PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-04:57:30
G02     242.7          77.7                4.3 +/-    0.34       4.4 +/-    0.34  0.170 / 0.340
G05     171.0          16.6                7.1 +/-    1.59      17.0 +/-    1.59  0.160 / 0.260
G06     40.5           61.0                5.2 +/-    0.52       5.9 +/-    0.52  0.030 / 0.040
G12     321.3          50.1                3.9 +/-    0.43       4.9 +/-    0.43  0.030 / 0.040
G17     70.0           24.1                5.5 +/-    0.73      11.0 +/-    0.73  0.070 / 0.080
G19     57.1           38.7                4.5 +/-    1.36       6.7 +/-    1.36  0.090 / 0.090
G24     246.6          35.1                6.1 +/-    1.97       9.6 +/-    1.97  0.030 / 0.030
G25     316.6          11.3               -9.9 +/-   25.37     -26.8 +/-   25.37  0.030 / 0.030