add link to launch sites file

diff --git a/AltOS/index.mdwn b/AltOS/index.mdwn
index f0f616e6bbb7b2ad3f806dff4fc4b6b1aa4a679a..f71c125ca53b7f76c188467254677ecdbf04b25c 100644 (file)
--- a/AltOS/index.mdwn
+++ b/AltOS/index.mdwn
@@ -23,6 +23,9 @@ The firmware and associated software are licensed [GPL version
 There is a single manual for all Altus Metrum products, which is available 
 in [html](doc/altusmetrum.html) and [pdf](doc/altusmetrum.pdf) formats.
 
+We maintain a list of [launch site GPS coordinates](launch-sites.txt).  If 
+your favorite launch site isn't included, please let us know!
+
 [[!inline pages="./releases/* and !*/Discussion and !*.bz2 and !*.zip and !*.exe" show="10" rss="no" raw="yes" ]]
 
 The latest source, which may include unreleased work in progress, is always