PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/05-07:57:40
G01     66.4           32.2                5.5 +/-    0.69       9.2 +/-    0.69  0.040 / 0.040
G07     139.4          26.1                7.7 +/-    2.06      14.7 +/-    2.06  0.040 / 0.040
G11     50.3           26.8                4.5 +/-    2.15       8.5 +/-    2.15  0.040 / 0.110
G13     269.1          37.2                9.2 +/-    1.25      14.0 +/-    1.25  0.050 / 0.120
G15     301.8          14.5                3.3 +/-    1.94       8.2 +/-    1.94  0.070 / 0.070
G17     243.9          74.9                9.5 +/-    0.54       9.8 +/-    0.54  0.060 / 0.080
G18     44.5           14.6                1.6 +/-    1.60       4.1 +/-    1.60  0.120 / 0.290
G19     226.7          42.2               10.1 +/-    1.28      14.2 +/-    1.28  0.130 / 0.280
G28     23.3           59.0                6.7 +/-    0.64       7.7 +/-    0.64  0.070 / 0.110
G30     139.6          59.9                9.3 +/-    0.85      10.5 +/-    0.85  0.100 / 0.110