PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-11:42:20
G02     31.2           56.4                4.0 +/-    1.22       4.7 +/-    1.22  0.030 / 0.030
G05     150.9          57.6                8.4 +/-    0.52       9.7 +/-    0.52  0.030 / 0.030
G06     51.7           17.4                2.2 +/-    2.73       5.1 +/-    2.73  0.030 / 0.030
G12     193.7          69.5                8.6 +/-    0.61       9.1 +/-    0.61  0.030 / 0.040
G19     97.7           9.4                 5.1 +/-    1.44      14.3 +/-    1.44  0.080 / 0.120
G25     301.5          50.9                4.8 +/-    1.95       6.0 +/-    1.95  0.100 / 0.130
G29     304.2          24.6                3.4 +/-    1.04       6.7 +/-    1.04  0.210 / 0.280