PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-16:43:00
G01     48.0           23.8                7.7 +/-    0.46      15.4 +/-    0.46  0.040 / 0.060
G06     177.1          26.1               11.9 +/-    2.20      22.7 +/-    2.20  0.040 / 0.050
G11     44.1           13.7                6.8 +/-    1.65      17.4 +/-    1.65  0.120 / 0.260
G13     247.5          30.1               11.6 +/-    1.42      20.3 +/-    1.42  0.120 / 0.280
G15     281.5          15.4                9.6 +/-    1.59      23.6 +/-    1.59  0.090 / 0.150
G17     312.4          78.2               10.9 +/-    0.54      11.1 +/-    0.54  0.100 / 0.130
G19     249.4          62.5               11.6 +/-    0.62      13.0 +/-    0.62  0.030 / 0.030
G28     47.1           55.7                9.5 +/-    0.72      11.3 +/-    0.72  0.030 / 0.030
G30     149.9          37.3               10.8 +/-    1.11      16.4 +/-    1.11  0.050 / 0.050