PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/24-07:13:10
G03     191.8          23.1                6.1 +/-    2.50      12.5 +/-    2.50  0.040 / 0.090
G07     290.4          39.2                5.3 +/-    1.34       7.8 +/-    1.34  0.040 / 0.090
G08     146.5          24.8                7.0 +/-    1.57      13.7 +/-    1.57  0.050 / 0.070
G09     321.0          61.4                5.2 +/-    0.93       5.8 +/-    0.93  0.050 / 0.070
G16     43.7           39.0                3.6 +/-    0.46       5.4 +/-    0.46  0.040 / 0.040
G23     112.8          77.9                5.9 +/-    0.57       6.0 +/-    0.57  0.040 / 0.040
G26     43.7           12.3                1.4 +/-    0.95       3.7 +/-    0.95  0.050 / 0.080
G27     102.2          32.7                6.7 +/-    0.54      11.1 +/-    0.54  0.040 / 0.080
G30     272.5          11.4                2.7 +/-   19.63       7.4 +/-   19.63  0.050 / 0.040