PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-14:13:10
G02     203.8          29.3                8.6 +/-    1.53      15.3 +/-    1.53  0.110 / 0.220
G03     61.1           9.7               -15.8 +/-   17.92     -44.3 +/-   17.92  0.140 / 0.190
G06     155.9          68.6                7.9 +/-    0.51       8.4 +/-    0.51  0.110 / 0.190
G12     308.1          18.7                4.7 +/-    1.49      10.7 +/-    1.49  0.090 / 0.090
G17     36.3           48.8                4.5 +/-    0.93       5.7 +/-    0.93  0.060 / 0.080
G19     345.7          67.6                4.5 +/-    0.72       4.9 +/-    0.72  0.040 / 0.030
G24     298.3          38.6                5.2 +/-    4.00       7.7 +/-    4.00  0.040 / 0.030
G28     100.2          32.8                6.6 +/-    1.60      10.9 +/-    1.60  0.030 / 0.030