<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Courier New, courier, monaco, monospace, sans-serif;font-size:13px"><div><span></span></div><div id="yui_3_16_0_1_1453414366789_5414" dir="ltr">I look forward to trying out your new program. I use the National Weather Service at home and just a couple of hours ago when I checked the forecast it gave me a web page that was for yesterday. Tried it on my phone and tablet and got the same thing. The point of this is to be sure to check that you are getting current information for these aprs messages. </div><div dir="ltr"><br></div><div id="yui_3_16_0_1_1453414366789_5457" dir="ltr">Good luck with your project.</div><div dir="ltr"><br></div><div id="yui_3_16_0_1_1453414366789_5429" dir="ltr">Max KG4PID<br></div><div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_1_1453414366789_5058" style="display: block;"> <div id="yui_3_16_0_1_1453414366789_5057" style="font-family: Courier New, courier, monaco, monospace, sans-serif; font-size: 13px;"> <div id="yui_3_16_0_1_1453414366789_5056" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1453414366789_5055" dir="ltr"> <font id="yui_3_16_0_1_1453414366789_5054" face="Arial" size="2"> <hr size="1" id="yui_3_16_0_1_1453414366789_5100"> <b><span style="font-weight: bold;">From:</span></b> Martin Nile via aprssig <aprssig@tapr.org><br> <b><span style="font-weight: bold;">To:</span></b> aprssig@tapr.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, January 21, 2016 6:03 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> [aprssig] US Weather forecast via APRS message<br> </font> </div> <div class="y_msg_container"><br><div id="yiv1394641950"><div dir="ltr"><div>I am in the process of working on a program which provides a US Weather forecast </div><div>via APRS message. I have most of the kinks worked out and it is ready for testing</div><div>by a larger group.</div><div><br></div><div>Send a single character APRS message to KI6WJP and the program will respond with a </div><div>brief forecast for your location.</div><div><br></div><div>You can specify "where" and "when" you want the forecast. If you wish a full forecast</div><div>add the word "full" to your "where" and "when". The full forecast is spread across</div><div>multiple APRS message. The default "brief" forecast usually fits within a single</div><div>message.</div><div><br></div><div>"where" is any APRS callsign/object, zipcode, grid, or decimal lat/lon as long as it is </div><div>located in a place covered by the US National Weather Service.</div><div><br></div><div>"when" is any day of the week with optional night. I.e. Wednesday night</div><div><br></div><div>The forecast is derived from the US National Weather Service point forecast.</div><div>Usually the forecast is produced within 1 or 2 seconds, but during periods of</div><div>heavy activity, the weather service can take 20 or 30 seconds.</div><div><br></div><div>The latitude/longitude for the requested object is extracted from <a href="http://api.aprs.fi/" target="_blank" rel="nofollow">api.aprs.fi</a>, </div><div>As a result, anything that appears on <a href="http://aprs.fi/" target="_blank" rel="nofollow">aprs.fi</a> is valid including </div><div>CWOP stations and AIS ships.</div><div><br></div><div>Here are some example forecast requests that can be sent to KI6WJP:</div><div><br></div><div>Any message less than 3 characters</div><div> Returns a brief forecast for the current location of the sending station.</div><div>Tomorrow 96067</div><div> Returns tomorrow's forecast for Mount Shasta, CA</div><div>Tonight</div><div> Returns the forecast for tonight at your current location</div><div>Tuesday night full</div><div> Returns the Tuesday night full forecast at your current location.</div><div>w1aw</div><div> Returns the current forecast for the location of station W1AW</div><div>usna-1 Sunday</div><div> Returns the forecast for the Army Navy football game on Sunday. </div><div> (Assuming usna-1 is at the stadium)</div><div>CN81uh</div><div> Returns the forecast for the center of maidenhead grid CN81uh</div><div>36.5786/-118.2920</div><div> Returns the forecast for the summit of Mount Whitney.</div><div><br></div><div>Currently the program is running on a raspberry Pi on a home dsl internet connection.</div><div>The program is single threaded and can handle a single forecast request at a time.</div><div>Things are still in development and may break at any time. </div><div><br></div><div>Obviously for this to work via RF, a transmit capable i-gate is necessary.</div><div><br></div><div>Many thanks to Heikki for Ham::APRS::IS, Ham::APRS::FAP and <a href="http://api.aprs.fi/" target="_blank" rel="nofollow">api.aprs.fi</a> that made</div><div>this easy.</div><div><br></div><div>For more information see: <a href="https://sites.google.com/site/ki6wjp/wxbot" target="_blank" rel="nofollow">https://sites.google.com/site/ki6wjp/wxbot</a></div><div><br></div><div>--</div><div>Regards</div><div>Martin Nile</div><div>KI6WJP</div><div><br></div></div></div><br>_______________________________________________<br>aprssig mailing list<br><a href="mailto:aprssig@tapr.org" ymailto="mailto:aprssig@tapr.org">aprssig@tapr.org</a><br><a href="http://www.tapr.org/mailman/listinfo/aprssig" target="_blank">http://www.tapr.org/mailman/listinfo/aprssig</a><br><br><br></div> </div> </div> </div></div></body></html>