[{"data":1,"prerenderedAt":147},["ShallowReactive",2],{"project-5083602":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":33,"aspects":34,"strip":37,"post_text":29,"what":40,"said":52,"maker_in_thread":73,"shape":79,"grid":81,"attempts":89,"same_week":109,"maker_shows":39,"maker_hidden":139,"reader_version":140,"card":141},"5083602","pressureNET","Graphs of millions of atmospheric measurements from Android phones","title","Show HN: Graphs of millions of atmospheric measurements from Android phones","http:\u002F\u002Fpndv.cumulonimbus.ca\u002F?jan19","pndv.cumulonimbus.ca","cryptoz",1358608941,2013,10,4,1385,1739,80,"shown","infrastructure","crowdsourced sensor network","mobile_app",[24,25,26,27],"atmospheric pressure","barometer","android weather","crowdsourced weather data","quiet",null,{"positive":31,"neutral":31,"mixed":32,"critical":32},1,0,2,{"idea":35,"performance":36},{"positive":32,"critical":32},{"positive":31,"critical":32},[32,38,32,39],3,5,{"problem":41,"audience":29,"pricing":29,"motivation":29,"time_to_build":29,"stack":48,"openness":49,"stage":50,"team_size":51},{"value":42,"source":43,"evidence":44},"Collects atmospheric pressure readings from phone barometers to map weather","maker",[45],{"id":46,"by":11,"text":47},"5083607","This is from the pressureNET project, my open source app for Android that collects atmospheric pressure readings from onboard barometers. The linked page opens on Hurricane…",[],"open_source","launched","unknown",{"praise":53,"objections":62,"requests":63,"questions":64,"alternatives":72},[54],{"value":55,"source":56,"evidence":57},"Surprisingly good data with very little noise for a phone barometer","commenter",[58],{"id":59,"by":60,"text":61},"5085827","kbaker","Awesome, it's surprisingly good data, with very little noise! Much better than I would expect from a phone barometer!",[],[],[65],{"value":66,"source":56,"evidence":67},"Whether the graphs use only pressureNET data",[68],{"id":69,"by":70,"text":71},"5084163","dguaraglia","Wow, that's quite amazing! My only question is: are you just using the data gathered through the pressureNet app in your graphs?",[],{"comments":33,"answered":31,"key":74},[75,76],{"id":46,"text":47},{"id":77,"text":78},"5084258","Thank you! Yes, we are just using the data from pressureNET to draw the graphs. We have other ideas for that data in the near future, such as to provide it to atmospheric…",{"commenters":38,"max_depth":38,"maker_replies":33,"first_comment_mins":31,"lifespan_hours":80},12,[82,84,86,87],[46,32,32,83,11,31],"project\u002Fneutral\u002Fnone",[69,32,38,85,70,32],"project\u002Fneutral\u002Fidea",[77,32,32,85,11,31],[59,32,39,88,60,32],"project\u002Fpositive\u002Fperformance",[90,93,96,99,102,105,108],{"id":91,"t":92,"points":31,"comments":32},"4952857",1356101609,{"id":94,"t":95,"points":31,"comments":32},"4953263",1356106934,{"id":97,"t":98,"points":33,"comments":31},"5044387",1357931589,{"id":100,"t":101,"points":33,"comments":31},"5063014",1358284280,{"id":103,"t":104,"points":33,"comments":32},"5074358",1358448636,{"id":106,"t":107,"points":33,"comments":32},"5075365",1358458446,{"id":4,"t":12,"points":14,"comments":15},[110,115,119,124,129,134],{"id":111,"name":112,"points":113,"category":114},"5096653","SoundGecko Hacker News station",315,"consumer_social",{"id":116,"name":117,"points":118,"category":114},"5096876","Toogles",189,{"id":120,"name":121,"points":122,"category":123},"5098565","Open Source Rails",158,"learning_science",{"id":125,"name":126,"points":127,"category":128},"5094333","Freethroww",152,"creative",{"id":130,"name":131,"points":132,"category":133},"5087572","Juggle It",142,"games",{"id":135,"name":136,"points":137,"category":138},"5102644","KBOX",94,"dev_tools",false,"v2",{"id":142,"name":5,"line":6,"ai":139,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":29,"top":18,"kw":143,"maker":11,"domain":10,"tier":19,"attempts":144,"strip":145,"url":9,"mix":146,"praise":55,"objection":-1,"sub":21},5083602,[24,25,26,27],7,"0305",[31,31,32,32],1793990889983]