store. TeleMetrum starter kits are also now available from
[Apogee Components](http://www.apogeerockets.com/Altus_Metrum_GPS.asp).
+For the latest TeleMetrum firmware and related ground station software, please
+visit the [AltOS](../AltOS) page on this site.
+
These are photos of our current production version, which includes an
integrated GPS receiver with active patch antenna: