PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-04:12:40
G01     118.0          18.5                7.7 +/-    1.54      17.5 +/-    1.54  0.030 / 0.040
G07     86.8           64.2                6.5 +/-    0.64       7.2 +/-    0.64  0.030 / 0.040
G08     43.7           28.0                3.0 +/-    0.72       5.5 +/-    0.72  0.040 / 0.030
G09     175.0          22.7                9.6 +/-    3.49      19.7 +/-    3.49  0.030 / 0.040
G11     102.8          40.6                7.5 +/-    0.44      10.9 +/-    0.44  0.060 / 0.110
G13     316.9          20.8                3.1 +/-    3.10       6.6 +/-    3.10  0.060 / 0.100
G17     200.8          28.2                8.3 +/-    1.80      15.0 +/-    1.80  0.080 / 0.270
G28     291.6          56.6                6.1 +/-    0.96       7.1 +/-    0.96  0.110 / 0.280
G30     345.2          68.6                3.6 +/-    0.81       3.8 +/-    0.81  0.040 / 0.060