{"id":3204,"date":"2022-02-16T09:28:26","date_gmt":"2022-02-16T08:28:26","guid":{"rendered":"https:\/\/dross.net\/aviation\/?page_id=3204"},"modified":"2022-11-24T13:22:02","modified_gmt":"2022-11-24T12:22:02","slug":"how-to-calibrate-nooelec-nano-2-sdrs-to-868mhz","status":"publish","type":"page","link":"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-calibrate-nooelec-nano-2-sdrs-to-868mhz\/","title":{"rendered":"How to calibrate NooElec Nano 2 SDRs to 868MHz?"},"content":{"rendered":"<div id=\"pl-3204\"  class=\"panel-layout\" ><div id=\"pg-3204-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-3204-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-3204-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div class=\"panel-widget-style panel-widget-style-for-3204-0-0-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t><h2 class=\"widget-title\">Overview<\/h2>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<div class=\"siteorigin-widget-tinymce textwidget\">\n<div class=\"siteorigin-widget-tinymce textwidget\"><a title=\"DIY Component\/ Part List for Stratux (OGN) Flarm\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/#stratux-component-list\">Component List<\/a><br \/><a title=\"Stratux (OGN) Flarm first time set-up instructions\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/stratux-first-time-setup-instructions\/\">Set up Instructions<\/a><br \/><a title=\"How to install Stratux EU\/ US Firmware on SD Card?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-install-stratux-firmware\/\">Install Firmware<\/a><br \/><a title=\"How to install Open FlightMap Europe\/ VFR Sectional Charts US?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-install-open-flightmap-europe-vfr-sectional-charts-us\/\">Install FlightMap<\/a><br \/><a title=\"How to add a physical shutdown button to Stratux?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-add-a-safe-shutdown-button-to-stratux\/\">Add shutdown button<\/a><br \/><a title=\"How to flash a TTGO T-Beam (ESP32) from LilyGo?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-flash-a-ttgo-t-beam-esp32-from-lilygo\/\">Flash a T-Beam<\/a><br \/><a title=\"How to flash a softRF TTGO T-Motion (STM32) from LilyGo?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-flash-a-softrf-ttgo-t-motion-from-lilygo\/\">Flash a T-Motion<\/a><br \/><a title=\"How to add a barometric pressure altitude sensor to a TTGO T-Beam (ESP32)?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-add-a-barometric-pressure-altitude-sensor-to-a-ttgo-t-beam-esp32\/\">Altitude Sensor to T-Beam<\/a><br \/><a title=\"How to add a barometric pressure altitude sensor to a softRF\/ T-Motion (STM32)?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-add-a-barometric-pressure-altitude-sensor-to-a-softrf-t-motion-stm32\/\">Altitude Sensor to T-Motion<\/a><br \/><a title=\"How to add an AHRS or pressure altitude sensor to Stratux?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-add-an-ahrs-or-pressure-altitude-sensor\/\">Add AHRS Sensor<\/a><br \/><a title=\"How to upgrade Stratux with Transmitting capability?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-upgrade-stratux-with-transmitting-capability\/\">Upgrade Stratux<\/a><br \/><a title=\"How to submit your Stratux to OGN (Open Glider Network)?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/how-to-submit-your-stratux-to-ogn-open-glider-network\/\">Submit to OGN<\/a><br \/><a title=\"Support needed for Stratux, T-Beam or softRF\/ T-Motion?\" href=\"https:\/\/dross.net\/aviation\/how-to-and-where-to-start-with-stratux\/support\/\">Support needed?<\/a><\/div>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pgc-3204-0-1\"  class=\"panel-grid-cell\" ><div class=\"panel-cell-style panel-cell-style-for-3204-0-1\" ><div id=\"panel-3204-0-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><strong>This section explains mandatory steps to properly utilize a 978MHz <a title=\"NooElec Nano 2(+) SDR\" href=\"https:\/\/dross.net\/aviation\/shop\/nooelec-nesdr-nano-2-uat-radio-bundle-starter-edition-for-stratux-flarm\/\" target=\"_blank\" rel=\"noopener\">NooElec Nano 2(+) SDR<\/a> for 868MHz, to be able to receive Flarm\/ OGN\/ PilotAware\/ Fanet or any other protocol for your Stratux anti-collision system.