PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-05:12:30
G07     343.4          61.3                3.8 +/-    0.96       4.2 +/-    0.96  0.080 / 0.140
G08     87.8           52.1                4.2 +/-    1.00       5.2 +/-    1.00  0.090 / 0.140
G09     185.1          67.7                4.0 +/-    1.08       4.3 +/-    1.08  0.040 / 0.060
G11     141.7          16.2                6.0 +/-    1.10      14.5 +/-    1.10  0.040 / 0.040
G23     157.6          37.4                7.2 +/-    0.95      11.0 +/-    0.95  0.040 / 0.040
G27     49.6           27.7                1.3 +/-    0.64       2.5 +/-    0.64  0.030 / 0.040
G28     242.3          34.5                7.5 +/-    1.71      12.0 +/-    1.71  0.040 / 0.040
G30     306.6          39.0                2.0 +/-    0.80       3.0 +/-    0.80  0.030 / 0.030