PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/24-04:28:00
G02     25.7           62.1                2.2 +/-    0.79       2.5 +/-    0.79  0.030 / 0.020
G05     149.9          53.6                5.0 +/-    0.62       6.1 +/-    0.62  0.030 / 0.020
G06     48.5           24.6                2.1 +/-    1.81       4.2 +/-    1.81  0.150 / 0.170
G12     229.5          77.6                3.5 +/-    0.62       3.6 +/-    0.62  0.130 / 0.150
G19     91.8           16.2                3.9 +/-    1.89       9.3 +/-    1.89  0.030 / 0.040
G25     309.1          45.0                3.4 +/-    1.44       4.6 +/-    1.44  0.030 / 0.040
G29     300.3          21.0                2.5 +/-    2.25       5.3 +/-    2.25  0.040 / 0.040