PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-02:12:50
G10     280.1          46.0               11.5 +/-    0.94      15.3 +/-    0.94  0.080 / 0.050
G15     50.2           39.0                7.5 +/-    0.77      11.1 +/-    0.77  0.080 / 0.040
G20     320.2          63.8                9.5 +/-    0.74      10.4 +/-    0.74  0.080 / 0.140
G21     38.2           76.6               -2.7 +/-    0.36      -2.8 +/-    0.36  0.070 / 0.150
G24     111.4          20.3               10.6 +/-    0.68      23.1 +/-    0.68  0.060 / 0.070
G27     313.2          26.1                8.1 +/-    2.55      15.4 +/-    2.55  0.070 / 0.060
G29     167.3          19.0               11.4 +/-    1.87      25.6 +/-    1.87  0.050 / 0.080
G32     206.5          17.1               14.5 +/-    2.77      34.4 +/-    2.77  0.030 / 0.060