PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-00:42:50
G01     123.5          14.6                8.6 +/-    2.04      21.6 +/-    2.04  0.080 / 0.090
G07     65.7           68.6                7.0 +/-    0.29       7.5 +/-    0.29  0.080 / 0.080
G08     48.2           37.5                5.4 +/-    0.91       8.2 +/-    0.91  0.170 / 0.210
G09     178.5          32.3                8.5 +/-    0.96      14.2 +/-    0.96  0.160 / 0.250
G11     116.1          37.1                9.0 +/-    1.23      13.8 +/-    1.23  0.030 / 0.020
G13     320.2          14.4                4.4 +/-    2.48      11.2 +/-    2.48  0.040 / 0.040
G17     201.0          18.5                8.3 +/-    1.48      19.1 +/-    1.48  0.150 / 0.320
G28     284.6          55.6                7.2 +/-    2.67       8.5 +/-    2.67  0.140 / 0.260
G30     346.7          67.2                5.3 +/-    0.95       5.7 +/-    0.95  0.040 / 0.050