PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/24-00:57:50
G02     199.4          20.2               10.0 +/-    2.47      21.8 +/-    2.47  0.050 / 0.030
G06     172.6          51.0                9.3 +/-    0.55      11.6 +/-    0.55  0.030 / 0.020
G13     229.3          14.5               10.3 +/-    1.79      25.8 +/-    1.79  0.030 / 0.030
G17     13.6           63.9                6.5 +/-    0.58       7.1 +/-    0.58  0.030 / 0.030
G19     314.6          71.2                6.8 +/-    0.50       7.1 +/-    0.50  0.040 / 0.060
G24     311.7          27.7                7.1 +/-    1.14      13.1 +/-    1.14  0.040 / 0.080
G28     86.0           40.5                7.4 +/-    1.23      10.7 +/-    1.23  0.080 / 0.160
G30     156.0          14.3                9.5 +/-    1.60      24.2 +/-    1.60  0.110 / 0.150