PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-09:42:50
G01     100.4          27.5                6.9 +/-    1.24      12.8 +/-    1.24  0.040 / 0.060
G07     114.5          52.4                5.6 +/-    0.41       6.9 +/-    0.41  0.060 / 0.090
G08     41.8           18.9                2.4 +/-    1.10       5.3 +/-    1.10  0.060 / 0.140
G11     83.2           44.2                5.8 +/-    0.71       7.9 +/-    0.71  0.060 / 0.150
G13     304.8          32.7                5.2 +/-    1.11       8.6 +/-    1.11  0.040 / 0.080
G17     207.6          40.1                6.4 +/-    1.81       9.2 +/-    1.81  0.040 / 0.090
G18     74.2           24.6                4.9 +/-    0.77       9.7 +/-    0.77  0.120 / 0.380
G19     209.4          19.2               -2.7 +/-    8.58      -6.1 +/-    8.58  0.120 / 0.380
G28     313.3          59.2                5.1 +/-    1.34       5.9 +/-    1.34  0.070 / 0.140
G30     41.1           80.2                4.7 +/-    0.67       4.7 +/-    0.67  0.060 / 0.160