\n
Collecting satellite data for research is a group effort thanks to this app developed for Android users. Camaliot<\/a> is a campaign funded by the European Space Agency, and its first project focuses on making smartphone owners around the world part of a project that can help improve weather forecasts by using your phone\u2019s GPS receiver. <\/p>\n
The Camaliot app<\/a> works on devices running Android version 7.0<\/a> or later that support satellite navigation. The way satellite navigation works, phones or other receivers look for signals from a network of satellites that maintain a fixed orbit. The satellites send messages with the time and their location, and once it\u2019s received, the phones note how long each message took to arrive, then use that data to figure out where on Earth they are. <\/p>\n
\nAndroid\u2019s support for raw GNSS data recording is key to tracking changes in the ionosphere<\/q><\/aside>\n<\/div>\nResearchers think that they can use satellite signals to get more information about the atmosphere. For example, the amount of water vapor in the atmosphere can affect how a satellite signal travels through the air to something like a phone. <\/p>\nThe app gathers information to track signal strength, the distance between the satellite and the phone being used, and the satellite\u2019s carrier phase, according to Camaliot\u2019s FAQs<\/a>. With enough data collected from around the world, researchers can <\/strong>theoretically combine that with existing weather readings to measure long-term water vapor trends. They hope to<\/strong> use that data to inform weather forecasting models with machine learning. They can also track changes in Earth\u2019s ionosphere \u2014 the part of the atmosphere near space. Creating better ionospheric forecasts could be relevant in tracking space weather<\/a> and could eventually make Global Navigation Satellite Systems (GNSS) more accurate by accounting for events like geomagnetic storms.<\/p>\n
Camaliot could eventually expand to include more attempts at collecting data on a massive scale using sensors present in \u201cInternet of Things\u201d connected home devices. <\/strong>\u201cWe took inspiration from the famous SETI@Home initiative, where home laptops help seek out signs of extraterrestrial life.\u201d Vicente Navarro, an ESA navigation engineer, said in a press release<\/a>. <\/p>\n
\n  <\/p>\n    <\/p>\n<\/p>\n
<\/source><\/picture>\n
    <\/span><\/p>\n
  <\/span><\/p>\n
    App users can compare their measurements to other Android users <\/figcaption>Image: Camaliot<\/cite><\/p>\n    <\/span><\/p>\n<\/figure>\nThe project aims to gather information from all over the world \u2014 and from several different satellite constellations. <\/strong>There are several different Global Navigation Satellite Systems (GNSS) constellations like the US Global Positioning System (GPS), Russia\u2019s GLONASS, China\u2019s Beidou<\/a>, or the EU\u2019s Galileo<\/a>. Japan and India also operate smaller regional constellations. An FCC order in 2018<\/a> allowed more devices to use GPS and Galileo signals together for increased location accuracy.<\/p>\n
While older Android phones can participate in this project, the Camaliot project lists more than 50 newer models<\/a> with dual-frequency receivers, which can simultaneously pull two GNSS signals with different satellite frequencies. Phones confirmed to contain dual-frequency receivers include the Google Pixel 4a, Samsung Galaxy S21, the Galaxy S21 Ultra \u2014 mostly those with high-end Qualcomm Snapdragon 5G chipsets. <\/p>\n
Navarro says that \u201cthe combination of Galileo dual-band smartphone receivers and Android\u2019s support for raw GNSS data recording\u201d work together to increase the possibility of how much data can be collected solely from people using their smartphones. <\/p>\n
\n\n  <\/p>\n    <\/p>\n<\/p>\n
<\/source><\/picture>\n
    <\/span><\/p>\n
  <\/span><\/p>\n
    Camaliot is available only for Android users<\/figcaption>Image: Camaliot<\/cite><\/p>\n    <\/span><\/p>\n<\/figure>\n<\/div>\nThe use of at-home tech from outside participants for scientific exploration continues to grow as everyday devices include more processing power and better sensing capability. Besides the famous SETI project and similar attempts like Folding@Home,<\/a> other methods have included NASA asking the public to use their phones to take photos of clouds<\/a> or trees<\/a>, and science apps like iNaturalist documenting animal behavior during a solar eclipse<\/a>, or tracking different animal species<\/a>. <\/p>\n
How to use Camaliot<\/h2>\nHere\u2019s how you can begin using the Camaliot app on your Android phone after downloading it from Google Play<\/a>: <\/p>\n
\nSelect \u201cstart logging\u201d and place your phone in an area with a clear sky view to begin logging the data<\/li>\n
Once you have measured to your liking, select \u201cstop logging\u201d<\/li>\nThen, upload your session to the server and repeat the process over time to collect more data. You can also delete your locally-stored log files at this step.<\/li>\n<\/ol>\nIn addition to being able to view your own measurements against others accumulated over time, you can also see a leaderboard showing logging sessions done by other participants. Eventually, the information collected for the study will be available in a separate portal.<\/p>\nFor registered users, their password, username, email address, and number of measurements will be stored in Camaliot\u2019s database, but they won\u2019t be used in post-study publications and products, according to Camaliot\u2019s privacy policy<\/a>. Specifically, Camaliot says that the need for extensive personal data is for scientific purposes and environmental monitoring and that its need for processing data is \u201cnecessary for the performance of a task carried out in the public interest, namely for the conduction of this scientific study.\u201d<\/p>\n
Registered participants will also be entered into a pool for a chance to win prizes such as a dual-frequency Android phone and Amazon vouchers. The campaign will be active until June 30th. <\/p>\n
\n<\/iframe><\/p>\n<\/div>\n<\/div>\n<p><code><br \/><\/br><\/code><\/p>\n<p>Source: <a href=\"https:\/\/www.theverge.com\/2022\/3\/26\/22992890\/camaliot-storm-forecast-gps-satellite-tracking-citizen-science\">https:\/\/www.theverge.com\/2022\/3\/26\/22992890\/camaliot-storm-forecast-gps-satellite-tracking-citizen-science<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: Collecting satellite data for research is a group effort thanks to this app developed for Android users. Camaliot is a campaign funded by the European Space Agency, and its first project focuses on making smartphone owners around the world part of a project that can help improve weather forecasts by using your phone\u2019s GPS [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2405,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","om_disable_all_campaigns":false,"pagelayer_contact_templates":[],"_pagelayer_content":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[53,8],"tags":[54],"class_list":["post-2404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apps","category-technology","tag-apps"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Global science project links Android phones with satellites to improve weather forecasts - Science and Nerds<\/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:\/\/scienceandnerds.com\/2022\/03\/26\/global-science-project-links-android-phones-with-satellites-to-improve-weather-forecasts\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Global science project links Android phones with satellites to improve weather forecasts - Science and Nerds\" \/>\n<meta property=\"og:description\" content=\"Source: Collecting satellite data for research is a group effort thanks to this app developed for Android users. 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