PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-10:42:40
G03     232.6          68.7                5.1 +/-    0.56       5.4 +/-    0.56  0.050 / 0.050
G07     248.3          11.3               -4.0 +/-   16.03     -11.0 +/-   16.03  0.060 / 0.060
G09     302.5          16.5                4.4 +/-    1.77      10.6 +/-    1.77  0.040 / 0.040
G14     98.9           14.7                3.6 +/-    1.94       9.1 +/-    1.94  0.040 / 0.040
G16     130.2          57.6                6.7 +/-    0.47       7.7 +/-    0.47  0.090 / 0.300
G22     193.9          54.8                4.7 +/-    0.84       5.6 +/-    0.84  0.130 / 0.230
G23     320.6          50.6                4.4 +/-    1.73       5.5 +/-    1.73  0.120 / 0.300
G26     71.6           52.5                4.6 +/-    1.33       5.7 +/-    1.33  0.150 / 0.350
G31     52.3           19.3                2.7 +/-    1.62       6.0 +/-    1.62  0.170 / 0.240