PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-15:58:10
G02     25.9           60.5                8.7 +/-    0.89       9.9 +/-    0.89  0.040 / 0.060
G05     150.1          58.2               10.5 +/-    0.39      12.1 +/-    0.39  0.040 / 0.050
G06     52.5           17.1                8.3 +/-    2.43      19.5 +/-    2.43  0.030 / 0.030
G12     196.1          69.2                8.8 +/-    0.51       9.3 +/-    0.51  0.030 / 0.030
G19     96.2           15.0                8.2 +/-    2.66      20.3 +/-    2.66  0.030 / 0.030
G25     298.4          53.9                9.4 +/-    1.64      11.4 +/-    1.64  0.030 / 0.030
G29     305.0          25.3                7.7 +/-    0.89      15.0 +/-    0.89  0.160 / 0.180