PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-06:57:40
G01     47.0           22.7                2.6 +/-    0.69       5.3 +/-    0.69  0.170 / 0.310
G06     176.1          27.1                5.1 +/-    1.27       9.5 +/-    1.27  0.110 / 0.400
G07     146.4          10.6                4.7 +/-    1.19      12.9 +/-    1.19  0.040 / 0.070
G11     44.9           16.8                1.7 +/-    1.16       4.2 +/-    1.16  0.040 / 0.070
G13     246.9          30.2                8.0 +/-    1.45      13.9 +/-    1.45  0.090 / 0.230
G15     279.6          15.7                4.8 +/-    0.99      11.7 +/-    0.99  0.120 / 0.280
G17     324.4          78.4                6.5 +/-    0.88       6.7 +/-    0.88  0.030 / 0.040
G19     250.4          63.9                7.2 +/-    1.34       7.9 +/-    1.34  0.050 / 0.050
G28     43.2           57.2                5.7 +/-    1.14       6.7 +/-    1.14  0.040 / 0.050
G30     151.7          43.0                7.9 +/-    0.68      10.9 +/-    0.68  0.040 / 0.050