PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-14:43:10
G02     203.9          30.1                9.2 +/-    2.01      16.1 +/-    2.01  0.100 / 0.270
G03     60.4           9.7               -13.9 +/-   23.20     -39.1 +/-   23.20  0.100 / 0.090
G06     155.2          69.2                9.5 +/-    0.56      10.1 +/-    0.56  0.070 / 0.090
G12     308.3          18.8                7.0 +/-    1.24      15.8 +/-    1.24  0.080 / 0.130
G17     36.6           48.6                7.2 +/-    1.39       9.2 +/-    1.39  0.100 / 0.120
G19     347.8          67.3                7.0 +/-    0.38       7.5 +/-    0.38  0.040 / 0.020
G24     297.8          38.8                6.5 +/-    4.96       9.6 +/-    4.96  0.030 / 0.030
G28     100.9          32.3                7.7 +/-    1.43      12.9 +/-    1.43  0.030 / 0.030