PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-05:58:00
G01     112.1          22.6                5.5 +/-    1.06      11.4 +/-    1.06  0.040 / 0.050
G07     98.2           61.2                5.7 +/-    0.62       6.4 +/-    0.62  0.050 / 0.050
G08     42.6           24.2                2.5 +/-    2.08       5.0 +/-    2.08  0.030 / 0.030
G09     175.9          18.7                5.6 +/-    2.49      12.7 +/-    2.49  0.030 / 0.040
G11     96.6           41.5                5.6 +/-    0.91       8.0 +/-    0.91  0.080 / 0.090
G13     314.3          23.8                2.1 +/-    1.42       4.1 +/-    1.42  0.080 / 0.090
G17     203.6          33.8                5.6 +/-    0.99       9.1 +/-    0.99  0.130 / 0.170
G28     308.7          60.1                3.2 +/-    1.08       3.6 +/-    1.08  0.060 / 0.080
G30     7.8            74.9                5.4 +/-    0.62       5.6 +/-    0.62  0.090 / 0.130