PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-03:42:30
G07     0.5            65.5                3.6 +/-    0.59       3.9 +/-    0.59  0.050 / 0.130
G08     72.9           50.9                5.3 +/-    0.66       6.7 +/-    0.66  0.050 / 0.110
G09     181.8          57.9                8.2 +/-    0.45       9.5 +/-    0.45  0.040 / 0.040
G11     135.9          22.2                4.5 +/-    2.19       9.3 +/-    2.19  0.030 / 0.040
G23     159.5          27.3                5.7 +/-    2.46      10.5 +/-    2.46  0.050 / 0.030
G27     43.4           21.5                4.3 +/-    1.83       9.2 +/-    1.83  0.050 / 0.030
G28     251.5          41.4                4.9 +/-    1.93       7.0 +/-    1.93  0.030 / 0.030
G30     315.3          46.5                4.2 +/-    0.50       5.6 +/-    0.50  0.040 / 0.030