Hi Albert…
I am very grateful. The problem is almost solved. But using 13.56MHZ RFID antenna !!!
That is, the antenna is passive.
And considering the active and passive ceramic antennas that I used, this antenna (RFID antenna) has answered almost better than the passive and active ceramic antennas !!
Of course, maybe they were defective!
By disconnecting and connecting the module power supply, It takes about 2 to 10 minutes for the module to find and locate. Of course under the roof of the room located on the roof.
But when he finds it, it is very careful.
This antenna has very good accuracy in one place, such as rooms that are placed on the roof.
Is it possible that we can somehow locate on the ground floor of the house or even the basement?
Is it possible to reduce the waiting time for the location?
this is a part of log file, while the module can’t find locate.
[2020-11-06 06:20:55:151_R:] +QGNSSRD: $GNRMC,025057.093,V,0.00,0.00,061120,N58
[2020-11-06 06:20:55:151_R:] $GNVTG,0.00,T,M,0.00,N,0.00,K,N2C
[2020-11-06 06:20:55:151_R:] $GNGGA,025057.093,0,0,M,M,59
[2020-11-06 06:20:55:151_R:] $GPGSA,A,1,1E
[2020-11-06 06:20:55:151_R:] $GLGSA,A,1,02
[2020-11-06 06:20:55:151_R:] $GPGSV,1,1,01,15,217F
[2020-11-06 06:20:55:151_R:] $GLGSV,1,1,02,78,22,87,2164
[2020-11-06 06:20:55:151_R:] $GNGLL,025057.093,V,N6B
[2020-11-06 06:20:55:151_R:] OK
[2020-11-06 06:20:56:000_S:] AT+QGNSSRD?
[2020-11-06 06:20:56:146_R:] AT+QGNSSRD?
[2020-11-06 06:20:56:146_R:] +QGNSSRD: $GNRMC,025058.093,V,0.00,0.00,061120,N57
[2020-11-06 06:20:56:146_R:] $GNVTG,0.00,T,M,0.00,N,0.00,K,N2C
[2020-11-06 06:20:56:146_R:] $GNGGA,025058.093,0,0,M,M,56
[2020-11-06 06:20:56:146_R:] $GPGSA,A,1,1E
[2020-11-06 06:20:56:146_R:] $GLGSA,A,1,02
[2020-11-06 06:20:56:146_R:] $GPGSV,1,1,01,15,227C
[2020-11-06 06:20:56:146_R:] $GLGSV,1,1,02,87,21,78,2264
[2020-11-06 06:20:56:146_R:] $GNGLL,025058.093,V,N64
[2020-11-06 06:20:56:146_R:] OK
[2020-11-06 06:20:57:004_S:] AT+QGNSSRD?
[2020-11-06 06:20:57:151_R:] AT+QGNSSRD?
[2020-11-06 06:20:57:151_R:] +QGNSSRD: $GNRMC,025059.093,V,0.00,0.00,061120,N56
[2020-11-06 06:20:57:151_R:] $GNVTG,0.00,T,M,0.00,N,0.00,K,N2C
[2020-11-06 06:20:57:151_R:] $GNGGA,025059.093,0,0,M,M,57
[2020-11-06 06:20:57:151_R:] $GPGSA,A,1,1E
[2020-11-06 06:20:57:151_R:] $GLGSA,A,1,02
[2020-11-06 06:20:57:151_R:] $GPGSV,1,1,01,15,237D
[2020-11-06 06:20:57:151_R:] $GLGSV,1,1,02,87,23,78,2165
[2020-11-06 06:20:57:151_R:] $GNGLL,025059.093,V,N65
[2020-11-06 06:20:57:151_R:] OK
[2020-11-06 06:20:57:999_S:] AT+QGNSSRD?
[2020-11-06 06:20:58:142_R:] AT+QGNSSRD?
[2020-11-06 06:20:58:142_R:] +QGNSSRD: $GNRMC,025100.093,V,0.00,0.00,061120,N5B
[2020-11-06 06:20:58:142_R:] $GNVTG,0.00,T,M,0.00,N,0.00,K,N2C
[2020-11-06 06:20:58:142_R:] $GNGGA,025100.093,0,0,M,M,5A
[2020-11-06 06:20:58:142_R:] $GPGSA,A,1,1E
[2020-11-06 06:20:58:142_R:] $GLGSA,A,1,02
[2020-11-06 06:20:58:142_R:] $GPGSV,1,1,01,15,237D
[2020-11-06 06:20:58:142_R:] $GLGSV,1,1,02,87,23,78,2064
[2020-11-06 06:20:58:142_R:] $GNGLL,025100.093,V,N68
[2020-11-06 06:20:58:142_R:] OK
[2020-11-06 06:20:59:001_S:] AT+QGNSSRD?
