PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/24-04:12:40
G01     307.9          33.8                4.4 +/-    1.50       7.1 +/-    1.50  0.080 / 0.130
G10     104.7          39.4                6.0 +/-    0.59       8.8 +/-    0.59  0.070 / 0.180
G11     283.7          27.3                4.4 +/-    1.18       8.2 +/-    1.18  0.030 / 0.040
G14     351.2          68.0                4.3 +/-    0.67       4.6 +/-    0.67  0.040 / 0.040
G18     278.5          50.2                8.8 +/-    1.08      11.0 +/-    1.08  0.080 / 0.180
G22     309.5          24.4                6.2 +/-    1.83      12.3 +/-    1.83  0.120 / 0.180
G25     84.7           15.8                3.6 +/-    1.65       8.9 +/-    1.65  0.070 / 0.060
G31     164.5          64.2                6.2 +/-    0.63       6.8 +/-    0.63  0.060 / 0.070
G32     33.1           54.5                3.3 +/-    1.05       3.9 +/-    1.05  0.050 / 0.030