PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-23:28:00
G03     244.2          68.8                5.5 +/-    0.34       5.9 +/-    0.34  0.040 / 0.050
G09     304.2          21.3                5.8 +/-    1.13      12.5 +/-    1.13  0.040 / 0.050
G14     97.1           19.0                6.5 +/-    1.22      14.7 +/-    1.22  0.110 / 0.320
G16     123.4          58.1                8.4 +/-    0.57       9.7 +/-    0.57  0.120 / 0.260
G22     198.7          56.6                6.3 +/-    0.48       7.4 +/-    0.48  0.030 / 0.030
G23     318.8          48.6                6.6 +/-    1.14       8.4 +/-    1.14  0.030 / 0.030
G26     70.0           51.5                5.0 +/-    0.83       6.2 +/-    0.83  0.040 / 0.040
G31     52.3           19.5                3.6 +/-    2.27       8.0 +/-    2.27  0.040 / 0.040