EC21 GPS loses signal

On various devices where we have used EC21 LTE we have noticed by examining the NMEA strings that at a certain point it loses the GPS signal (in an open area) and resumes it only if we turn the device off and on again.
Alongside we had another GPS device and the signal was excellent.
Has this ever happened to you?
I attach the nmea strings when the gps has lost the fix

$GNUNC,230426,165744.0,0.00,3.00,8.00,2.00,2.00,0.96,0.237C
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,366A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,453
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GPGGA,165745.00,4352.039846,N,01105.632335,E,1,04,1.2,60.0,M,47.0,M,5D
$GNGNS,165745.00,4352.039846,N,01105.632335,E,AAN,08,1.2,60.0,47.0,2B
$GPVTG,304.4,T,304.1,M,7.4,N,13.6,K,A
11
$GPRMC,165745.00,A,4352.039846,N,01105.632335,E,7.4,304.4,260423,0.4,E,A
33
$GPGSA,A,3,01,08,21,32,1.5,1.2,0.9
37
$GNGSA,A,3,01,08,21,32,1.5,1.2,0.9,1
34
$GNGSA,A,3,67,68,81,82,1.5,1.2,0.9,2
30
$GNGSA,A,3,1.5,1.2,0.9,33D
$PQGSA,A,3,19,20,29,1.5,1.2,0.9,4
33
$PQGSA,A,3,1.5,1.2,0.9,533
$GNUNC,230426,165745.0,0.00,3.00,8.00,3.00,2.00,0.92,0.22
79
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,226C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,463
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,3546
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GPGGA,165746.00,4352.041077,N,01105.629908,E,1,04,1.2,60.1,M,47.0,M,54
$GNGNS,165746.00,4352.041077,N,01105.629908,E,AAN,08,1.2,60.1,47.0,22
$GPVTG,304.3,T,304.0,M,7.4,N,13.7,K,A
16
$GPRMC,165746.00,A,4352.041077,N,01105.629908,E,7.4,304.3,260423,0.4,E,A
3C
$GPGSA,A,3,01,08,21,32,1.5,1.2,0.9
37
$GNGSA,A,3,01,08,21,32,1.5,1.2,0.9,1
34
$GNGSA,A,3,67,68,81,82,1.5,1.2,0.9,2
30
$GNGSA,A,3,1.5,1.2,0.9,3
3D
$PQGSA,A,3,19,20,29,1.5,1.2,0.9,433
$PQGSA,A,3,1.5,1.2,0.9,5
33
$GNUNC,230426,165746.0,0.00,4.00,8.00,3.00,2.00,1.35,0.3674
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,366A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,453
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GPGGA,165747.00,4352.042297,N,01105.627501,E,1,04,1.2,60.2,M,47.0,M,52
$GNGNS,165747.00,4352.042297,N,01105.627501,E,AAN,08,1.2,60.2,47.0,24
$GPVTG,304.6,T,304.2,M,7.4,N,13.7,K,A
11
$GPRMC,165747.00,A,4352.042297,N,01105.627501,E,7.4,304.6,260423,0.4,E,A
3C
$GPGSA,A,3,01,08,21,32,1.5,1.2,0.9
37
$GNGSA,A,3,01,08,21,32,1.5,1.2,0.9,1
34
$GNGSA,A,3,67,68,81,82,1.5,1.2,0.9,2
30
$GNGSA,A,3,1.5,1.2,0.9,33D
$PQGSA,A,3,19,20,29,1.5,1.2,0.9,4
33
$PQGSA,A,3,1.5,1.2,0.9,533
$GNUNC,230426,165747.0,0.00,5.00,12.00,4.00,3.00,1.65,0.45
48
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,226C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,463
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,3546
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165748.00,NNN,3A
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165749.00,NNN,3B
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165750.00,NNN,33
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165751.00,NNN,32
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165752.00,NNN,31
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165753.00,NNN,30
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165754.00,NNN,37
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165755.00,NNN,36
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165756.00,NNN,35
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165757.00,NNN,34
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165758.00,NNN,3B
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,11,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6C
$GLGSV,3,2,11,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6A
$GLGSV,3,3,11,68,49,181,32,75,01,001,84,04,307,51
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165759.00,NNN,3A
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,10,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
6D
$GLGSV,3,2,10,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
6B