[2020-11-06 06:20:59:143_R:] AT+QGNSSRD?
[2020-11-06 06:20:59:143_R:] +QGNSSRD: $GNRMC,025101.093,V,0.00,0.00,061120,N5A
[2020-11-06 06:20:59:143_R:] $GNVTG,0.00,T,M,0.00,N,0.00,K,N2C
[2020-11-06 06:20:59:143_R:] $GNGGA,025101.093,0,0,M,M,5B
[2020-11-06 06:20:59:143_R:] $GPGSA,A,1,1E
[2020-11-06 06:20:59:143_R:] $GLGSA,A,1,02
[2020-11-06 06:20:59:143_R:] $GPGSV,1,1,01,15,217F
[2020-11-06 06:20:59:143_R:] $GLGSV,1,1,01,78,2069
[2020-11-06 06:20:59:143_R:] $GNGLL,025101.093,V,N69
[2020-11-06 06:20:59:143_R:] OK
[2020-11-06 06:20:59:990_S:] AT+QGNSSRD?
[2020-11-06 06:21:00:148_R:] AT+QGNSSRD?
[2020-11-06 06:21:00:148_R:] +QGNSSRD: $GNRMC,025102.093,V,0.00,0.00,061120,N59
[2020-11-06 06:21:00:148_R:] $GNVTG,0.00,T,M,0.00,N,0.00,K,N2C
[2020-11-06 06:21:00:148_R:] $GNGGA,025102.093,0,0,M,M,58
[2020-11-06 06:21:00:148_R:] $GPGSA,A,1,1E
[2020-11-06 06:21:00:148_R:] $GLGSA,A,1,02
[2020-11-06 06:21:00:148_R:] $GPGSV,1,1,01,15,227C
[2020-11-06 06:21:00:148_R:] $GLGSV,1,1,02,87,23,78,2064
[2020-11-06 06:21:00:148_R:] $GNGLL,025102.093,V,N6A
[2020-11-06 06:21:00:148_R:] OK
and while the module can find the location:
[2020-11-07 14:01:21:187_R:] OK
[2020-11-07 14:01:21:815_S:] AT+QGNSSRD?
[2020-11-07 14:01:22:048_R:] AT+QGNSSRD?
[2020-11-07 14:01:22:048_R:] +QGNSSRD: $GNRMC,103124.000,A,3358.1914,N,05127.1406,E,0.00,141.66,071120,A76
[2020-11-07 14:01:22:048_R:] $GNVTG,141.66,T,M,0.00,N,0.00,K,A27
[2020-11-07 14:01:22:048_R:] $GNGGA,103124.000,3358.1914,N,05127.1406,E,1,8,0.92,980.6,M,-16.4,M,6F
[2020-11-07 14:01:22:048_R:] $GPGSA,A,3,22,04,31,01,1.25,0.92,0.8404
[2020-11-07 14:01:22:048_R:] $GLGSA,A,3,69,79,71,85,1.25,0.92,0.8415
[2020-11-07 14:01:22:048_R:] $GPGSV,3,1,12,03,82,359,22,71,135,15,04,56,313,16,26,32,086,2172
[2020-11-07 14:01:22:048_R:] $GPGSV,3,2,12,01,30,203,13,16,26,127,16,09,24,282,18,31,19,043,137B
[2020-11-07 14:01:22:048_R:] $GPGSV,3,3,12,06,12,320,14,21,11,183,07,08,221,11,02,190,76
[2020-11-07 14:01:22:048_R:] $GLGSV,2,1,08,80,66,101,70,55,009,73,34,179,69,28,089,2260
[2020-11-07 14:01:22:189_R:] $GLGSV,2,2,08,79,25,034,21,71,22,315,17,86,19,295,85,14,244,2265
[2020-11-07 14:01:22:189_R:] $GNGLL,3358.1914,N,05127.1406,E,103124.000,A,A*40
[2020-11-07 14:01:22:189_R:] OK
[2020-11-07 14:01:22:814_S:] AT+QGNSSRD?
[2020-11-07 14:01:23:046_R:] AT+QGNSSRD?
