"You're a smart cookie Aaron, and quite correct...they don't. But phones do, and have been known to interfere with GPS systems."

"Does your son have a Samsung phone? I've seen some phones kill a much larger and more accurate GPS system, maybe the phone killed the Solo's GPS fix. Is the phone setup to geotag each photo?"

"Hi guys, has anyone had any success connecting a GPS receiver to a Tetracam? Either via RS232 from an existing receiver or from a stand-alone receiver?"