[{"data":1,"prerenderedAt":302},["ShallowReactive",2],{"project-29060280":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":29,"sentiment":30,"stance_mix":31,"scored_comments":36,"aspects":37,"strip":43,"post_text":45,"what":46,"said":67,"maker_in_thread":146,"shape":152,"grid":156,"attempts":262,"same_week":263,"maker_shows":39,"maker_hidden":294,"reader_version":295,"card":296},"29060280","SMSGTE","Sending and Receiving SMS via APRS (VHF Amateur Radio)","title","Show HN: Sending and Receiving SMS via APRS (VHF Amateur Radio)","https:\u002F\u002Fsmsgte.org\u002Fug-sending-messages\u002F","smsgte.org","jlturner",1635713354,2021,134,44,382,2533,16,"notable","infrastructure","amateur radio messaging gateway","web_app",[24,25,26,27,28],"aprs","amateur radio","sms gateway","vhf","digipeater","curious",0.238,{"positive":32,"neutral":33,"mixed":34,"critical":35},5,8,0,2,15,{"privacy":38,"performance":40,"idea":41,"docs":42},{"positive":35,"critical":39},1,{"positive":34,"critical":39},{"positive":35,"critical":34},{"positive":39,"critical":34},[32,44,34,34,34,34,32,34,34,39,44,44,34,44,34,32,34,34,34,39,32,32,34,44,34,44,34,34,34,34,34,34,34,34,34,34,34,34,34,34],3,null,{"problem":47,"audience":57,"pricing":45,"motivation":45,"time_to_build":45,"stack":64,"openness":65,"stage":66,"team_size":65},{"value":48,"source":49,"evidence":50},"Lets APRS radio users send and receive SMS text messages without cell service.","inferred",[51,53],{"id":52},"post",{"id":54,"by":55,"text":56},"29075324","fishermichael","It does work! I have called for help in a non-life threatening situation with no cell service by using APRS to SMSGTE while doing some off-roading. Even better, you don't even…",{"value":58,"source":49,"evidence":59},"Licensed amateur radio operators using APRS.",[60,63],{"id":61,"by":11,"text":62},"29076601","Not exactly, you transmit on a “normal” VHF frequency (which you must be a licensed amateur to broadcast on) and the data gets picked up by a “digipeter” (radio to internet…",{"id":54,"by":55,"text":56},[],"unknown","launched",{"praise":68,"objections":84,"requests":104,"questions":112,"alternatives":130},[69,77],{"value":70,"source":71,"evidence":72},"Useful for emergencies and off-grid calls for help.","commenter",[73,74],{"id":54,"by":55,"text":56},{"id":75,"by":11,"text":76},"29060307","Also supports optional message ack by placing ? after callsign. I’m looking to use this in the woods in case of emergency as you can forward your APRS message through one of the…",{"value":78,"source":71,"evidence":79},"Practical application of amateur radio.",[80],{"id":81,"by":82,"text":83},"29073867","lxe","This has to be one of the most practical applications of amateur radio. Keep in mind that all of these comms are unencrypted and are visible by anyone who has the ability to…",[85,93],{"value":86,"source":71,"evidence":87},"Messages are unencrypted and publicly visible on aprs.fi.",[88,92],{"id":89,"by":90,"text":91},"29075903","georgyo","All these messages are of course completely public, and you can even get a full history of people using this service here: https:\u002F\u002Faprs.fi\u002F?c=message&limit=50&call=SMSGTE Very…",{"id":81,"by":82,"text":83},{"value":94,"source":71,"evidence":95},"Replies from SMS often fail to reach the radio without a two-way igate.",[96,100],{"id":97,"by":98,"text":99},"29075114","twothamendment","These are visible not just by anyone who can receive, but pretty much everything on APRS ends up online. Most areas have an igate that forwards messages from the radio to the…",{"id":101,"by":102,"text":103},"29073630","mackmgg","It supports an ACK, but unless you have a two-way i-gate nearby you should probably consider it to be a one-way protocol. All of the ones near me just go RF -> internet so…",[105],{"value":106,"source":71,"evidence":107},"Setup guidance for running a two-way APRS gateway locally.",[108],{"id":109,"by":110,"text":111},"29088930","dicknuckle","Where would I find out how to set up bidirectional APRS for our local club?",[113,123],{"value":114,"source":71,"evidence":115},"Whether encryption over amateur radio is legal.",[116,120],{"id":117,"by":118,"text":119},"29076037","chrisseaton","Because it’s a legal requirement to not encrypt the message?",{"id":121,"by":90,"text":122},"29076141","Not actually enforced, and in some cases Amateur Radio transmissions are actually required to be encrypted:…",{"value":124,"source":71,"evidence":125},"How to set up a cheap