PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-05:57:50
G02     198.7          16.6                5.7 +/-    1.55      13.6 +/-    1.55  0.110 / 0.210
G06     171.8          47.1                7.0 +/-    0.87       9.2 +/-    0.87  0.090 / 0.150
G13     230.1          17.7                5.5 +/-    1.26      12.9 +/-    1.26  0.120 / 0.220
G17     15.8           64.2                5.2 +/-    0.49       5.7 +/-    0.49  0.180 / 0.340
G19     307.9          72.6                5.4 +/-    0.47       5.7 +/-    0.47  0.060 / 0.070
G24     313.8          23.8                3.4 +/-    2.05       6.8 +/-    2.05  0.050 / 0.070
G28     72.6           50.0                6.3 +/-    0.33       7.9 +/-    0.33  0.030 / 0.030
G30     157.6          24.0                7.1 +/-    2.17      14.2 +/-    2.17  0.040 / 0.030