PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-08:57:40
G02     219.2          65.6                6.0 +/-    0.77       6.5 +/-    0.77  0.100 / 0.310
G06     50.5           70.7                5.4 +/-    0.58       5.7 +/-    0.58  0.080 / 0.210
G12     320.0          42.2                4.0 +/-    0.59       5.6 +/-    0.59  0.050 / 0.040
G17     59.8           29.8                4.8 +/-    1.61       8.4 +/-    1.61  0.040 / 0.030
G19     44.8           45.1                4.1 +/-    2.00       5.5 +/-    2.00  0.050 / 0.090
G24     262.5          40.1                5.9 +/-    4.14       8.5 +/-    4.14  0.070 / 0.080
G28     122.5          18.7                7.0 +/-    2.15      15.9 +/-    2.15  0.040 / 0.060