[Beowulf] File sync across rPis

[Thomas Kellar]

I have used two of the below on Raspberry pis.  They are currently not made

SICSTOCK VK-162 Notebook USB GPS Navigation Module Support Google Earth GPS USB

But the below seems to be a replacement

VK-162 G-Mouse USB GPS Dongle Navigation Module External GPS Antenna
Remote Mount USB GPS Receiver for Raspberry Pi Support Google Earth
Window Linux Geekstory
$16

Thomas