PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/16-19:27:50
G01     302.5          36.4                6.3 +/-    2.26       9.7 +/-    2.26  0.090 / 0.100
G10     111.1          35.6                8.2 +/-    0.61      12.9 +/-    0.61  0.070 / 0.080
G11     274.4          28.0                6.9 +/-    1.16      12.6 +/-    1.16  0.090 / 0.190
G14     8.8            64.2                6.1 +/-    0.45       6.7 +/-    0.45  0.090 / 0.140
G18     263.7          51.1               10.1 +/-    6.44      12.6 +/-    6.44  0.030 / 0.050
G20     123.5          10.2                8.9 +/-    2.32      24.7 +/-    2.32  0.040 / 0.040
G22     311.5          29.6                7.9 +/-    1.04      14.0 +/-    1.04  0.050 / 0.060
G25     71.0           16.0                6.5 +/-    0.95      15.8 +/-    0.95  0.050 / 0.060
G31     169.4          67.5                7.1 +/-    0.41       7.6 +/-    0.41  0.080 / 0.090
G32     40.4           49.7                5.5 +/-    1.38       7.0 +/-    1.38  0.100 / 0.100