PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/12-05:43:10
G10     296.6          52.1                0.1 +/-    0.60       0.1 +/-    0.60  0.070 / 0.080
G14     209.5          10.9               -5.9 +/-   22.46     -16.2 +/-   22.46  0.070 / 0.100
G15     46.1           28.0               -0.6 +/-    1.18      -1.2 +/-    1.18  0.040 / 0.040
G20     349.7          65.3               -2.1 +/-    1.06      -2.3 +/-    1.06  0.040 / 0.060
G21     93.6           73.9                0.9 +/-    0.57       1.0 +/-    0.57  0.040 / 0.050
G24     98.5           26.0                4.7 +/-    0.74       9.0 +/-    0.74  0.040 / 0.050
G27     303.2          32.9                1.8 +/-    1.63       3.0 +/-    1.63  0.200 / 0.000
G32     210.5          26.9                5.5 +/-    1.21      10.4 +/-    1.21  0.300 / 0.650