PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-22:13:10
G01     228.9          19.8                9.2 +/-    1.55      20.4 +/-    1.55  0.060 / 0.090
G03     296.2          65.1                5.3 +/-    1.02       5.8 +/-    1.02  0.040 / 0.090
G14     83.4           25.9                8.5 +/-    1.72      16.3 +/-    1.72  0.100 / 0.200
G16     150.3          40.7               11.5 +/-    0.69      16.5 +/-    0.69  0.100 / 0.210
G22     229.2          73.1                8.3 +/-    0.83       8.7 +/-    0.83  0.100 / 0.200
G23     303.4          32.9                7.7 +/-    1.28      12.8 +/-    1.28  0.140 / 0.200
G26     108.1          53.6                7.8 +/-    0.69       9.5 +/-    0.69  0.030 / 0.040
G31     43.0           38.8                4.7 +/-    0.54       7.0 +/-    0.54  0.030 / 0.040