mention where we are in the TeleGPS design process

[web/altusmetrum] / TeleGPS / index.mdwn

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 The hardware design files can be found on [git.gag.com](http://git.gag.com) 
 in the project [hw/telegps](http://git.gag.com/?p=hw/telegps;a=summary).  
+
+## Future Plans ##
+
+The GPS performance of the initial prototypes was disappointing.  We're 
+evaluating different GPS antennas and board geometries to resolve that, and
+expect at least one more prototype version will be required once we choose
+the optimal combination.