<para>
This format is a protocol supports the MediaTek MT3339, a GPS
chipset that shipped around 2011 that has internal logging capability.
It is the
core of at least two GPS modules, including the
GlobalTop PA6H and the Fastrax IT530.  The GlobalTop PA6H module is in
turn the heart of the Adafruit "Ultimate" GPS breakout board, popular
in the Arduino "maker" world.
</para>
<para>
It is similar to the mtk and mtk-bin formats for earlier Mediatek parts.
</para>
