{"id":11869,"date":"2025-07-29T13:45:26","date_gmt":"2025-07-29T17:45:26","guid":{"rendered":"https:\/\/jeremyclark.ca\/wp\/?p=11869"},"modified":"2025-12-06T09:44:43","modified_gmt":"2025-12-06T14:44:43","slug":"ais-gnss-on-opencpn","status":"publish","type":"post","link":"https:\/\/jeremyclark.ca\/wp\/telecom\/ais-gnss-on-opencpn\/","title":{"rendered":"AIS &amp; GNSS on OpenCPN"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"introduction\">Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In previous posts (Ref.1\/3) I looked at using a new GNSS receiver with AIS on various combinations of Win10\/RPi4\/OpenStreetMap\/OpenCPN. In this post I look at GNSS on full receive 921600bps with AIScatcher. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"splat-vhf-base-station-coverage-omni-antenna\">Equipment Block Diagram<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"944\" height=\"708\" src=\"https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/gnss_ais_opencpn.jpg\" alt=\"\" class=\"wp-image-11870\" srcset=\"https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/gnss_ais_opencpn.jpg 944w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/gnss_ais_opencpn-300x225.jpg 300w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/gnss_ais_opencpn-768x576.jpg 768w\" sizes=\"auto, (max-width: 944px) 100vw, 944px\" \/><figcaption class=\"wp-element-caption\">Fig.1 Equipment Block Diagram<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"562\" src=\"https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/opencpn_sigcap-1024x562.jpg\" alt=\"\" class=\"wp-image-11871\" srcset=\"https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/opencpn_sigcap-1024x562.jpg 1024w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/opencpn_sigcap-300x165.jpg 300w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/opencpn_sigcap-768x422.jpg 768w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/opencpn_sigcap-1536x844.jpg 1536w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/opencpn_sigcap-1568x861.jpg 1568w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/07\/opencpn_sigcap.jpg 1919w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Fig.2 OpenCPN Signal Capture<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Figure 1 shows the receive block diagram. To receive all 4 satellite constellations you have to have the maximum baud rate of 921600bps. Figure 2 shows the signal capture on OpenCPN showing various AIS all over the Toronto Harbour as well as the position by the Red Boat symbol.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"AIS &amp; GNSS on OpenCPN\" width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/A_6EiGui5yM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">Fig.3 YouTube Video AIS &amp; GNSS on OpenCPN<\/figcaption><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/jeremyclark.ca\/wp\/blog-topics\/\"><img loading=\"lazy\" decoding=\"async\" width=\"929\" height=\"514\" src=\"https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/10\/mar_elec.jpg\" alt=\"\" class=\"wp-image-12342\" style=\"aspect-ratio:1.8074074074074074;width:436px;height:auto\" srcset=\"https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/10\/mar_elec.jpg 929w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/10\/mar_elec-300x166.jpg 300w, https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2025\/10\/mar_elec-768x425.jpg 768w\" sizes=\"auto, (max-width: 929px) 100vw, 929px\" \/><\/a><figcaption class=\"wp-element-caption\">Marine Electronics\/Navigation Blog Topics<\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Please send your comments, questions and suggestions to:<br><a href=\"https:\/\/jeremyclark.ca\/wp\/contact\">contact:<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.youtube.com\/user\/clarktelecom\"><img loading=\"lazy\" decoding=\"async\" width=\"93\" height=\"98\" src=\"https:\/\/jeremyclark.ca\/wp\/wp-content\/uploads\/2020\/01\/youtube.jpg\" alt=\"YouTube Channel\" class=\"wp-image-687\"\/><\/a><figcaption class=\"wp-element-caption\">YouTube Channel<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"references\">References<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">#1. &#8211; &#8220;OpenPlotter4 on RPi4 AIS\/GNSS\/Sensors&#8221;<br><a href=\"https:\/\/jeremyclark.ca\/wp\/telecom\/openplotter4-on-rpi4-ais-gnss-sensors\/\">https:\/\/jeremyclark.ca\/wp\/telecom\/openplotter4-on-rpi4-ais-gnss-sensors\/<\/a><br><br>#2. &#8211; &#8220;GNSS &amp; AIScatcher on RaspberryPi4&#8221;<br><a href=\"https:\/\/jeremyclark.ca\/wp\/telecom\/gnss-aiscatcher-on-raspberrypi4\/\">https:\/\/jeremyclark.ca\/wp\/telecom\/gnss-aiscatcher-on-raspberrypi4\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">#3. &#8211; GNSS &amp; AIScatcher on OpenCPN<br><a href=\"https:\/\/jeremyclark.ca\/wp\/telecom\/gnss-aiscatcher-on-opencpn\/\">https:\/\/jeremyclark.ca\/wp\/telecom\/gnss-aiscatcher-on-opencpn\/<\/a><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction In previous posts (Ref.1\/3) I looked at using a new GNSS receiver with AIS on various combinations of Win10\/RPi4\/OpenStreetMap\/OpenCPN. In this post I look at GNSS on full receive 921600bps with AIScatcher. Equipment Block Diagram Figure 1 shows the receive block diagram. To receive all 4 satellite constellations you have to have the maximum&hellip; <a class=\"more-link\" href=\"https:\/\/jeremyclark.ca\/wp\/telecom\/ais-gnss-on-opencpn\/\">Continue reading <span class=\"screen-reader-text\">AIS &amp; GNSS on OpenCPN<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":11872,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,5,4],"tags":[],"class_list":["post-11869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elec","category-nav","category-telecom","entry"],"_links":{"self":[{"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/posts\/11869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/comments?post=11869"}],"version-history":[{"count":4,"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/posts\/11869\/revisions"}],"predecessor-version":[{"id":12372,"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/posts\/11869\/revisions\/12372"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/media\/11872"}],"wp:attachment":[{"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/media?parent=11869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/categories?post=11869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jeremyclark.ca\/wp\/wp-json\/wp\/v2\/tags?post=11869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}