PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-02:57:40
G10     306.8          55.1                8.1 +/-    1.00       9.6 +/-    1.00  0.070 / 0.080
G14     211.3          16.1               12.3 +/-    4.51      29.9 +/-    4.51  0.070 / 0.090
G15     45.5           22.7                3.8 +/-    0.58       7.8 +/-    0.58  0.040 / 0.040
G20     4.2            64.7                8.8 +/-    0.58       9.6 +/-    0.58  0.030 / 0.040
G24     92.3           28.2                7.6 +/-    1.62      13.8 +/-    1.62  0.150 / 0.280
G27     295.9          35.8                8.9 +/-    0.57      13.9 +/-    0.57  0.140 / 0.330
G32     212.8          34.8               12.5 +/-    1.91      19.9 +/-    1.91  0.060 / 0.150