PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/04-05:43:10
G07     41.1           69.3                5.0 +/-    0.62       5.3 +/-    0.62  0.050 / 0.050
G08     53.2           41.2                4.0 +/-    0.67       5.7 +/-    0.67  0.030 / 0.050
G09     175.3          37.9                6.9 +/-    0.92      10.4 +/-    0.92  0.030 / 0.030
G11     121.8          32.7                8.3 +/-    0.62      13.8 +/-    0.62  0.030 / 0.030
G17     198.4          12.0                1.7 +/-   10.87       4.6 +/-   10.87  0.070 / 0.120
G18     106.1          14.1                6.9 +/-    3.09      17.5 +/-    3.09  0.080 / 0.130
G23     161.4          14.2               -4.4 +/-    2.84     -11.1 +/-    2.84  0.140 / 0.280
G27     38.6           13.0                1.4 +/-    1.41       3.8 +/-    1.41  0.140 / 0.330
G28     266.9          48.8                4.8 +/-    1.07       6.1 +/-    1.07  0.200 / 0.430
G30     325.3          54.9                3.4 +/-    0.56       4.0 +/-    0.56  0.190 / 0.360