--- /dev/null
+<para>
+This option specifies the minimum required number of satelites.
+</para>
+
--- /dev/null
+<para>
+ If set, this options creates directional icons for trackpoints. Arrows
+ will show the direction of travel on drawn tracks and routes.
+</para>
--- /dev/null
+<para>
+ Specifies a filename into which MTK-compatible CSV output will be written.
+</para>
+<para>
+ Note that this option is a bit of an oddity in the GPSBabel arsenal. This
+ should probably be a "real" output type of its own instead of being bolted
+ onto an input type.
+</para>