PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-08:28:10
G02     206.1          45.9                6.9 +/-    1.73       9.1 +/-    1.73  0.100 / 0.150
G06     130.2          77.4                6.4 +/-    0.49       6.5 +/-    0.49  0.060 / 0.160
G12     312.7          25.8                3.6 +/-    2.13       6.8 +/-    2.13  0.040 / 0.060
G17     44.2           42.2               -1.8 +/-    0.34      -2.5 +/-    0.34  0.060 / 0.060
G19     21.9           57.9                4.4 +/-    0.59       5.1 +/-    0.59  0.030 / 0.040
G24     287.8          40.4                3.0 +/-    1.51       4.3 +/-    1.51  0.030 / 0.050
G28     107.2          32.3                6.5 +/-    0.78      10.8 +/-    0.78  0.150 / 0.150