PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-02:12:30
G07     315.3          51.2                3.7 +/-    0.98       4.6 +/-    0.98  0.040 / 0.070
G08     117.6          44.9                6.8 +/-    0.55       9.2 +/-    0.55  0.040 / 0.080
G09     247.1          84.5                4.4 +/-    0.76       4.4 +/-    0.76  0.100 / 0.210
G16     42.9           19.8                2.3 +/-    0.76       5.0 +/-    0.76  0.120 / 0.190
G23     149.3          60.2                7.3 +/-    0.78       8.3 +/-    0.78  0.030 / 0.050
G27     74.9           38.0                3.5 +/-    0.73       5.3 +/-    0.73  0.030 / 0.050
G28     226.7          15.3                5.3 +/-    6.78      13.2 +/-    6.78  0.170 / 0.350
G30     289.4          24.2                5.7 +/-    1.46      11.4 +/-    1.46  0.160 / 0.270