PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-14:12:20
G02     32.0           55.6                6.2 +/-    1.15       7.3 +/-    1.15  0.030 / 0.050
G05     146.3          60.6                9.6 +/-    0.59      10.8 +/-    0.59  0.030 / 0.050
G06     53.4           14.9                5.5 +/-    2.07      13.7 +/-    2.07  0.030 / 0.050
G12     194.5          67.5                6.1 +/-    0.75       6.5 +/-    0.75  0.030 / 0.040
G25     298.1          52.6                6.2 +/-    2.99       7.6 +/-    2.99  0.060 / 0.060
G29     306.4          27.0                7.8 +/-    1.69      14.6 +/-    1.69  0.060 / 0.080