PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-09:43:00
G01     113.4          20.5                3.6 +/-    1.64       7.8 +/-    1.64  0.030 / 0.040
G07     94.3           61.9                5.4 +/-    0.47       6.1 +/-    0.47  0.030 / 0.040
G08     44.1           30.5                3.9 +/-    1.03       6.7 +/-    1.03  0.100 / 0.150
G09     175.9          21.3                4.6 +/-    2.23       9.9 +/-    2.23  0.190 / 0.140
G11     101.7          42.8                5.7 +/-    0.67       7.9 +/-    0.67  0.030 / 0.030
G13     314.7          24.3                4.0 +/-    1.61       7.9 +/-    1.61  0.030 / 0.030
G17     203.0          26.5                5.0 +/-    2.06       9.5 +/-    2.06  0.080 / 0.170
G18     88.5           22.4                3.6 +/-    1.10       7.5 +/-    1.10  0.090 / 0.210
G28     290.5          54.8                4.6 +/-    2.57       5.5 +/-    2.57  0.080 / 0.190
G30     352.7          72.1                5.5 +/-    0.53       5.8 +/-    0.53  0.070 / 0.180