remove dangling comma

[web/altusmetrum] / Uses / index.mdwn

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--- a/Uses/index.mdwn
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+[[!meta title="Uses"]]
 # Using Altus Metrum Products
 
 ## Where to Buy ##
 
 All Altus Metrum products are available from the 
-[Garbee and Garbee](http://auric.gag.com) web 
+[Garbee and Garbee](https://shop.gag.com) web 
 store.  [TeleMetrum](TeleMetrum/) starter kits are also available from 
 [Apogee Components](http://www.apogeerockets.com/Altus_Metrum_GPS.asp)
-and [Australian Rocketry](http://ausrocketry.com.au/).
+and [Australian Rocketry](http://www.ausrocketry.com/shop/index.php?main_page=product_info&cPath=111&products_id=4302).
 
 ## Being Legal ##
 
@@ -20,6 +21,9 @@ In the rocket itself, you just need a [TeleMetrum](../TeleMetrum) board and
 a LiPo rechargeable battery.  An 900mAh battery weighs less than a 9V 
 alkaline battery, and will run a [TeleMetrum](../TeleMetrum) for hours.
 
+[This document](InsertSheet.pdf) contains notes about how to install a 
+flight computer such as TeleMetrum in a rocket.
+
 By default, we ship TeleMetrum with a simple wire antenna.  If your 
 electronics bay or the airframe it resides within is made of carbon fiber, 
 which is nearly opaque to RF signals, you may choose to have an SMA connector 
@@ -96,18 +100,14 @@ a web browser.
 
 In the future, we intend to offer "companion boards" for the rocket that will
 plug in to TeleMetrum to collect additional data, provide more pyro channels,
-and so forth.  A reference design for a companion board will be documented
-soon, and will be compatible with open source Arduino programming tools.
-
-We are also working on the design of a hand-held ground terminal that will
-allow monitoring the rocket's status, collecting data during flight, and
-logging data after flight without the need for a notebook computer on the
-flight line.  Particularly since it is so difficult to read most notebook
-screens in direct sunlight, we think this will be a great thing to have.
-
-We're also contemplating other altimeter designs with either more or less
-features than TeleMetrum aimed at different needs within and beyond the rocket
-community.  
+and so forth.  We've built and flown some prototypes including 
+[TeleScience](/TeleScience), but no companion board designs have made it to 
+production yet.  
+
+We intended to publish a reference design 
+for a companion board, but one of our customers beat us to it!  You can find
+his work on how to use an Arduino as a companion board on 
+[GitHub](https://github.com/robderstadt/AltOSCompanion).
 
 Because all of our work is open, both the hardware designs and the software,
 if you have some great idea for an addition to the current Altus Metrum family,