PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-10:13:00
G03     209.4          57.1                5.5 +/-    1.14       6.4 +/-    1.14  0.080 / 0.150
G07     258.8          19.9                6.6 +/-    1.50      14.6 +/-    1.50  0.090 / 0.170
G09     310.1          27.4                1.1 +/-    1.34       2.1 +/-    1.34  0.050 / 0.080
G16     96.9           64.2                4.5 +/-    0.98       5.0 +/-    0.98  0.070 / 0.090
G22     188.2          40.5                5.5 +/-    1.72       7.9 +/-    1.72  0.040 / 0.060
G23     334.5          62.9                3.8 +/-    0.67       4.2 +/-    0.67  0.030 / 0.050
G26     53.9           43.4                3.1 +/-    0.41       4.3 +/-    0.41  0.170 / 0.270
G27     134.9          10.2              -12.5 +/-   25.90     -34.8 +/-   25.90  0.210 / 0.270