handheld APRS system.",[126],{"id":127,"by":128,"text":129},"29075780","bitcoinmoney","Holy shit game changer. Finally time to dust off that ham license. Any tips on how to setup this ? Ideally I want a cheap handheld system I can send apfrs messages.",[131,140],{"value":132,"source":71,"evidence":133},"Dire Wolf and Aprx software TNCs for APRS.",[134,137],{"id":135,"by":11,"text":136},"29090695","Google “APRS digipeter setup”, you’ll find lots of solutions which fit your needs (mobile, home station, etc). This video explains a raspberry pi setup with Dire Wolf (software…",{"id":138,"by":98,"text":139},"29091212","I used this because my hardware list was similar. https:\u002F\u002Fwww.foodstoragenow.com\u002Fnon-food_essentials\u002Fcommunication\u002FAPRS\u002FAprx-mobilinkd-setup.html Aprx works for me, Direwolf…",{"value":141,"source":71,"evidence":142},"Mobilinkd Bluetooth TNC.",[143],{"id":144,"by":98,"text":145},"29076781","\"Radio -> cable -> cellphone audio jack -> APRS app\" While this works, it is just the start. Soon you realize that you want to actually use your phone AND APRS at the same time…",{"comments":147,"answered":32,"key":148},7,[149,150,151],{"id":61,"text":62},{"id":135,"text":136},{"id":75,"text":76},{"commenters":153,"max_depth":154,"maker_replies":147,"first_comment_mins":44,"lifespan_hours":155},22,6,160,[157,159,161,165,166,170,173,174,177,180,183,187,189,193,195,197,198,201,203,206,208,210,212,213,214,216,219,221,223,225,228,231,233,235,237,239,242,244,246,249,252,254,258,260],[89,34,32,158,90,34],"project\u002Fpositive\u002Fprivacy",[117,34,44,160,118,34],"project\u002Fneutral\u002Fprivacy",[162,34,34,163,164,34],"29076095","commenter\u002Fneutral\u002Fprivacy","InvaderFizz",[121,34,34,163,90,34],[167,34,34,168,169,34],"29078547","commenter\u002Fneutral\u002Fnone","genewitch",[171,34,34,163,172,34],"29079778","op00to",[81,39,32,158,82,34],[175,39,34,163,176,34],"29074038","ronsor",[178,39,34,163,179,34],"29074472","generalizations",[181,39,39,182,110,34],"29075782","project\u002Fcritical\u002Fprivacy",[184,39,44,185,186,34],"29075088","project\u002Fneutral\u002Fnone","JshWright",[97,39,44,188,98,34],"project\u002Fneutral\u002Fperformance",[190,39,44,191,192,34],"29076422","project\u002Fneutral\u002Fidea","zdkl",[61,39,34,194,11,39],"maker\u002Fneutral\u002Fidea",[109,39,44,196,110,34],"maker\u002Fneutral\u002Fdocs",[135,39,34,196,11,39],[199,39,32,200,110,34],"29139172","maker\u002Fpositive\u002Fdocs",[138,39,34,202,98,34],"other\u002Fneutral\u002Fdocs",[204,39,34,205,110,34],"29139175","other\u002Fneutral\u002Fnone",[75,35,34,207,11,39],"project\u002Fpositive\u002Fidea",[101,35,39,209,102,34],"project\u002Fcritical\u002Fperformance",[211,35,44,188,98,34],"29075154",[54,35,32,207,55,34],[127,35,32,207,128,34],[215,35,34,196,11,39],"29076027",[217,35,44,196,218,34],"29076428","WrtCdEvrydy",[220,35,34,196,11,39],"29076636",[144,35,44,222,98,34],"project\u002Fneutral\u002Fdocs",[224,35,34,168,11,39],"29077881",[226,44,34,205,227,34],"29074656","asow92",[229,44,34,205,230,34],"29074914","jah",[232,44,34,205,169,34],"29078590",[234,44,34,205,186,34],"29075071",[236,44,34,205,98,34],"29075130",[238,44,34,205,227,34],"29075210",[240,44,34,205,241,34],"29075461","kube-system",[243,44,34,205,186,34],"29075480",[245,44,34,205,11,39],"29076042",[247,44,34,205,248,34],"29077385","dbcurtis",[250,44,34,205,251,34],"29078121","trasz",[253,44,34,205,172,34],"29079799",[255,256,34,257,251,34],"29078152",4,"other\u002Fneutral\u002Fidea",[259,256,34,205,169,34],"29078574",[261,256,34,205,172,34],"29079830",[],[264,269,274,279,284,289],{"id":265,"name":266,"points":267,"category":268},"29096954","DIY-CNC-machine",462,"hardware",{"id":270,"name":271,"points":272,"category":273},"29047584","SectorLISP",323,"languages",{"id":275,"name":276,"points":277,"category":278},"29059454","Canvify",255,"creative",{"id":280,"name":281,"points":282,"category":283},"29080790","Motor Admin",217,"dev_tools",{"id":285,"name":286,"points":287,"category":288},"29076187","Papyrus",173,"productivity",{"id":290,"name":291,"points":292,"category":293},"29063094","life33",84,"data",false,"v2",{"id":297,"name":5,"line":6,"ai":294,"cat":20,"year":13,"points":14,"comments":15,"rec":29,"s":298,"top":18,"kw":299,"maker":11,"domain":10,"tier":19,"attempts":34,"strip":300,"url":9,"mix":301,"praise":70,"objection":86,"sub":21},29060280,0.24,[24,25,26,27,28],"5300005001330305000155030300000000000000",[32,33,34,35],1794036612686]