PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-06:13:00
G03     235.4          67.9                5.0 +/-    0.63       5.4 +/-    0.63  0.040 / 0.070
G07     249.1          10.7               -2.1 +/-   20.71      -5.7 +/-   20.71  0.040 / 0.060
G09     303.9          18.9                4.4 +/-    1.24      10.0 +/-    1.24  0.040 / 0.060
G14     99.8           14.8                3.9 +/-    1.25       9.8 +/-    1.25  0.050 / 0.050
G16     122.3          59.2                6.4 +/-    0.65       7.3 +/-    0.65  0.030 / 0.040
G22     196.5          54.6                5.0 +/-    1.43       5.9 +/-    1.43  0.030 / 0.040
G23     323.1          53.1                6.4 +/-    0.84       7.8 +/-    0.84  0.080 / 0.360
G26     67.2           50.6                5.5 +/-    0.59       6.9 +/-    0.59  0.080 / 0.390
G31     53.5           17.0                2.2 +/-    0.95       5.2 +/-    0.95  0.040 / 0.060