PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-08:13:00
G02     201.7          25.9                4.6 +/-    2.29       8.7 +/-    2.29  0.260 / 0.510
G06     168.5          60.1                8.0 +/-    0.98       9.1 +/-    0.98  0.240 / 0.320
G17     31.4           52.8                3.9 +/-    0.73       4.8 +/-    0.73  0.060 / 0.090
G19     333.5          69.5                5.3 +/-    0.78       5.6 +/-    0.78  0.060 / 0.090
G24     302.0          37.3                5.0 +/-    1.10       7.7 +/-    1.10  0.030 / 0.050
G28     93.5           37.6                6.8 +/-    0.67      10.4 +/-    0.67  0.030 / 0.050
G30     158.2          10.2                6.3 +/-    3.23      17.6 +/-    3.23  0.050 / 0.110