PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-20:12:30
G02     308.1          81.0                8.4 +/-    0.30       8.5 +/-    0.30  0.110 / 0.160
G05     166.3          28.0               11.9 +/-    1.11      21.7 +/-    1.11  0.110 / 0.140
G06     39.9           46.2                6.4 +/-    0.68       8.5 +/-    0.68  0.090 / 0.210
G12     318.1          62.8                8.0 +/-    1.09       8.8 +/-    1.09  0.090 / 0.190
G17     80.1           16.2                8.5 +/-    2.05      20.4 +/-    2.05  0.030 / 0.040
G19     69.7           29.7                8.1 +/-    1.05      14.3 +/-    1.05  0.030 / 0.040
G24     233.3          26.7               14.0 +/-    0.93      26.3 +/-    0.93  0.030 / 0.050
G25     317.5          22.8                5.5 +/-    1.45      11.3 +/-    1.45  0.030 / 0.050