled-e1711003195214-150x150.jpg 150w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/03\/20240320_164509-scaled-e1711003195214-100x100.jpg 100w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><h2 class=\"woocommerce-loop-product__title\">L-Band Antenna Bundle (long)<\/h2>\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi>184,94&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span> <small class=\"woocommerce-price-suffix\">(ohne MWSt. <span class=\"woocommerce-Price-amount amount\"><bdi>155,41&nbsp;<span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span><\/bdi><\/span>)<\/small><\/span>\n\n\n\n<\/a>\n\n\n<a href=\"\/en\/wp-json\/wp\/v2\/pages\/14649?add-to-cart=13141\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_13141\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"13141\" data-product_sku=\"142001\" aria-label=\"Add to cart: \u201cL-Band Antenna Bundle (long)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cL-Band Antenna Bundle (long)\u201d has been added to your cart\" role=\"button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_13141\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<\/ul>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Mounting Options<\/h2>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1rem\">\n\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"207\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4-300x207.png\" alt=\"L-Band helix as dish feed\" class=\"wp-image-10899\" style=\"width:100%;height:180px;object-fit:cover;\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4-300x207.png 300w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4-700x483.png 700w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4-1024x706.png 1024w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4-768x530.png 768w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4-18x12.png 18w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4-435x300.png 435w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4-400x276.png 400w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/image-4.png 1125w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udf7d\ufe0f Dish Feed<\/h3>\n\n\n<p>The 3-turn variant mounts as a prime-focus feed for standard offset dishes, combining helix gain with dish gain. Important: a dish reflector inverts circular polarization \u2014 an RHCP helix receives LHCP-polarized signals off the dish, and vice versa. Select the helix hand opposite to your target signal polarization.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1rem\">\n\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-300x240.png\" alt=\"L-Band helix on mast\" class=\"wp-image-13196\" style=\"width:100%;height:180px;object-fit:cover;\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-300x240.png 300w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-1024x819.png 1024w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-768x614.png 768w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-15x12.png 15w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-700x560.png 700w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example.png 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n<h3 class=\"wp-block-heading\">\ud83d\uddfc Mast \/ Pole<\/h3>\n\n\n<p>Mount on any standard antenna mast, push-up pole, or pipe clamp bracket using the 6\u00d7 M4 bolt pattern on the backplate. The most common setup for geostationary targets (Inmarsat, Iridium) where no tracking is needed. The L-Band Bundle includes everything required for a complete mast installation.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1rem\">\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/05\/tripod_mount_assembly.png\" alt=\"L-Band helix on alt-az tripod mount\" style=\"width:100%;height:180px;object-fit:cover;\"><\/figure>\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd04 Alt-Az Mount<\/h3>\n\n\n<p>For targets that move across the sky \u2014 hydrogen line galactic observations, LEO satellite passes, GPS L2\/L5 research. Mounts on an az-el rotator, camera tripod with pan-tilt head, or any telescope alt-az mount using the same M4 bolt pattern.<\/p>\n\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Technical Drawing<\/h2>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><a href=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-1024x427.png\" alt=\"L-Band helix antenna technical drawing with dimensions\" class=\"wp-image-12829\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-1024x427.png 1024w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-700x292.png 700w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-300x125.png 300w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-768x320.png 768w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-1536x641.png 1536w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-2048x854.png 2048w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-18x8.png 18w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-600x250.png 600w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/08\/L-Band_v1.1_drawing-1320x551.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Dimensions shown for the RHCP 10-turn variant (521 mm length). RHCP 7-turn: 374 mm. LHCP 3-turn: 186 mm. All variants: 180 mm diameter. Click to enlarge.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Specifications at a Glance<\/h2>\n\n\n\n<figure class=\"wp-block-table alignwide is-style-stripes\"><table><thead><tr><th>Specification<\/th><th>GPS L2\/L5<\/th><th>H1 1420 MHz<\/th><th>Satellite L-Band<\/th><th>WX HRPT<\/th><\/tr><\/thead><tbody><tr><td>Center frequency<\/td><td>1176 \/ 1227 MHz<\/td><td>1420 MHz<\/td><td>~1550 MHz<\/td><td>1700 MHz<\/td><\/tr><tr><td>Bandwidth (SWR &lt; 2)<\/td><td>&gt; 200 MHz<\/td><td>&gt; 200 MHz<\/td><td>&gt; 200 MHz<\/td><td>&gt; 200 MHz<\/td><\/tr><tr><td>Polarization<\/td><td>RHCP<\/td><td>RHCP<\/td><td>RHCP or LHCP<\/td><td>RHCP<\/td><\/tr><tr><td>Turns<\/td><td>10<\/td><td>7 or 10<\/td><td>3 or 10<\/td><td>3<\/td><\/tr><tr><td>Typical use<\/td><td>GPS L2\/L5 positioning research<\/td><td>Hydrogen line, radio astronomy<\/td><td>Inmarsat, Iridium, LEO satellites<\/td><td>NOAA \/ Metop HRPT weather imagery<\/td><\/tr><tr><td>Connector<\/td><td>Type N<\/td><td>Type N<\/td><td>Type N<\/td><td>Type N<\/td><\/tr><tr><td>Material<\/td><td>PETG, UV-resistant<\/td><td>PETG, UV-resistant<\/td><td>PETG, UV-resistant<\/td><td>PETG, UV-resistant<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">All variants ship fully assembled and tuned. The L-Band Bundle includes the antenna plus all mounting hardware for a complete receiver station setup.