#! /usr/bin/python
import os
from gps import *
from time import *
import time
import threading
gpsd = None
class GpsPoller(threading.Thread):
  def __init__(self):
    threading.Thread.__init__(self)
    global gpsd
    gpsd = gps(mode=WATCH_ENABLE)
    self.current_value = None
    self.running = True
  def run(self):
    global gpsd
    while gpsp.running:
      gpsd.next()
if __name__ == '__main__':
  gpsp = GpsPoller()
  gpsp.start()
  time.sleep(15)
  os.system('clear')
  print 'latitude    ' , 
.fix.latitude
  print 'longitude   ' , 
.fix.longitude
  print 'time utc    ' , 
.fix.time
  f = open('gpsdata.txt', 'a')
  coord = str(gpsd.fix.latitude) + '\t' 
r(gpsd.fix.longitude) 
t', str(gpsd.fix.time) 
n'
  f.write(coord)
  f.close()
  gpsp.running = False
  gpsp.join()