Re: [Discuss-gnuradio] about gps lock

2013-06-10 Thread Zan Li
I have done more tests about the gps message. while(1){ sleep(1); std::cout << usrp->get_mboard_sensor("gps_gprmc",0).to_pp_string() << std::endl; } For the output, at the beginning, there are gps_gprmc message outputs but after it runs for a while, there would be n

Re: [Discuss-gnuradio] about gps lock

2013-06-08 Thread Marcus D. Leech
Dear all, I meet a problem about the gpsdo for lock. First I check the usrp->get_mboard_sensor("gps_locked",0); it indicates the gps is locked. Then the program is sleep for 5 mins. Then I check the gps again but in this time it does not lock. I do not think that in this 5 mins the gps lost lo

[Discuss-gnuradio] about gps lock

2013-06-08 Thread Zan Li
Dear all, I meet a problem about the gpsdo for lock. First I check the usrp->get_mboard_sensor("gps_locked",0); it indicates the gps is locked. Then the program is sleep for 5 mins. Then I check the gps again but in this time it does not lock. I do not think that in this 5 mins the gps lost lock be