BG96 GNSS data miss

Hi, I meet a problem of BG96. I inquire gps data per 1s. But there is always some null data between the normal data. What reason? I also change to 5s, 10s, same issue. No matter how long I inquire, this situation always exist.

[11:38:16.308]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:16.318]IN←◆
+QGPSGNMEA: $GPGGA,033815.00,3412.498257,N,10853.141887,E,1,06,0.6,422.9,M,-28.0,M,*47

OK

[11:38:17.308]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:17.322]IN←◆
+QGPSGNMEA: $GPGGA,033816.00,3412.498265,N,10853.141872,E,1,06,0.6,422.9,M,-28.0,M,*4F

OK

[11:38:18.310]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:18.326]IN←◆
+QGPSGNMEA: $GPGGA,033817.00,3412.498273,N,10853.141848,E,1,06,0.6,423.0,M,-28.0,M,*48

OK

[11:38:19.307]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:19.318]IN←◆
+QGPSGNMEA: $GPGGA,033818.00,3412.498279,N,10853.141839,E,1,06,0.6,423.1,M,-28.0,M,*4A

OK

[11:38:20.313]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:20.326]IN←◆
+QGPSGNMEA: $GPGGA,033819.00,3412.498286,N,10853.141843,E,1,06,0.6,423.1,M,-28.0,M,*46

OK

[11:38:21.305]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:21.319]IN←◆
+QGPSGNMEA: $GPGGA,033820.00,3412.498295,N,10853.141850,E,1,07,0.6,423.2,M,-28.0,M,*4E

OK

[11:38:22.313]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:22.323]IN←◆
+QGPSGNMEA: $GPGGA,033821.00,3412.498301,N,10853.141856,E,1,08,0.5,423.2,M,-28.0,M,*49

OK

[11:38:23.308]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:23.321]IN←◆
+QGPSGNMEA: $GPGGA,033822.00,3412.498302,N,10853.141857,E,1,08,0.5,423.2,M,-28.0,M,*48

OK

[11:38:24.310]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:24.332]IN←◆
+QGPSGNMEA: $GPGGA,033823.00,3412.498301,N,10853.141852,E,1,07,0.5,423.2,M,-28.0,M,*40

OK

[11:38:25.315]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:25.342]IN←◆
+QGPSGNMEA: $GPGGA,033824.00,3412.498305,N,10853.141838,E,1,07,0.5,423.2,M,-28.0,M,*4F

OK

[11:38:26.314]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:26.327]IN←◆
+QGPSGNMEA: $GPGGA,033825.00,3412.498310,N,10853.141821,E,1,07,0.5,423.3,M,-28.0,M,*43

OK

[11:38:27.313]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:27.329]IN←◆
+QGPSGNMEA: $GPGGA,033826.00,3412.498315,N,10853.141797,E,1,07,0.5,423.3,M,-28.0,M,*47

OK

[11:38:28.312]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:28.325]IN←◆
+QGPSGNMEA: $GPGGA,033827.00,3412.498314,N,10853.141773,E,1,07,0.5,423.4,M,-28.0,M,*4A

OK

[11:38:29.312]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:29.324]IN←◆
+QGPSGNMEA: $GPGGA,033828.00,3412.498313,N,10853.141766,E,1,06,0.6,423.4,M,-28.0,M,*44

OK

[11:38:30.313]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:30.325]IN←◆
+QGPSGNMEA: $GPGGA,033829.00,3412.498314,N,10853.141737,E,1,06,0.6,423.4,M,-28.0,M,*46

OK

[11:38:31.304]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:31.320]IN←◆
+QGPSGNMEA: $GPGGA,033830.00,3412.498318,N,10853.141705,E,1,05,0.6,423.5,M,-28.0,M,*41

OK

[11:38:32.313]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:32.329]IN←◆
+QGPSGNMEA: $GPGGA,033831.00,3412.498321,N,10853.141666,E,1,05,0.6,423.6,M,-28.0,M,*4D

OK

[11:38:33.313]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:33.325]IN←◆
+QGPSGNMEA: $GPGGA,033832.00,3412.498323,N,10853.141627,E,1,05,0.6,423.6,M,-28.0,M,*49

