Use this method for the --settime command line flag - which sets the device
time to be the same as the local computers time (in UTC)
def sendPosition(self, latitude=0.0, longitude=0.0, altitude=0, timeSec=0, destinationId=BROADCAST_ADDR, wantAck=False, wantResponse=False):
"""
Send a position packet to some other node (normally a broadcast)
Also, the device software will notice this packet and use it to automatically set its notion of
the local position.
If timeSec is not specified (recommended), we will use the local machine time.
"""