PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-01:42:40
G07     314.7          50.9                6.4 +/-    0.63       7.9 +/-    0.63  0.080 / 0.140
G08     118.3          44.5                9.8 +/-    0.88      13.3 +/-    0.88  0.110 / 0.160
G09     258.0          84.4                6.5 +/-    0.47       6.5 +/-    0.47  0.050 / 0.050
G16     42.7           20.5                3.5 +/-    2.01       7.7 +/-    2.01  0.050 / 0.060
G23     148.9          60.9                7.8 +/-    0.30       8.8 +/-    0.30  0.170 / 0.330
G27     75.8           38.1                6.9 +/-    0.52      10.4 +/-    0.52  0.260 / 0.260
G28     226.3          14.7                4.7 +/-    7.27      11.8 +/-    7.27  0.040 / 0.050
G30     288.9          23.8                4.4 +/-    1.78       8.7 +/-    1.78  0.040 / 0.050