PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-10:28:10
G10     292.5          50.6                4.1 +/-    0.68       5.1 +/-    0.68  0.040 / 0.040
G15     46.7           30.8                2.8 +/-    0.46       4.8 +/-    0.46  0.040 / 0.050
G20     343.7          65.4                3.1 +/-    0.66       3.4 +/-    0.66  0.070 / 0.090
G21     92.2           72.6                5.2 +/-    0.45       5.4 +/-    0.45  0.060 / 0.070
G24     99.4           24.8                3.9 +/-    0.58       7.7 +/-    0.58  0.040 / 0.040
G27     306.4          30.8                3.8 +/-    1.43       6.5 +/-    1.43  0.040 / 0.040
G32     209.6          24.6                4.2 +/-    1.79       8.4 +/-    1.79  0.050 / 0.080