PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-07:12:40
G01     81.6           32.0                5.4 +/-    0.78       9.1 +/-    0.78  0.030 / 0.030
G07     129.8          40.1                7.4 +/-    0.45      10.7 +/-    0.45  0.030 / 0.030
G11     64.3           40.0                4.2 +/-    0.42       6.0 +/-    0.42  0.050 / 0.080
G13     287.0          38.6                5.1 +/-    1.99       7.6 +/-    1.99  0.040 / 0.100
G15     310.4          12.8                3.1 +/-    1.60       8.1 +/-    1.60  0.070 / 0.100
G17     217.5          58.2                7.7 +/-    0.73       8.9 +/-    0.73  0.070 / 0.100
G19     216.1          34.2                9.1 +/-    1.17      14.6 +/-    1.17  0.050 / 0.070
G28     342.1          61.4                3.5 +/-    0.48       4.0 +/-    0.48  0.040 / 0.070
G30     116.9          75.1                7.1 +/-    0.74       7.3 +/-    0.74  0.040 / 0.060