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                2.5 +/-   16.72       5.8 +/-   16.72  0.210 / 0.330
G08     261.7          14.7                7.2 +/-    1.14      18.1 +/-    1.14  0.220 / 0.330
G10     76.7           53.2                4.4 +/-    0.64       5.4 +/-    0.64  0.040 / 0.030
G11     305.3          21.7                4.5 +/-    1.11       9.6 +/-    1.11  0.050 / 0.030
G14     287.9          70.2                4.5 +/-    0.44       4.8 +/-    0.44  0.130 / 0.330
G18     306.5          39.5                3.4 +/-    1.84       5.0 +/-    1.84  0.140 / 0.270
G20     103.3          31.0                4.0 +/-    1.23       6.9 +/-    1.23  0.050 / 0.060
G27     226.5          10.9                7.3 +/-    2.25      20.0 +/-    2.25  0.050 / 0.050
G31     175.5          39.9                5.3 +/-    1.29       7.7 +/-    1.29  0.160 / 0.320
G32     355.9          70.5                4.7 +/-    0.85       4.9 +/-    0.85  0.130 / 0.390