PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-07:58:00
G01     54.5           28.2                4.1 +/-    0.97       7.5 +/-    0.97  0.050 / 0.060
G06     178.8          20.0                6.3 +/-    2.04      13.8 +/-    2.04  0.040 / 0.060
G07     144.3          15.7                6.8 +/-    0.99      16.6 +/-    0.99  0.080 / 0.130
G11     45.4           17.9                3.0 +/-    0.86       6.9 +/-    0.86  0.140 / 0.150
G13     255.4          33.2                6.5 +/-    1.87      10.6 +/-    1.87  0.040 / 0.110
G15     291.1          15.3                3.4 +/-    1.44       8.3 +/-    1.44  0.040 / 0.100
G17     299.5          80.1                7.8 +/-    0.42       7.9 +/-    0.42  0.070 / 0.140
G19     237.8          52.5                7.6 +/-    0.88       9.3 +/-    0.88  0.100 / 0.120
G28     42.3           55.8                6.6 +/-    0.66       7.9 +/-    0.66  0.120 / 0.290
G30     147.7          48.3               10.0 +/-    0.85      12.8 +/-    0.85  0.140 / 0.220