PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-18:27:50
G01     42.3           18.2               11.6 +/-    3.65      26.7 +/-    3.65  0.120 / 0.080
G06     175.9          34.5               14.2 +/-    0.77      22.8 +/-    0.77  0.100 / 0.070
G13     239.4          24.7               13.4 +/-    1.85      26.4 +/-    1.85  0.160 / 0.320
G15     273.2          13.3               12.5 +/-    1.24      32.3 +/-    1.24  0.210 / 0.380
G17     350.9          73.7               12.5 +/-    0.62      13.0 +/-    0.62  0.180 / 0.360
G19     268.4          68.2               13.3 +/-    0.65      14.2 +/-    0.65  0.130 / 0.340
G24     317.3          16.6               12.6 +/-    1.12      30.2 +/-    1.12  0.060 / 0.040
G28     61.1           52.2               12.6 +/-    1.25      15.5 +/-    1.25  0.050 / 0.030
G30     152.7          27.7               14.0 +/-    1.01      25.7 +/-    1.01  0.040 / 0.030