PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-15:43:10
G02     71.9           22.7                6.5 +/-    1.20      13.3 +/-    1.20  0.030 / 0.030
G05     46.2           49.9                7.2 +/-    0.57       9.1 +/-    0.57  0.040 / 0.030
G12     179.7          16.0                7.9 +/-    1.38      19.2 +/-    1.38  0.150 / 0.210
G13     113.0          24.9               11.5 +/-    2.48      22.5 +/-    2.48  0.140 / 0.210
G15     154.2          25.9                9.9 +/-    1.55      18.9 +/-    1.55  0.170 / 0.430
G20     226.4          12.6                1.3 +/-   19.66       3.4 +/-   19.66  0.210 / 0.440
G21     284.5          26.2                7.9 +/-    1.83      15.1 +/-    1.83  0.090 / 0.090
G25     219.8          39.7                8.7 +/-    1.61      12.7 +/-    1.61  0.120 / 0.080
G26     317.1          11.9                2.9 +/-   24.25       7.7 +/-   24.25  0.090 / 0.220
G29     339.4          69.2                8.5 +/-    0.66       9.1 +/-    0.66  0.090 / 0.210