$GLGSV,3,3,10,68,49,181,32,84,04,307,62
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,35
46
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165800.00,NNN,39
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,09,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
65
$GLGSV,3,2,09,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
63
$GLGSV,3,3,09,68,49,181,32
56
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,3546
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165801.00,NNN,38
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,09,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
65
$GLGSV,3,2,09,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
63
$GLGSV,3,3,09,68,49,181,32
56
$PQGSV,3,1,11,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
65
$PQGSV,3,2,11,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
63
$PQGSV,3,3,11,09,18,084,13,01,068,16,18,061,0,4
53
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,3546
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165802.00,NNN,3B
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,09,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
65
$GLGSV,3,2,09,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
63
$GLGSV,3,3,09,68,49,181,32
56
$PQGSV,3,1,10,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
64
$PQGSV,3,2,10,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
62
$PQGSV,3,3,10,09,18,084,13,01,068,0,4
6B
$GPGSV,4,1,14,01,49,300,30,08,56,178,33,21,73,337,33,22,3546
$GPGSV,4,2,14,27,25,154,19,32,40,075,31,03,23,123,06,23,106,77
$GPGSV,4,3,14,13,65,309,16,43,054,19,02,149,20,23,194,78
$GPGSV,4,4,14,23,79,119,25,55,285,72
$GNGNS,165803.00,NNN,3A
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,09,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
65
$GLGSV,3,2,09,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
63
$GLGSV,3,3,09,68,49,181,32
56
$PQGSV,3,1,09,05,21,120,27,06,18,068,20,19,62,182,35,20,53,059,42,0,4
6C
$PQGSV,3,2,09,22,12,210,42,29,57,130,40,30,04,127,20,02,03,099,0,4
6A
$PQGSV,3,3,09,13,01,068,0,4
5F
$GPGSV,3,1,09,01,49,300,30,08,56,178,33,21,73,337,33,22,354D
$GPGSV,3,2,09,27,25,154,19,32,40,075,31,03,23,123,06,23,106,7C
$GPGSV,3,3,09,25,55,285,48
$GNGNS,165804.00,NNN,3D
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,3,1,09,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
65
$GLGSV,3,2,09,69,03,198,18,83,59,341,23,81,12,116,25,67,64,060,36
63
$GLGSV,3,3,09,68,49,181,32
56
$PQGSV,2,1,08,05,21,120,27,19,62,182,35,20,53,059,42,22,12,210,42,0,4
69
$PQGSV,2,2,08,29,57,130,40,30,04,127,20,02,03,099,13,01,068,0,4
61
$GPGSV,2,1,07,01,49,300,30,08,56,178,33,21,73,337,33,22,3542
$GPGSV,2,2,07,27,25,154,19,32,40,075,31,25,55,285,49
$GNGNS,165805.00,NNN,3C
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,2,1,08,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
65
$GLGSV,2,2,08,83,59,341,23,81,12,116,25,67,64,060,36,68,49,181,32
6C
$PQGSV,2,1,08,05,21,120,27,19,62,182,35,20,53,059,42,22,12,210,42,0,4
69
$PQGSV,2,2,08,29,57,130,40,30,04,127,20,02,03,099,13,01,068,0,4
61
$GPGSV,2,1,07,01,49,300,30,08,56,178,33,21,73,337,33,22,3542
$GPGSV,2,2,07,27,25,154,19,32,40,075,31,25,55,285,49
$GNGNS,165806.00,NNN,3F
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,2,1,08,74,10,313,25,66,16,029,16,82,57,090,32,73,04,271,22
65
$GLGSV,2,2,08,83,59,341,23,81,12,116,25,67,64,060,36,68,49,181,32
6C
$PQGSV,2,1,08,05,21,120,27,19,62,182,35,20,53,059,42,22,12,210,42,0,4
69
$PQGSV,2,2,08,29,57,130,40,30,04,127,20,02,03,099,13,01,068,0,4
61
$GPGSV,2,1,07,01,49,300,30,08,56,178,33,21,73,337,33,22,3542
$GPGSV,2,2,07,27,25,154,19,32,40,075,31,25,55,285,49
$GNGNS,165807.00,NNN,3E
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,2,1,07,74,10,313,25,82,57,090,32,73,04,271,22,83,59,341,23
61
$GLGSV,2,2,07,81,12,116,25,67,64,060,36,68,49,181,32
53
$PQGSV,2,1,07,05,21,120,27,19,62,182,35,20,53,059,42,22,12,210,42,0,4
66
$PQGSV,2,2,07,29,57,130,40,02,03,099,13,01,068,0,4
5F
$GPGSV,2,1,07,01,49,300,30,08,56,178,33,21,73,337,33,22,3542