<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3D Radiation Pattern<\/h2>\n\n\n\n<div style=\"width:100%;overflow:hidden;\">\n<iframe src=\"https:\/\/nolle.engineering\/wp-content\/test_reports\/20260501_121038_L-Band%20RHCP%20Turns\/plots\/radiation_pattern_3d\/\" width=\"100%\" height=\"750\" style=\"border:none;display:block;\" title=\"L-Band RHCP Helix \u2014 3D Radiation Pattern\" loading=\"lazy\"><\/iframe>\n<\/div>\n\n\n\n<p><em>Full-sphere gain pattern measured at the <a href=\"https:\/\/nolle.engineering\/en\/antenna-test-facility\/\">Antenna Test Facility<\/a>. Use the frequency slider to step through measured frequencies. Drag to rotate, scroll to zoom.<\/em><\/p>\n\n<h2 class=\"wp-block-heading\">2D Radiation Pattern<\/h2>\n\n\n\n<div style=\"width:100%;overflow:hidden;\">\n<iframe src=\"https:\/\/nolle.engineering\/wp-content\/test_reports\/20260501_121038_L-Band%20RHCP%20Turns\/plots\/radiation_pattern_2d\/\" width=\"100%\" height=\"750\" style=\"border:none;display:block;\" title=\"L-Band RHCP Helix \u2014 2D Radiation Pattern\" loading=\"lazy\"><\/iframe>\n<\/div>\n\n\n\n<p><em>Polar cuts at key frequencies. Use the frequency slider to step through measured frequencies. <a href=\"https:\/\/nolle.engineering\/en\/antenna-test-facility\/\">About the Antenna Test Facility \u2192<\/a><\/em><\/p>\n\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">From the Lab<\/h2>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1rem\">\n\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/nolle.engineering\/en\/l-band-helix-antenna-for-radio-astronomy\/\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"162\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/08\/p1-300x162.jpg\" alt=\"L-Band helix antenna for radio astronomy\" class=\"wp-image-13470\" style=\"width:100%;height:160px;object-fit:cover;\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/08\/p1-300x162.jpg 300w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/08\/p1-18x10.jpg 18w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/08\/p1.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/nolle.engineering\/en\/l-band-helix-antenna-for-radio-astronomy\/\">L-Band Helix for Radio Astronomy<\/a><\/h4>\n\n\n<p>A practical guide to hydrogen line detection with the H1 1420 MHz antenna \u2014 setup, LNA selection, and first results.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1rem\">\n\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/nolle.engineering\/en\/l-band-antenna-updates\/\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"240\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-300x240.png\" alt=\"L-Band antenna mounting example\" class=\"wp-image-13196\" style=\"width:100%;height:160px;object-fit:cover;\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-300x240.png 300w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-1024x819.png 1024w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-768x614.png 768w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-15x12.png 15w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example-700x560.png 700w, https:\/\/nolle.engineering\/wp-content\/uploads\/2024\/04\/mounting_example.png 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/nolle.engineering\/en\/l-band-antenna-updates\/\">L-Band Antenna Updates<\/a><\/h4>\n\n\n<p>Iterative improvements to the helix design \u2014 mounting hardware, connector options, and frequency variant additions.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-column has-border-color is-layout-flow wp-block-column-is-layout-flow\" style=\"border-color:#e5e7eb;border-width:1px;border-radius:8px;padding:1rem\">\n\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/nolle.engineering\/en\/l-band-websdr\/\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"275\" src=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/10\/lband_waterfall-300x275.png\" alt=\"L-Band WebSDR waterfall\" class=\"wp-image-11233\" style=\"width:100%;height:160px;object-fit:cover;\" srcset=\"https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/10\/lband_waterfall-300x275.png 300w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/10\/lband_waterfall-700x641.png 700w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/10\/lband_waterfall-768x704.png 768w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/10\/lband_waterfall-13x12.png 13w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/10\/lband_waterfall-327x300.png 327w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/10\/lband_waterfall-400x367.png 400w, https:\/\/nolle.engineering\/wp-content\/uploads\/2022\/10\/lband_waterfall.png 824w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/nolle.engineering\/en\/l-band-websdr\/\">L-Band WebSDR<\/a><\/h4>\n\n\n<p>Live L-Band WebSDR receiving Inmarsat and other satellites in real time \u2014 accessible from any browser.<\/p>\n\n<\/div>\n<\/div>\n\n\n\n<p><a href=\"https:\/\/nolle.engineering\/en\/l-band-antenna-assembly-instructions\/\">\ud83d\udcd6 Assembly instructions for the L-Band helix antenna \u2192<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The L-Band helix family covers the most important L-Band satellite and radio astronomy bands \u2014 all built on the same design. Each variant is optimized for a specific center frequency, polarization, and use case. All helixes ship fully assembled and tuned from the shop. The L-Band Helix Family \ud83d\udce1 GPS L2\/L5 1176 \/ 1227 MHz&#8230; <\/p>\n<div class=\"link-more\"><a href=\"https:\/\/nolle.engineering\/en\/l-band-helix-antennas\/\">Read More<\/a><\/div>","protected":false},"author":3277,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-14649","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L-Band Helix Antennas - nolle.engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nolle.engineering\/en\/l-band-helix-antennas\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L-Band Helix Antennas - nolle.engineering\" \/>\n<meta property=\"og:description\" content=\"The L-Band helix family covers the most important L-Band satellite and radio astronomy bands \u2014 all built on the same design. Each variant is optimized for a specific center frequency, polarization, and use case. All helixes ship fully assembled and tuned from the shop. The L-Band Helix Family \ud83d\udce1 GPS L2\/L5 1176 \/ 1227 MHz... 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