PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-09:57:50
G02     204.8          40.3                7.7 +/-    0.54      11.1 +/-    0.54  0.090 / 0.170
G06     144.5          74.4                5.6 +/-    0.66       5.8 +/-    0.66  0.080 / 0.150
G12     310.4          21.6                3.5 +/-    2.14       7.5 +/-    2.14  0.040 / 0.040
G17     40.0           45.8                3.0 +/-    0.61       4.0 +/-    0.61  0.030 / 0.040
G19     15.2           60.9                3.0 +/-    0.64       3.3 +/-    0.64  0.090 / 0.120
G24     293.0          39.1                6.5 +/-    1.34       9.7 +/-    1.34  0.100 / 0.080
G28     103.4          34.7                5.8 +/-    0.70       9.2 +/-    0.70  0.060 / 0.120