PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/12-00:27:50
G03     194.3          28.9                8.1 +/-    2.47      14.6 +/-    2.47  0.080 / 0.090
G07     283.8          35.0                7.0 +/-    0.61      11.1 +/-    0.61  0.060 / 0.090
G08     144.3          22.5                9.0 +/-    1.74      18.7 +/-    1.74  0.030 / 0.040
G09     321.7          57.6                5.8 +/-    0.83       6.8 +/-    0.83  0.020 / 0.030
G16     46.6           46.9                3.3 +/-    0.44       4.4 +/-    0.44  0.080 / 0.110
G22     180.3          13.6                7.9 +/-    4.91      20.3 +/-    4.91  0.080 / 0.110
G23     36.5           83.6                4.6 +/-    0.44       4.6 +/-    0.44  0.040 / 0.080
G26     43.4           20.1                3.0 +/-    0.61       6.5 +/-    0.61  0.030 / 0.070
G27     111.5          29.6                7.9 +/-    1.00      14.0 +/-    1.00  0.070 / 0.300