PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-03:12:30
G02     326.5          81.3                4.4 +/-    0.54       4.4 +/-    0.54  0.030 / 0.040
G05     165.3          29.2                8.0 +/-    1.28      14.2 +/-    1.28  0.020 / 0.040
G06     40.3           46.1                2.0 +/-    0.38       2.7 +/-    0.38  0.040 / 0.080
G12     317.6          64.7                2.4 +/-    1.57       2.6 +/-    1.57  0.040 / 0.100
G17     80.4           17.5                4.0 +/-    1.15       9.4 +/-    1.15  0.090 / 0.190
G19     69.9           30.9                5.0 +/-    0.67       8.6 +/-    0.67  0.090 / 0.230
G24     233.1          26.5                8.1 +/-    0.81      15.3 +/-    0.81  0.030 / 0.030
G25     317.8          23.0                0.8 +/-    1.43       1.6 +/-    1.43  0.030 / 0.040