PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-21:12:40
G02     235.4          73.6               10.5 +/-    0.77      10.9 +/-    0.77  0.090 / 0.110
G05     172.1          14.2               12.8 +/-    2.66      32.5 +/-    2.66  0.070 / 0.110
G06     41.2           62.5                9.7 +/-    0.49      10.8 +/-    0.49  0.040 / 0.050
G12     320.6          46.6                6.9 +/-    1.12       9.1 +/-    1.12  0.030 / 0.040
G17     67.9           24.5                9.2 +/-    1.47      18.2 +/-    1.47  0.040 / 0.060
G19     54.5           39.5                9.7 +/-    0.60      14.2 +/-    0.60  0.060 / 0.060
G24     247.8          36.1               12.1 +/-    0.88      18.8 +/-    0.88  0.120 / 0.290