PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/06-07:58:00
G01     64.2           31.8                3.1 +/-    0.92       5.3 +/-    0.92  0.050 / 0.030
G07     140.3          24.4                6.5 +/-    1.74      12.9 +/-    1.74  0.040 / 0.040
G11     49.2           25.3                2.7 +/-    1.33       5.2 +/-    1.33  0.050 / 0.130
G13     266.7          36.8                8.2 +/-    1.52      12.6 +/-    1.52  0.070 / 0.160
G15     300.1          14.8                0.6 +/-    2.26       1.6 +/-    2.26  0.050 / 0.090
G17     250.1          76.4                7.4 +/-    0.76       7.6 +/-    0.76  0.050 / 0.080
G18     43.2           13.4               -0.1 +/-    1.01      -0.2 +/-    1.01  0.080 / 0.130
G19     228.2          44.0                6.5 +/-    1.71       8.9 +/-    1.71  0.070 / 0.110
G28     26.6           58.5                3.2 +/-    0.41       3.7 +/-    0.41  0.090 / 0.210
G30     141.2          58.0                5.8 +/-    0.76       6.7 +/-    0.76  0.090 / 0.190