PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-01:13:00
G02     202.1          34.4               10.1 +/-    0.86      16.3 +/-    0.86  0.120 / 0.220
G06     163.6          66.8                8.8 +/-    0.40       9.5 +/-    0.40  0.250 / 0.270
G12     306.4          13.2                7.2 +/-    2.04      18.7 +/-    2.04  0.030 / 0.030
G17     30.6           53.5                7.5 +/-    0.67       9.1 +/-    0.67  0.030 / 0.030
G19     356.4          66.4                6.6 +/-    0.40       7.2 +/-    0.40  0.080 / 0.090
G24     300.3          36.9                6.4 +/-    3.34       9.9 +/-    3.34  0.060 / 0.120
G28     101.1          31.9                7.1 +/-    0.64      12.0 +/-    0.64  0.090 / 0.080