[aprssig] APRS activity triggering a text or email notification via internet push

Steve Hanis dmesteve at gmail.com
Thu Feb 10 18:48:04 EST 2011

Thank you for your reply. I am looking for a way to trigger an email, IM or
SMS using existing web interfaces. A way to "push" an alert to me when I am
working or relaxing at home. Can this be done?
Kind Regards,

On Tue, Feb 8, 2011 at 10:41 AM, Guido Trentalancia <iz6rdb at trentalancia.com
> wrote:

> Hello Steve !
> On Mon, 07/02/2011 at 22.19 -0600, Steve Hanis wrote:
> > A friend and I just starting using APRS.  Is there way to trigger a SMS
> text
> > message or email via Internet monitoring when his APRS goes active or
> moving?
> > This would let me know he is mobile and available to chat or view his
> location
> > on a map. My apologies if the question is too simplistic for this
> > list, I am a newbie.
> >
> > Thanks,
> > Steve
> > AB5ID
> Suppose your friend has call AB4HB, then you could use something like:
> FROMEMAILADDRESS=dmesteve at gmail.com
> MYEMAILADDRESS=dmesteve at gmail.com
> SMTP_SERVER=smtp.ab5id.org
> axlisten -a | grep -q " fm $APRSCALLSIGN to " && echo "An APRS packet
> from $APRSCALLSIGN has been heard" > /tmp/aprs_message.txt && env
> MAILRC=/dev/null from=$FROMEMAILADDRESS smtp=$SMTP_SERVER mailx -v -n -s
> "Mail from APRS" $MYEMAILADDRESS < /tmp/aprs_message.txt && rm
> -f /tmp/aprs_message.txt
> Note that APRSCALLSIGN is case sensitive (unless you pass the -i option
> to grep). Note that SMTP_SERVER needs to be defined according to your
> actual smtp server.
> Most importantly note that the above will send out an email message for
> every packet that is received from APRSCALLSIGN and this might not be
> desirable as there might be a lot of packets coming continuously (so you
> might do things better with some extra code that checks whether a
> message has already been sent recently, for example by creating a
> temporary file each time a message is sent and then checking that the
> timestamp of such file is not too recent before sending a new email
> message).
> Or otherwise you can download a tiny program that I wrote
> (ax_emergency_listen) which is generally used to monitor APRS emergency
> packets and adapt it to your needs (by modifying the C source code):
> http://iz6rdb.trentalancia.com/en/aprs_igate.html
> 73,
> Guido IZ6RDB
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