PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-15:42:50
G02     221.6          62.6                9.3 +/-    0.91      10.4 +/-    0.91  0.040 / 0.080
G06     48.0           68.9                9.3 +/-    0.53       9.9 +/-    0.53  0.060 / 0.080
G12     319.4          40.2                7.5 +/-    1.40      10.9 +/-    1.40  0.070 / 0.240
G17     59.0           32.1                8.6 +/-    1.12      14.5 +/-    1.12  0.090 / 0.250
G19     46.2           44.4                8.6 +/-    1.22      11.7 +/-    1.22  0.040 / 0.070
G24     259.6          39.7                9.3 +/-    1.40      13.6 +/-    1.40  0.040 / 0.060
G28     124.2          15.6               10.0 +/-    1.43      24.5 +/-    1.43  0.060 / 0.090