PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/18-21:27:50
G01     233.5          24.0                8.4 +/-    2.28      16.9 +/-    2.28  0.130 / 0.210
G03     305.3          60.5                9.1 +/-    1.11      10.3 +/-    1.11  0.090 / 0.240
G14     78.1           29.5                8.9 +/-    1.42      15.8 +/-    1.42  0.040 / 0.050
G16     154.5          34.6               11.4 +/-    0.65      18.2 +/-    0.65  0.040 / 0.060
G18     206.2          12.4                8.7 +/-    3.36      22.9 +/-    3.36  0.070 / 0.120
G22     251.6          75.3                8.9 +/-    0.67       9.1 +/-    0.67  0.070 / 0.120
G23     299.1          28.9                9.7 +/-    1.57      17.4 +/-    1.57  0.080 / 0.160
G26     118.6          50.7               10.7 +/-    0.63      13.4 +/-    0.63  0.090 / 0.190
G31     41.1           44.8                7.3 +/-    0.59       9.8 +/-    0.59  0.040 / 0.040
G32     91.4           12.7                9.7 +/-    1.78      25.4 +/-    1.78  0.040 / 0.030