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[aprssig] active station image

James Jefferson Jarvis jj at aprsworld.net
Thu Apr 17 20:20:04 UTC 2008


Hi Martin,

It took me a while to get to it, but I've now implemented this feature in 
aprsworld.net for you.

http://db.aprsworld.net/datamart/active-image.php?call=kb0thn-12&minutes=20

Will return a green single pixel PNG image when KB0THN-12 has been heard in 
the last 20 minutes. Or a red pixel if KB0THN-12 has not been heard in the 
last 20 minutes.

Here is the PHP code to implement this, in case you are curious:
http://db.aprsworld.net/datamart/active-image.phps

To make this work for your website you can add a HTML <img> tag. For example:

<img 
src="http://db.aprsworld.net/datamart/active-image.php?call=kb0thn-12&minutes=20" 
width="50" height="50" alt="KB0THN-12 status" />

Thanks,

-Jim KB0THN

On Sunday 06 April 2008, you wrote:
> Hi!
>
> Do you know a page or some applet that can show if a APRS unit is online in
> a simple way?
> I´m webmaster for a gliding club here in Örebro, Sweden. We have a APRS
> unit in one of our gliders, so we can track it.. Really nice and we plan to
> put it in all of our gliders now! J
> Would be nice to just have a little icon next to the callsign of the
> glider, on the webpage, that switches between red and green if the  gliders
> APRS unit is active.
>
> Best regards
> Martin Kurkkio




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