OK

[11:38:34.313]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:34.325]IN←◆
+QGPSGNMEA: $GPGGA,033833.00,3412.498326,N,10853.141580,E,1,05,0.7,423.7,M,-28.0,M,*43

OK

[11:38:35.305]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:35.308]IN←◆
+QGPSGNMEA: $GPGGA,033834.00,3412.498330,N,10853.141532,E,1,05,0.7,423.8,M,-28.0,M,*45

OK

[11:38:36.313]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:36.316]IN←◆
+QGPSGNMEA: $GPGGA,033835.00,3412.498333,N,10853.141500,E,1,05,0.7,423.9,M,-28.0,M,*47

OK

[11:38:37.304]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:37.308]IN←◆
+QGPSGNMEA: $GPGGA,033836.00,3412.498334,N,10853.141475,E,1,05,0.7,423.9,M,-28.0,M,*40

OK

[11:38:38.309]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:38.313]IN←◆
+QGPSGNMEA: $GPGGA,033837.00,3412.498335,N,10853.141453,E,1,06,0.6,424.0,M,-28.0,M,*48

OK

[11:38:39.312]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:39.315]IN←◆
+QGPSGNMEA: $GPGGA,033838.00,3412.498337,N,10853.141425,E,1,05,0.7,424.0,M,-28.0,M,*46

OK

[11:38:40.314]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:40.321]IN←◆
+QGPSGNMEA: $GPGGA,033839.00,3412.498341,N,10853.141384,E,1,05,0.6,424.1,M,-28.0,M,*4A

OK

[11:38:41.305]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:41.308]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:38:42.312]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:42.329]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:38:43.311]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:43.324]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:38:44.314]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:44.326]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:38:56.789]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:56.797]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:38:57.795]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:57.809]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:38:58.792]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:58.802]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:38:59.791]OUT→◇AT+QGPSGNMEA=“GGA”

[11:38:59.805]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:00.798]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:00.815]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:01.788]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:01.797]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:02.789]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:02.799]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:03.794]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:03.803]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:04.795]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:04.806]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:05.790]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:05.797]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:06.793]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:06.800]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:07.789]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:07.796]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:08.796]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:08.804]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:09.792]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:09.806]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:10.791]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:10.799]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:11.793]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:11.800]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:12.790]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:12.797]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:13.798]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:13.807]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:14.792]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:14.801]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:15.792]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:15.805]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:16.796]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:16.809]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:17.794]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:17.816]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:18.797]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:18.807]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:19.793]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:19.807]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:20.788]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:20.810]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:21.796]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:21.825]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:22.798]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:22.831]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:23.788]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:23.823]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:24.792]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:24.813]IN←◆
+QGPSGNMEA: $GPGGA,0,*66

OK

[11:39:25.793]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:25.818]IN←◆
+QGPSGNMEA: $GPGGA,033924.00,3412.498272,N,10853.140237,E,1,07,0.6,425.0,M,-28.0,M,*4C

OK

[11:39:26.790]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:26.797]IN←◆
+QGPSGNMEA: $GPGGA,033926.00,3412.498279,N,10853.140163,E,1,07,0.6,425.1,M,-28.0,M,*46

OK

[11:39:27.790]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:27.796]IN←◆
+QGPSGNMEA: $GPGGA,033927.00,3412.498278,N,10853.140133,E,1,07,0.6,425.1,M,-28.0,M,*43

OK

[11:39:28.790]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:28.796]IN←◆
+QGPSGNMEA: $GPGGA,033928.00,3412.498275,N,10853.140105,E,1,07,0.6,425.1,M,-28.0,M,*44

OK

[11:39:29.871]OUT→◇AT+QGPSGNMEA=“GGA”

[11:39:29.896]IN←◆
+QGPSGNMEA: $GPGGA,033929.00,3412.498272,N,10853.140073,E,1,07,0.6,425.1,M,-28.0,M,*42

Hi Nero
It may be that the satellite signal is relatively poor, and the GNSS output is empty without positioning. It is recommended that you perform the test outdoors, as the outdoor GNSS signal is better. If it is still the same in the outdoor test, it is recommended that you use the USB NMEA port to obtain some NMEA logs and provide them to us for analysis. Thank you!

Thanks for reply. I will try again.