PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-02:13:10
G02     40.1           49.3                6.6 +/-    0.51       8.4 +/-    0.51  0.040 / 0.040
G05     120.2          67.0                8.4 +/-    0.40       9.1 +/-    0.40  0.030 / 0.040
G06     57.8           10.6                6.1 +/-    1.50      16.8 +/-    1.50  0.030 / 0.040
G12     192.8          60.2                9.5 +/-    1.16      10.7 +/-    1.16  0.030 / 0.050
G25     286.7          56.3                7.5 +/-    0.78       8.9 +/-    0.78  0.040 / 0.060
G29     311.7          32.5                7.4 +/-    1.54      12.4 +/-    1.54  0.040 / 0.050