PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/12-00:12:40
G03     197.1          35.6                8.9 +/-    1.19      14.0 +/-    1.19  0.070 / 0.130
G07     277.4          31.1                6.8 +/-    0.76      11.6 +/-    0.76  0.060 / 0.110
G08     148.6          17.1               10.1 +/-    2.25      23.9 +/-    2.25  0.030 / 0.040
G09     320.3          50.9                5.2 +/-    0.66       6.5 +/-    0.66  0.030 / 0.040
G16     51.9           53.1                4.0 +/-    0.55       4.9 +/-    0.55  0.060 / 0.120
G22     182.4          19.6                7.7 +/-    2.01      17.1 +/-    2.01  0.060 / 0.110
G23     359.4          78.6                4.7 +/-    0.56       4.8 +/-    0.56  0.040 / 0.060
G26     43.9           26.0                4.6 +/-    1.24       8.8 +/-    1.24  0.040 / 0.060
G27     118.1          25.4                7.8 +/-    1.29      15.0 +/-    1.29  0.090 / 0.220