PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-09:12:30
G03     235.7          68.8                6.3 +/-    0.39       6.7 +/-    0.39  0.040 / 0.060
G09     302.5          16.7                5.3 +/-    2.25      12.7 +/-    2.25  0.040 / 0.060
G14     98.8           15.0                3.8 +/-    1.38       9.5 +/-    1.38  0.040 / 0.040
G16     128.5          57.8                7.8 +/-    0.80       9.1 +/-    0.80  0.050 / 0.040
G22     195.4          55.5                7.2 +/-    0.69       8.6 +/-    0.69  0.120 / 0.350
G23     321.6          51.7                5.8 +/-    1.20       7.2 +/-    1.20  0.130 / 0.310
G26     70.9           52.1                5.9 +/-    0.61       7.3 +/-    0.61  0.030 / 0.050
G31     52.4           18.8                3.8 +/-    1.60       8.6 +/-    1.60  0.030 / 0.050