PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-10:58:00
G03     206.8          55.0                7.5 +/-    0.71       8.9 +/-    0.71  0.050 / 0.100
G07     260.4          21.4                6.8 +/-    4.38      14.5 +/-    4.38  0.070 / 0.080
G09     310.9          28.8                3.5 +/-    2.28       6.3 +/-    2.28  0.050 / 0.050
G16     92.8           64.4                5.6 +/-    0.57       6.1 +/-    0.57  0.050 / 0.060
G22     187.2          38.3                5.8 +/-    1.02       8.7 +/-    1.02  0.080 / 0.370
G23     335.7          64.0                4.2 +/-    0.81       4.6 +/-    0.81  0.090 / 0.360
G26     52.6           42.2                2.5 +/-    0.58       3.5 +/-    0.58  0.210 / 0.310
G27     133.6          11.5                5.9 +/-    2.72      15.9 +/-    2.72  0.290 / 0.300