$GPGSV,2,2,07,27,25,154,19,32,40,075,31,25,55,285,49
$GNGNS,165808.00,NNN,31
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GLGSV,2,1,07,74,10,313,25,82,57,090,32,73,04,271,22,83,59,341,23
61
$GLGSV,2,2,07,81,12,116,25,67,64,060,36,68,49,181,32
53
$PQGSV,2,1,05,19,62,182,35,20,53,059,42,22,12,210,42,29,57,130,40,0,4
6B
$PQGSV,2,2,05,13,01,068,0,4
53
$GPGSV,2,1,05,01,49,300,30,08,56,178,33,21,73,337,33,22,3540
$GPGSV,2,2,05,32,40,075,31
49
$GNGNS,165809.00,NNN,30
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165810.00,NNN,38
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165811.00,NNN,39
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165812.00,NNN,3A
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165813.00,NNN,3B
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165814.00,NNN,3C
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
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$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165815.00,NNN,3D
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165816.00,NNN,3E
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165817.00,NNN,3F
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165818.00,NNN,30
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165819.00,NNN,31
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165820.00,NNN,3B
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165821.00,NNN,3A
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165822.00,NNN,39
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165823.00,NNN,38
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165824.00,NNN,3F
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165825.00,NNN,3E
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165826.00,NNN,3D
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165827.00,NNN,3C
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165828.00,NNN,33
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165829.00,NNN,32
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165830.00,NNN,3A
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165831.00,NNN,3B
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165832.00,NNN,38
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165833.00,NNN,39
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165834.00,NNN,3E
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
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$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165835.00,NNN,3F
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
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$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165836.00,NNN,3C
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165837.00,NNN,3D
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165838.00,NNN,32
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165839.00,NNN,33
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165840.00,NNN,3D
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165841.00,NNN,3C
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165842.00,NNN,3F
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165843.00,NNN,3E
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,00
$GPGGA,0,66
$GPRMC,V,N
53
$GPGSV,1,1,01,22,35
7E
$GNGNS,165844.00,NNN,39
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,*00
$GPGGA,0,66
$GPRMC,V,N
53
$GNGNS,165845.00,NNN,38
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,*00
$GPGGA,0,66
$GPRMC,V,N
53
$GNGNS,165846.00,NNN,3B
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,*00
$GPGGA,0,66
$GPRMC,V,N
53
$GNGNS,165847.00,NNN,3A
$GPVTG,T,M,N,K,N
2C
$GPGSA,A,1,*1E
$GNGSA,A,1,*00
$GPGGA,0,66
$GPRMC,V,N
53
$GNGNS,165848.00,NNN,35
$GPVTG,T,M,N,K,N
2C

Hi Movyon,

It looks like EC21 suddenly lost fixed, but GSV message showed that the receiver can get satellite signal. It’s abnormal.
Please check firmware version by sending ATI to EC21.
What’s the possibility to appear this problem? Can EC21 restore to normal by RESET?

Best regards.