[2020-11-07 14:01:23:046_R:] +QGNSSRD: $GNRMC,103125.000,A,3358.1914,N,05127.1406,E,0.00,141.66,071120,A77
[2020-11-07 14:01:23:046_R:] $GNVTG,141.66,T,M,0.00,N,0.00,K,A27
[2020-11-07 14:01:23:046_R:] $GNGGA,103125.000,3358.1914,N,05127.1406,E,1,7,0.97,980.6,M,-16.4,M,64
[2020-11-07 14:01:23:046_R:] $GPGSA,A,3,22,04,01,1.29,0.97,0.860D
[2020-11-07 14:01:23:046_R:] $GLGSA,A,3,69,79,71,85,1.29,0.97,0.861E
[2020-11-07 14:01:23:046_R:] $GPGSV,3,1,12,03,82,359,22,71,135,16,04,56,313,16,26,32,086,2171
[2020-11-07 14:01:23:046_R:] $GPGSV,3,2,12,01,30,203,13,16,26,127,17,09,24,282,18,31,19,043,78
[2020-11-07 14:01:23:046_R:] $GPGSV,3,3,12,06,12,320,14,21,11,183,07,08,221,11,02,190,76
[2020-11-07 14:01:23:046_R:] $GLGSV,2,1,08,80,66,101,70,55,009,73,34,179,69,28,089,2062
[2020-11-07 14:01:23:178_R:] $GLGSV,2,2,08,79,25,034,21,71,22,315,17,86,19,294,85,14,244,2264
[2020-11-07 14:01:23:178_R:] $GNGLL,3358.1914,N,05127.1406,E,103125.000,A,A*41
[2020-11-07 14:01:23:178_R:] OK
[2020-11-07 14:01:23:821_S:] AT+QGNSSRD?
[2020-11-07 14:01:24:058_R:] AT+QGNSSRD?
[2020-11-07 14:01:24:058_R:] +QGNSSRD: $GNRMC,103126.000,A,3358.1914,N,05127.1406,E,0.00,141.66,071120,A74
[2020-11-07 14:01:24:058_R:] $GNVTG,141.66,T,M,0.00,N,0.00,K,A27
[2020-11-07 14:01:24:058_R:] $GNGGA,103126.000,3358.1914,N,05127.1406,E,1,7,0.97,980.6,M,-16.4,M,67
[2020-11-07 14:01:24:058_R:] $GPGSA,A,3,22,04,01,1.29,0.97,0.860D
[2020-11-07 14:01:24:058_R:] $GLGSA,A,3,69,79,71,85,1.29,0.97,0.861E
[2020-11-07 14:01:24:058_R:] $GPGSV,3,1,12,03,82,359,22,71,135,16,04,56,313,15,26,32,086,2172
[2020-11-07 14:01:24:058_R:] $GPGSV,3,2,12,01,30,203,14,16,26,127,16,09,24,282,18,31,19,043,7E
[2020-11-07 14:01:24:058_R:] $GPGSV,3,3,12,06,12,320,13,21,11,183,07,08,221,11,02,190,71
[2020-11-07 14:01:24:058_R:] $GLGSV,2,1,08,80,66,101,70,55,009,73,34,179,69,28,089,2062
[2020-11-07 14:01:24:197_R:] $GLGSV,2,2,08,79,25,034,21,71,22,315,17,86,19,294,85,14,244,2264
[2020-11-07 14:01:24:197_R:] $GNGLL,3358.1914,N,05127.1406,E,103126.000,A,A*42
[2020-11-07 14:01:24:197_R:] OK
[2020-11-07 14:01:24:821_S:] AT+QGNSSRD?
[2020-11-07 14:01:25:055_R:] AT+QGNSSRD?
