[aprssig] New mapping interface

Scott Miller scott at opentrac.org
Tue Feb 8 11:38:54 CST 2005

I fired up Microsoft Fiddler (debugging HTTP proxy) and started playing with
it.  The search results are returned as XML - the format is very clear, with
an icon link, data fields, position, and so on.  It remains to be seen how
tough it'd be to subvert it.  I'm  hoping Google provides some sort of API
to make this easy.


----- Original Message ----- 
From: "Steve Dimse" <steve at dimse.com>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Tuesday, February 08, 2005 9:33 AM
Subject: Re: [aprssig] New mapping interface

On 2/8/05 at 9:01 AM Scott Miller <scott at opentrac.org> sent:

>Google's got a LOT of bandwidth.  Once this app hits the mainstream, I
>all the APRS users in the world would make a significant impact.  And
>Google's proven themselves to be less evil than most of their
>I hope they could be shown that supporting amateur radio would be a good
Yea, bandwidth, and even computing power are not an issue for Google. As Jim
I also added a link on findU's page to pull this up.

The Google page runs javascript, the source code is run together into a
lines, probably to discourage reverse engineering. You can see as a page
that it uses relatively small tiles, presumably the javascript grabs the
it needs, I'd be very surprised if the links aren't encoded, but you never
with Google. Encoded ot not, this provides some interesting possibilities.

There are no terms of service I can find, so it seems like at least for now
anything is fair game.

First use would be to write a geo generator that grabs the tiles for a map
generates an image file/geo file pair for use by Xastir, WinAPRS, findU, and

Second and more interesting would be to modify the source code to plot APRS
position directly on top of the page, giving access to the rather cool
action in the javascript.

Any javascript experts out there?

Steve K4HG

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