{"id":931,"date":"2024-11-08T17:27:25","date_gmt":"2024-11-08T17:27:25","guid":{"rendered":"https:\/\/mm0zif.radio\/current\/?p=931"},"modified":"2024-11-08T17:27:30","modified_gmt":"2024-11-08T17:27:30","slug":"what-is-rain-scatter-and-why-havent-i-heard-of-it","status":"publish","type":"post","link":"https:\/\/mm0zif.radio\/current\/2024\/11\/what-is-rain-scatter-and-why-havent-i-heard-of-it\/","title":{"rendered":"What is Rain Scatter, and why haven&#8217;t I heard of it?"},"content":{"rendered":"\n<p>For most radio Amateurs, the idea of bouncing radio waves of the Ionosphere gives them nosebleeds, bouncing off meteors headaches, but rain, why would anyone want to do that, well simply why the heck not!<\/p>\n\n\n\n<p><strong>Rain scatter<\/strong>\u00a0is a phenomenon in amateur radio where radio signals are scattered by raindrops, allowing communication over longer distances than would normally be possible.\u00a0<a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\">This effect is particularly significant in the microwave bands, such as 10 GHz and 24 GHz<sup>1<\/sup><\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How Rain Scatter Works<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Raindrop Interaction<\/strong>: When radio waves encounter raindrops, the waves are scattered in various directions. The size of the raindrops and the frequency of the radio waves determine the effectiveness of this scattering.<\/li>\n\n\n\n<li><strong>Optimal Conditions<\/strong>: Heavy rain with larger raindrops is more effective at scattering signals.\u00a0<a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\">This is why rain scatter is more commonly observed during intense rain showers or thunderstorms<\/a><a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>1<\/sup><\/a>.<\/li>\n\n\n\n<li><strong>Frequency Dependence<\/strong>: Rain scatter is most effective at higher frequencies, particularly in the microwave bands.\u00a0<a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\">The 10 GHz and 24 GHz bands are often used for rain scatter communication because the wavelength of these frequencies is comparable to the size of raindrops<\/a><a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>1<\/sup><\/a>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Applications in Amateur Radio<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Extended Range<\/strong>: Rain scatter can extend the range of communication beyond the line of sight, making it possible to communicate over hundreds of kilometers.<\/li>\n\n\n\n<li><a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Signal Characteristics<\/strong>: Signals scattered by rain often have a distinctive \u201crasping\u201d sound due to Doppler spreading, which can help operators identify rain scatter conditions<\/a><a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>1<\/sup><\/a>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Practical Use<\/h3>\n\n\n\n<p>To utilize rain scatter, amateur radio operators often monitor weather radar to identify rain cells and adjust their antennas to point towards these cells. This technique can be particularly useful for making contacts during contests or for experimenting with long-distance communication.<\/p>\n\n\n\n<p>Rain scatter adds an exciting dimension to amateur radio, allowing operators to explore new propagation modes and extend their communication capabilities.<\/p>\n\n\n\n<p>If you have any more questions or need further details, feel free to ask! \ud83d\ude0a<\/p>\n\n\n\n<p><a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\"><sup>1<\/sup><\/a>:&nbsp;<a is=\"cib-link\" href=\"https:\/\/rsgb.org\/main\/technical\/propagation\/microwave-propagation\/rain-scatter-propagation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Radio Society of Great Britain<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rain Scatter, for Extreme Radio Coms<\/p>\n","protected":false},"author":1,"featured_media":932,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"give_campaign_id":0,"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","omw_enable_modal_window":"enable","osp_disable_panel":"default","osh_disable_topbar_sticky":"default","osh_disable_header_sticky":"default","osh_sticky_header_style":"default","osh_sticky_header_effect":"","osh_custom_sticky_logo":0,"osh_custom_retina_sticky_logo":0,"osh_custom_sticky_logo_height":0,"osh_background_color":"","osh_links_color":"","osh_links_hover_color":"","osh_links_active_color":"","osh_links_bg_color":"","osh_links_hover_bg_color":"","osh_links_active_bg_color":"","osh_menu_social_links_color":"","osh_menu_social_hover_links_color":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[40,41],"tags":[134],"class_list":["post-931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amateur-radio","category-theory-amateur-radio","tag-rainscatter","entry","has-media"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/posts\/931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/comments?post=931"}],"version-history":[{"count":0,"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/posts\/931\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/media\/932"}],"wp:attachment":[{"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/media?parent=931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/categories?post=931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mm0zif.radio\/current\/wp-json\/wp\/v2\/tags?post=931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}