PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-03:58:00
G07     330.1          56.8                3.8 +/-    0.45       4.4 +/-    0.45  0.140 / 0.190
G08     102.4          50.9                5.8 +/-    0.46       7.2 +/-    0.46  0.120 / 0.120
G09     197.0          76.7                5.3 +/-    0.77       5.4 +/-    0.77  0.040 / 0.040
G11     147.4          11.1                4.6 +/-    7.83      12.6 +/-    7.83  0.040 / 0.040
G16     45.4           13.8                2.0 +/-    1.12       5.2 +/-    1.12  0.140 / 0.410
G23     154.9          45.8                6.1 +/-    0.55       8.2 +/-    0.55  0.210 / 0.170
G27     56.9           32.2                3.9 +/-    1.09       6.6 +/-    1.09  0.030 / 0.050
G28     235.5          28.1                4.5 +/-    1.67       8.2 +/-    1.67  0.030 / 0.040
G30     300.2          34.0                2.2 +/-    2.31       3.6 +/-    2.31  0.050 / 0.060