PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/25-06:42:30
G01     228.1          20.2                7.4 +/-    1.98      16.3 +/-    1.98  0.030 / 0.040
G03     296.9          65.5                5.0 +/-    0.53       5.5 +/-    0.53  0.030 / 0.030
G14     81.8           27.7                3.8 +/-    1.93       7.1 +/-    1.93  0.200 / 0.330
G16     149.5          40.2                5.4 +/-    0.85       7.8 +/-    0.85  0.180 / 0.370
G22     231.1          73.4                6.2 +/-    0.69       6.4 +/-    0.69  0.080 / 0.150
G23     306.5          38.1                4.2 +/-    1.70       6.3 +/-    1.70  0.080 / 0.140
G26     105.6          53.0                5.5 +/-    0.63       6.7 +/-    0.63  0.050 / 0.100
G31     44.4           34.6                3.5 +/-    1.36       5.6 +/-    1.36  0.050 / 0.080
G32     95.2           9.7                 4.8 +/-    3.77      13.4 +/-    3.77  0.290 / 0.350