PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/08-11:58:00
G01     295.7          39.6                7.9 +/-    7.88      11.5 +/-    7.88  0.060 / 0.100
G03     311.3          18.0                5.8 +/-    1.04      13.4 +/-    1.04  0.060 / 0.070
G10     116.2          30.8                4.3 +/-    0.94       7.4 +/-    0.94  0.070 / 0.070
G11     268.4          26.7                6.8 +/-    1.91      12.8 +/-    1.91  0.070 / 0.080
G14     19.1           60.8                5.4 +/-    0.84       6.1 +/-    0.84  0.040 / 0.040
G18     255.4          49.5                7.7 +/-    3.51       9.7 +/-    3.51  0.040 / 0.040
G22     314.2          39.7                4.8 +/-    1.47       7.0 +/-    1.47  0.050 / 0.060
G25     70.2           17.9                3.8 +/-    1.18       8.8 +/-    1.18  0.050 / 0.060
G31     151.3          75.2                6.7 +/-    0.50       6.9 +/-    0.50  0.080 / 0.080
G32     41.9           49.4                3.2 +/-    1.51       4.1 +/-    1.51  0.070 / 0.090