<\/strong><\/p>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/x7LguhE4QeI?start=779\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Video in German<\/p>\n<ul>\n<li><a title=\"Configure Nooelec Nano 2 (+)\" href=\"https:\/\/www.youtube.com\/watch?v=x7LguhE4QeI&amp;t=770s\" target=\"_blank\" rel=\"noopener\">12:50<\/a> Configure Nooelec Nano 2 (+)<\/li>\n<li><a title=\"Configuration of the 1st SDR (1090 Mhz)\" href=\"https:\/\/www.youtube.com\/watch?v=x7LguhE4QeI&amp;t=826s\" target=\"_blank\" rel=\"noopener\">13:46<\/a> Configuration of the 1st SDR (1090 Mhz)<\/li>\n<li><a title=\"Configuration of the 2nd SDR (change from 978 MHz to 868 MHz)\" href=\"https:\/\/www.youtube.com\/watch?v=x7LguhE4QeI&amp;t=907s\" target=\"_blank\" rel=\"noopener\">15:07<\/a> Configuration of the 2nd SDR (change from 978 MHz to 868 MHz)<\/li>\n<\/ul>\n<hr \/>\n<h2>How to PPM calibrate NooElec Nano 2(+) SDRs for the usage of 868MHz<\/h2>\n<ol>\n<li>use Putty and login to your Stratux via SSH: (ssh pi@192.168.10.1), password is \"raspberry\"<\/li>\n<li>\n<pre># enter Stratux's root directory\nsudo -s<\/pre>\n<\/li>\n<li>\n<pre># stop Stratux\nstxstop\n#get inventory of SDRs\nsdrs<\/pre>\n<\/li>\n<li>check SDRs serial number, usually displayed as \"Serial number: str:978:0\"<br \/>\ncheck the device ID - here: \"0\", where 0 is to be replaced with the respective ID<\/li>\n<li>change frequency by entering the below and choosing the SDRs device ID.<br \/>\nAs an example: if original calibration of the 978MHz SDR shows \"978:41\", the new calibration has to be \"868:41\", etc:<\/p>\n<pre>rtl_eeprom -d 0 -s stx:868:0<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3420\" src=\"https:\/\/dross.net\/aviation\/wp-content\/uploads\/2022\/11\/How-to-calibrate-NooElec-Nano-2-SDRs-to-868MHz_.png\" alt=\"\" width=\"447\" height=\"604\" srcset=\"https:\/\/dross.net\/aviation\/wp-content\/uploads\/2022\/11\/How-to-calibrate-NooElec-Nano-2-SDRs-to-868MHz_.png 447w, https:\/\/dross.net\/aviation\/wp-content\/uploads\/2022\/11\/How-to-calibrate-NooElec-Nano-2-SDRs-to-868MHz_-222x300.png 222w\" sizes=\"auto, (max-width: 447px) 100vw, 447px\" \/><\/p>\n<\/li>\n<li>press \"y\" to confirm overwriting the new serial number<\/li>\n<\/ol>\n<hr \/>\n<h2>Check, if calibration to 868MHz was successful<\/h2>\n<ol>\n<li>shutdown Stratux and power up again<\/li>\n<li>follow 1. from above<\/li>\n<li>type in:\n<pre>sdrs<\/pre>\n<\/li>\n<li>now you should see your SDR with the new serial ID<\/li>\n<li>type in the below to enable Stratux firmware again:\n<pre>stxstart\n<\/pre>\n<\/li>\n<\/ol>\n<p>If you use a <a title=\"NooElec Nano 2+\" href=\"https:\/\/dross.net\/aviation\/shop\/nooelec-nesdr-nano-2-plus-uat-radio-bundle-starter-edition-for-stratux-flarm\/\" target=\"_blank\" rel=\"noopener\">NooElec Nano 2+<\/a> or NooElec Nano 3, then you are done. If you use a <a title=\"NooElec NESDR Nano 2 UAT Radio Bundle Starter Edition for Stratux FLARM\" href=\"https:\/\/dross.net\/aviation\/shop\/nooelec-nesdr-nano-2-uat-radio-bundle-starter-edition-for-stratux-flarm\/\" target=\"_blank\" rel=\"noopener\">Nano 2<\/a> only, please follow below sources to PPM calibrate in addition.<\/p>\n<hr \/>\n<ul>\n<li>GitHub Source in English<br \/>\n<a title=\"How to PPM calibrate SDRs for the usage of 868MHz\" href=\"https:\/\/github.com\/b3nn0\/stratux\/wiki\/Supported-Hardware#how-to-ppm-calibrate-sdrs-for-the-usage-of-868mhz\" target=\"_blank\" rel=\"noopener\">https:\/\/github.com\/b3nn0\/stratux\/wiki\/Supported-Hardware#how-to-ppm-calibrate-sdrs-for-the-usage-of-868mhz<\/a><\/li>\n<li><a title=\"Remarks - SDR programming expert mode (1)\" href=\"https:\/\/github.com\/VirusPilot\/stratux-pi4#remarks---sdr-programming-simple-mode\" target=\"_blank\" rel=\"noopener\">https:\/\/github.com\/VirusPilot\/stratux-pi4#remarks---sdr-programming-simple-mode<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Component ListSet up InstructionsInstall FirmwareInstall FlightMapAdd shutdown buttonFlash a T-BeamFlash a T-MotionAltitude Sensor to T-BeamAltitude Sensor to T-MotionAdd AHRS SensorUpgrade StratuxSubmit to OGNSupport needed? This section explains mandatory steps to properly utilize a 978MHz NooElec Nano 2(+) SDR for 868MHz, to be able to receive Flarm\/ OGN\/ PilotAware\/ Fanet or any other protocol for your [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":611,"parent":1996,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3204","page","type-page","status-publish","has-post-thumbnail","hentry","post"],"_links":{"self":[{"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/pages\/3204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/comments?post=3204"}],"version-history":[{"count":0,"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/pages\/3204\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/pages\/1996"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/media\/611"}],"wp:attachment":[{"href":"https:\/\/dross.net\/aviation\/wp-json\/wp\/v2\/media?parent=3204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}