PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/07-14:28:10
G08     297.3          21.7                6.3 +/-    1.82      13.3 +/-    1.82  0.070 / 0.090
G10     2.1            62.9                4.4 +/-    0.96       4.9 +/-    0.96  0.060 / 0.090
G14     228.4          43.5                7.7 +/-    1.56      10.7 +/-    1.56  0.040 / 0.060
G21     144.9          39.5                7.7 +/-    0.44      11.4 +/-    0.44  0.060 / 0.070
G24     58.5           26.9                4.9 +/-    0.87       9.1 +/-    0.87  0.100 / 0.090
G27     255.2          32.4                4.9 +/-    2.20       8.1 +/-    2.20  0.110 / 0.110
G32     243.1          66.7                7.1 +/-    0.46       7.7 +/-    0.46  0.030 / 0.020