PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-22:27:50
G01     234.1          24.5                8.0 +/-    2.01      15.7 +/-    2.01  0.080 / 0.170
G03     306.3          59.6                7.6 +/-    0.65       8.7 +/-    0.65  0.080 / 0.150
G14     77.4           30.0                7.7 +/-    1.17      13.6 +/-    1.17  0.030 / 0.040
G16     154.3          34.4               11.3 +/-    0.90      18.2 +/-    0.90  0.030 / 0.040
G22     255.7          75.2                7.5 +/-    1.10       7.7 +/-    1.10  0.070 / 0.200
G23     298.6          28.5                6.0 +/-    1.73      10.9 +/-    1.73  0.090 / 0.230
G26     118.4          50.3                8.1 +/-    1.10      10.2 +/-    1.10  0.030 / 0.050
G31     41.2           44.5                5.7 +/-    0.46       7.7 +/-    0.46  0.040 / 0.040
G32     91.1           12.8                9.6 +/-    2.09      25.2 +/-    2.09  0.080 / 0.130