* [OpenAlt](OpenAlt/)
was Bdale's original project here, a dual-deploy rocketry altimeter. One
prototype was built, but never flown.
* [OpenAlt](OpenAlt/)
was Bdale's original project here, a dual-deploy rocketry altimeter. One
prototype was built, but never flown.
-[mailing list](http://lists.gag.com). We also
-hang out on IRC channel #altusmetrum on irc.oftc.net if you have
+[mailing list](https://lists.gag.com/mailman3/postorius/lists/altusmetrum.lists.gag.com/).
+We also hang out on IRC channel #altusmetrum on irc.oftc.net if you have
questions that aren't answered here. You can also find us on
[Facebook](http://www.facebook.com/group.php?gid=341167482968), though note
we don't check Facebook very often.
questions that aren't answered here. You can also find us on
[Facebook](http://www.facebook.com/group.php?gid=341167482968), though note
we don't check Facebook very often.