PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-16:27:50
G02     6.6            70.8                8.5 +/-    1.06       8.9 +/-    1.06  0.150 / 0.330
G05     159.1          45.2               10.2 +/-    1.17      13.7 +/-    1.17  0.150 / 0.400
G06     45.5           28.2                6.0 +/-    0.96      11.0 +/-    0.96  0.030 / 0.030
G12     264.5          80.1                7.2 +/-    0.77       7.3 +/-    0.77  0.030 / 0.030
G19     86.4           18.0                8.6 +/-    1.74      19.8 +/-    1.74  0.050 / 0.110
G24     220.3          14.3               11.7 +/-    3.46      29.7 +/-    3.46  0.050 / 0.110
G25     313.2          39.1                7.6 +/-    2.14      11.3 +/-    2.14  0.040 / 0.060
G29     294.8          16.2                7.8 +/-    2.46      18.9 +/-    2.46  0.030 / 0.070