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

[Wes Johnston, AI4PX]

The next thing you know, someone will want to know when a station has
gotten near a point.  For example, I could get a text when the wife's
car is < 5 miles of the house so I can start looking busy.

Or know that my teenager has arrived at school when their car is <xxx
feet of the school.

Or know that my teenager's car has gone outside a polygon.

Or know that my teen's car is going faster than 30mph within 1000feet
of the house, or faster than 65mph in a polygon that encloses the
local interstate.


I'm just pointing out that many possibilities exist for this.  Hope
it's flexible.

Wes

On 2011-02-11, John Gorkos <jgorkos at gmail.com> wrote:
> It "can" be done.  It hasn't yet.  What you're asking for is 4-6 hours of
> custom coding (mostly for the web interface).  Do you have a web server that
> can host something like this?  I've got a few hours this weekend I can use
> to
> code this.
> Let me make sure I've got the requirements right:
> You want a web interface that allows you to enter a "monitored" call sign,
> and
> an email address to send a message to when that position report from that
> monitored callsign indicates movement.  You want one message only.  Then,
> time
> passes and the monitored station stops moving.  Once the station starts
> moving
> again, you want another text message.
> The SMS messages will have to be sent via email (i.e.
> 2125551212 at sms.verizon.com), since a direct SMS interface is spendy and less
> standard.
>
> Do you have any programming skills you could apply to this?  Web design,
> maybe?  I hate web design, but the back-end portion isn't too difficult.
> This
> request will probably irritate some people on this list, FWIW.  Everyone has
> an imaginary line they draw between "ham radio" and "commercial radio and
> internet."  Using your cellphone/commercial radio to get updates about APRS
> happenings on ham radio is probably on the far side of some peoples' lines.
>
> John Gorkos
> AB0OO
>
> On Thursday, February 10, 2011 18:48:04 Steve Hanis wrote:
>> 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,
>> Steve
>>
>>
>>
>> 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
>> > APRSCALLSIGN=AB4HB
>> > 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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-- 
Wes
---
"Language shapes the way we think, and determines what we can think about."
-- B. L. Whorf