[2020-11-07 14:01:25:055_R:] +QGNSSRD: $GNRMC,103127.000,A,3358.1914,N,05127.1406,E,0.00,141.66,071120,A75
[2020-11-07 14:01:25:055_R:] $GNVTG,141.66,T,M,0.00,N,0.00,K,A27
[2020-11-07 14:01:25:055_R:] $GNGGA,103127.000,3358.1914,N,05127.1406,E,1,7,0.97,980.6,M,-16.4,M,66
[2020-11-07 14:01:25:055_R:] $GPGSA,A,3,22,04,01,1.29,0.97,0.860D
[2020-11-07 14:01:25:055_R:] $GLGSA,A,3,69,79,71,85,1.29,0.97,0.861E
[2020-11-07 14:01:25:055_R:] $GPGSV,3,1,12,03,82,359,22,71,135,16,04,56,313,15,26,32,086,2172
[2020-11-07 14:01:25:055_R:] $GPGSV,3,2,12,01,30,203,12,16,26,127,16,09,24,282,18,31,19,043,78
[2020-11-07 14:01:25:055_R:] $GPGSV,3,3,12,06,12,320,13,21,11,183,07,08,221,11,02,190,71
[2020-11-07 14:01:25:055_R:] $GLGSV,2,1,08,80,66,101,70,55,009,73,34,179,69,28,089,2163
[2020-11-07 14:01:25:188_R:] $GLGSV,2,2,08,79,25,034,21,71,22,315,17,86,19,294,85,14,244,2264
[2020-11-07 14:01:25:188_R:] $GNGLL,3358.1914,N,05127.1406,E,103127.000,A,A*43
[2020-11-07 14:01:25:188_R:] OK
[2020-11-07 14:01:25:816_S:] AT+QGNSSRD?
[2020-11-07 14:01:26:047_R:] AT+QGNSSRD?
[2020-11-07 14:01:26:047_R:] +QGNSSRD: $GNRMC,103128.000,A,3358.1914,N,05127.1406,E,0.00,141.66,071120,A7A
[2020-11-07 14:01:26:047_R:] $GNVTG,141.66,T,M,0.00,N,0.00,K,A27
[2020-11-07 14:01:26:047_R:] $GNGGA,103128.000,3358.1914,N,05127.1406,E,1,7,0.97,980.6,M,-16.4,M,69
[2020-11-07 14:01:26:047_R:] $GPGSA,A,3,22,04,01,1.29,0.97,0.860D
[2020-11-07 14:01:26:047_R:] $GLGSA,A,3,69,79,71,85,1.29,0.97,0.861E
[2020-11-07 14:01:26:047_R:] $GPGSV,3,1,12,03,82,359,22,71,135,15,04,56,313,15,26,32,086,2171
[2020-11-07 14:01:26:047_R:] $GPGSV,3,2,12,01,30,203,15,16,26,127,16,09,24,282,18,31,19,043,7F
[2020-11-07 14:01:26:047_R:] $GPGSV,3,3,12,06,12,320,13,21,11,183,07,08,221,11,02,190,71
[2020-11-07 14:01:26:047_R:] $GLGSV,2,1,08,80,66,101,70,55,009,73,34,179,69,28,089,2163
[2020-11-07 14:01:26:186_R:] $GLGSV,2,2,08,79,25,034,21,71,22,315,17,86,19,294,85,14,244,2264
[2020-11-07 14:01:26:186_R:] $GNGLL,3358.1914,N,05127.1406,E,103128.000,A,A*4C
[2020-11-07 14:01:26:186_R:] OK
[2020-11-07 14:01:26:820_S:] AT+QGNSSRD?
[2020-11-07 14:01:27:069_R:] AT+QGNSSRD?
[2020-11-07 14:01:27:069_R:] +QGNSSRD: $GNRMC,103129.000,A,3358.1914,N,05127.1406,E,0.00,141.66,071120,A7B
[2020-11-07 14:01:27:069_R:] $GNVTG,141.66,T,M,0.00,N,0.00,K,A27
[2020-11-07 14:01:27:069_R:] $GNGGA,103129.000,3358.1914,N,05127.1406,E,1,7,0.97,980.6,M,-16.4,M,68
[2020-11-07 14:01:27:069_R:] $GPGSA,A,3,22,04,01,1.29,0.97,0.860D
[2020-11-07 14:01:27:069_R:] $GLGSA,A,3,69,79,71,85,1.29,0.97,0.861E
[2020-11-07 14:01:27:069_R:] $GPGSV,3,1,12,03,82,359,22,71,135,13,04,56,313,15,26,32,086,2177
[2020-11-07 14:01:27:069_R:] $GPGSV,3,2,12,01,30,203,14,16,26,127,16,09,24,282,17,31,19,043,71
[2020-11-07 14:01:27:069_R:] $GPGSV,3,3,12,06,12,320,13,21,11,183,07,08,221,11,02,190,71
[2020-11-07 14:01:27:069_R:] $GLGSV,2,1,08,80,66,101,70,55,009,73,34,179,69,28,089,2163
[2020-11-07 14:01:27:224_R:] $GLGSV,2,2,08,79,25,034,21,71,22,315,17,86,19,294,85,14,244,2264
[2020-11-07 14:01:27:224_R:] $GNGLL,3358.1914,N,05127.1406,E,103129.000,A,A*4D
Thank you.