import serial
import time

ser = serial.Serial('/dev/ttyS0') #åbner port.

running = True

try:
    while running:
        data = ser.readline()
        #print(data)
        for line in data.split(b'\n'):
            if line.startswith(b'$GPGGA'):
                #lat, _, lon = line.strip().split(b',')[2:5]
                line = str(line.decode("UTF-8"))
                line = line.split(",")

                print(line)



except KeyboardInterrupt:
    print("program lukker")
    running = False
    ser.close()