PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-08:42:40
G10     254.5          30.7                6.0 +/-    1.41      10.4 +/-    1.41  0.110 / 0.160
G13     49.5           26.6                4.1 +/-    3.01       7.8 +/-    3.01  0.090 / 0.150
G15     76.4           55.6                5.2 +/-    1.17       6.1 +/-    1.17  0.100 / 0.090
G16     296.9          13.6                2.3 +/-    1.47       5.9 +/-    1.47  0.100 / 0.150
G20     276.5          53.8                5.2 +/-    3.13       6.3 +/-    3.13  0.110 / 0.600
G26     268.6          13.4                3.1 +/-    1.02       8.1 +/-    1.02  0.110 / 0.480
G29     162.5          39.9                6.9 +/-    0.91      10.0 +/-    0.91  0.030 / 0.040