PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-03:42:50
G02     203.4          39.8                6.9 +/-    1.75      10.0 +/-    1.75  0.090 / 0.150
G06     160.5          71.0                4.3 +/-    0.92       4.6 +/-    0.92  0.080 / 0.180
G12     308.9          16.4                1.7 +/-    3.57       4.2 +/-    3.57  0.030 / 0.050
G17     37.3           48.4                2.1 +/-    1.07       2.7 +/-    1.07  0.030 / 0.040
G19     8.3            63.2                1.8 +/-    0.74       2.0 +/-    0.74  0.130 / 0.240
G24     295.3          39.0                4.2 +/-    2.27       6.2 +/-    2.27  0.190 / 0.250
G28     105.8          28.6                3.4 +/-    0.51       6.1 +/-    0.51  0.060 / 0.090