PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-05:42:40
G01     79.0           32.1                5.9 +/-    0.66       9.9 +/-    0.66  0.030 / 0.030
G07     131.2          38.9                8.4 +/-    0.60      12.5 +/-    0.60  0.030 / 0.040
G11     62.9           39.6                5.2 +/-    1.48       7.6 +/-    1.48  0.040 / 0.090
G13     284.4          38.9                7.7 +/-    0.84      11.4 +/-    0.84  0.060 / 0.090
G15     308.1          14.1                3.1 +/-    2.14       7.8 +/-    2.14  0.080 / 0.190
G17     219.2          61.0               10.1 +/-    0.79      11.3 +/-    0.79  0.080 / 0.200
G19     217.1          36.2               10.0 +/-    1.75      15.5 +/-    1.75  0.060 / 0.100
G28     345.0          61.5                4.9 +/-    0.81       5.5 +/-    0.81  0.060 / 0.080
G30     121.3          74.2                8.5 +/-    0.71       8.8 +/-    0.71  0.040 / 0.070