PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-00:58:00
G02     200.5          27.5                9.8 +/-    1.48      18.0 +/-    1.48  0.030 / 0.030
G06     169.1          59.3                8.9 +/-    0.36      10.1 +/-    0.36  0.030 / 0.030
G17     23.0           58.5                7.6 +/-    0.99       8.7 +/-    0.99  0.040 / 0.080
G19     338.5          69.5                7.0 +/-    0.43       7.4 +/-    0.43  0.060 / 0.070
G24     306.5          32.9                6.5 +/-    2.43      10.7 +/-    2.43  0.110 / 0.150
G28     94.2           36.2                7.9 +/-    1.27      12.3 +/-    1.27  0.150 / 0.150