I have designed this navigation system to be autonomous not requiring any wires to run. I am utilizing a FIO v3. Power is being supplied by a solar panel and battery pack. Communications are being done using XBee S2 wireless modules. These can be setup in a mesh allowing many to one communication. I’m using the Ultimate GPS module for GPS information and a CMPS10 compass module for compass heading, pitch, and roll. Here is a parts list:

[amazon:B009CBDXDY:inline]

[amazon:B007R9U1W4:inline]

[amazon:B00GLW4016:inline]

[amazon:B009JTO086:inline] (search google for a better price)