PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-05:28:00
G07     336.4          59.0                3.3 +/-    1.02       3.8 +/-    1.02  0.080 / 0.190
G08     95.2           51.7                6.3 +/-    0.48       7.8 +/-    0.48  0.080 / 0.190
G09     188.8          72.3                4.6 +/-    0.76       4.8 +/-    0.76  0.040 / 0.050
G11     144.5          13.5                3.5 +/-    2.74       9.1 +/-    2.74  0.030 / 0.050
G16     46.5           11.7                2.0 +/-    2.83       5.3 +/-    2.83  0.130 / 0.430
G23     156.3          42.1                6.9 +/-    1.20       9.7 +/-    1.20  0.110 / 0.390
G27     53.3           30.2                3.3 +/-    0.41       5.7 +/-    0.41  0.030 / 0.050
G28     238.5          31.1                5.8 +/-    1.92       9.9 +/-    1.92  0.030 / 0.060
G30     302.9          35.9                5.0 +/-    0.46       7.8 +/-    0.46  0.040 / 0.040