PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-00:42:50
G01     37.9           10.9                6.6 +/-    1.97      18.1 +/-    1.97  0.060 / 0.070
G02     199.3          15.0               11.0 +/-    2.67      27.2 +/-    2.67  0.060 / 0.080
G06     177.4          42.3               10.0 +/-    0.83      14.0 +/-    0.83  0.150 / 0.490
G13     231.3          17.7               10.3 +/-    2.23      23.9 +/-    2.23  0.140 / 0.390
G17     16.8           63.7                6.8 +/-    0.40       7.5 +/-    0.40  0.080 / 0.170
G19     298.0          71.1                6.9 +/-    0.51       7.2 +/-    0.51  0.070 / 0.190
G24     312.7          26.5                5.5 +/-    2.36      10.3 +/-    2.36  0.210 / 0.310
G28     77.1           46.2                7.4 +/-    0.96       9.9 +/-    0.96  0.220 / 0.470
G30     156.1          20.5               10.0 +/-    1.77      21.7 +/-    1.77  0.080 / 0.140