[aprssig] US Weather forecast via APRS message

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Fri Jan 22 13:20:00 CST 2016


This sort of auto-responder doesn't need to run everywhere.    A single 
instance can respond to any requests via the APRS-IS and with properly 
configured (read: bi-directional message gating) IGates everywhere, RF 
stations can also work just fine.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 1/22/2016 12:11 PM, Max Harper via aprssig wrote:
> I hope you make a version available to us dummies that runs on the 
> raspberry pi. That would make a great addition for those of us who use 
> them for igates.
>
> Thanks for your hard work.
> Max KG4PID
>
> ------------------------------------------------------------------------
> *From:* Martin Nile via aprssig <aprssig at tapr.org>
> *To:* TAPR APRS Mailing List <aprssig at tapr.org>
> *Sent:* Friday, January 22, 2016 10:38 AM
> *Subject:* Re: [aprssig] US Weather forecast via APRS message
>
> Thanks Fred,
>
> Once I get all of the kinks worked out of the program, I'll move it to 
> a proper server and rename it to something more easily remembered.  
> I'm open to suggestions.  WXBOT, USAWX, FORCST, WXRPT and others have 
> been suggested.
>
> Looking at the messages that came in overnight, I realized that I can 
> also give current conditions.  I'll be adding "now" and "current".  If 
> the requested station is an APRS weather station, or a CWOP station I 
> can return the most recent report from the station. Otherwise, I'll 
> use the report from the weather service.
>
> --
> Martin
> KI6WJP
>
>
>
>
> On Fri, Jan 22, 2016 at 6:42 AM, Fred Hillhouse Jr 
> <fmhillhouse at comcast.net <mailto:fmhillhouse at comcast.net>> wrote:
>
>     Hi Martin,
>     Very nice! Now to remember it exists and that will be challenging!
>     Will you be making your work available for others to use?
>     Thanks for your service!
>     Best regards,
>     Fred N7FMH
>     ------------------------------------------------------------------------
>     *From:*aprssig [mailto:aprssig-bounces at tapr.org
>     <mailto:aprssig-bounces at tapr.org>] *On Behalf Of *Martin Nile via
>     aprssig
>     *Sent:* Thursday, January 21, 2016 7:03 PM
>     *To:* aprssig at tapr.org <mailto:aprssig at tapr.org>
>     *Subject:* [aprssig] US Weather forecast via APRS message
>     I am in the process of working on a program which provides a US
>     Weather forecast
>     via APRS message. I have most of the kinks worked out and it is
>     ready for testing
>     by a larger group.
>     Send a single character APRS message to KI6WJP and the program
>     will respond with a
>     brief forecast for your location.
>     You can specify "where" and "when" you want the forecast.  If you
>     wish a full forecast
>     add the word "full" to your "where" and "when".  The full forecast
>     is spread across
>     multiple APRS message.  The default "brief" forecast usually fits
>     within a single
>     message.
>     "where" is any APRS callsign/object, zipcode, grid, or decimal
>     lat/lon as long as it is
>     located in a place covered by the US National Weather Service.
>     "when" is any day of the week with optional night.  I.e. Wednesday
>     night
>     The forecast is derived from the US National Weather Service point
>     forecast.
>     Usually the forecast is produced within 1 or 2 seconds, but during
>     periods of
>     heavy activity, the weather service can take 20 or 30 seconds.
>     The latitude/longitude for the requested object is extracted from
>     api.aprs.fi <http://api.aprs.fi/>,
>     As a result, anything that appears on aprs.fi <http://aprs.fi/> is
>     valid including
>     CWOP stations and AIS ships.
>     Here are some example forecast requests that can be sent to KI6WJP:
>     Any message less than 3 characters
>       Returns a brief forecast for the current location of the sending
>     station.
>     Tomorrow 96067
>       Returns  tomorrow's forecast for Mount Shasta, CA
>     Tonight
>       Returns the forecast for tonight at your current location
>     Tuesday night full
>       Returns the Tuesday night full forecast at your current location.
>     w1aw
>       Returns the current forecast for the location of station W1AW
>     usna-1 Sunday
>       Returns the forecast for the Army Navy football game on Sunday.
>       (Assuming usna-1 is at the stadium)
>     CN81uh
>       Returns the forecast for the center of maidenhead grid CN81uh
>     36.5786/-118.2920
>       Returns the forecast for the summit of Mount Whitney.
>     Currently the program is running on a raspberry Pi on a home dsl
>     internet connection.
>     The program is single threaded and can handle a single forecast
>     request at a time.
>     Things are still in development and may break at any time.
>     Obviously for this to work via RF, a transmit capable i-gate is
>     necessary.
>     Many thanks to Heikki for Ham::APRS::IS, Ham::APRS::FAP and
>     api.aprs.fi <http://api.aprs.fi/> that made
>     this easy.
>     For more information see: https://sites.google.com/site/ki6wjp/wxbot
>     --
>     Regards
>     Martin Nile
>     KI6WJP
>
>
>
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