PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-05:27:50
G01     319.8          16.9               -1.9 +/-   22.25      -4.6 +/-   22.25  0.120 / 0.220
G08     261.7          14.7                7.1 +/-    1.62      17.7 +/-    1.62  0.100 / 0.150
G10     76.7           53.2                2.7 +/-    0.99       3.3 +/-    0.99  0.180 / 0.370
G11     305.3          21.7                1.6 +/-    1.45       3.4 +/-    1.45  0.190 / 0.340
G14     287.9          70.2                3.9 +/-    0.82       4.1 +/-    0.82  0.040 / 0.040
G18     306.5          39.5                3.5 +/-    0.93       5.1 +/-    0.93  0.040 / 0.040
G20     103.3          31.0                5.0 +/-    1.32       8.6 +/-    1.32  0.040 / 0.070
G27     226.5          10.9                6.1 +/-    3.86      16.6 +/-    3.86  0.050 / 0.050
G31     175.5          39.9                5.9 +/-    1.35       8.6 +/-    1.35  0.120 / 0.230
G32     355.9          70.5                3.1 +/-    0.79       3.3 +/-    0.79  0.130 / 0.220