PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-10:12:40
G10     292.8          50.7                4.6 +/-    0.58       5.8 +/-    0.58  0.040 / 0.050
G15     46.7           30.6                2.6 +/-    0.59       4.5 +/-    0.59  0.040 / 0.060
G20     344.1          65.4                3.0 +/-    0.59       3.2 +/-    0.59  0.060 / 0.090
G21     92.3           72.7                5.3 +/-    0.71       5.5 +/-    0.71  0.060 / 0.100
G24     99.4           24.9                3.9 +/-    0.99       7.6 +/-    0.99  0.030 / 0.040
G27     306.2          31.0                4.6 +/-    1.37       7.9 +/-    1.37  0.030 / 0.040
G32     209.7          24.6                4.4 +/-    1.83       8.7 +/-    1.83  0.060 / 0.070