PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-07:58:00
G02     199.5          19.8                6.6 +/-    1.42      14.6 +/-    1.42  0.090 / 0.270
G06     169.7          52.2               13.5 +/-    1.17      16.6 +/-    1.17  0.120 / 0.290
G13     227.0          14.7                7.1 +/-    1.62      17.7 +/-    1.62  0.090 / 0.230
G17     19.9           61.3                6.1 +/-    0.62       6.8 +/-    0.62  0.090 / 0.180
G19     323.4          72.0                6.7 +/-    0.64       7.1 +/-    0.64  0.030 / 0.030
G24     311.6          26.9                4.2 +/-    1.12       7.9 +/-    1.12  0.040 / 0.030
G28     79.0           47.5                8.1 +/-    0.70      10.5 +/-    0.70  0.050 / 0.070
G30     158.0          19.3                7.4 +/-    2.52      16.6 +/-    2.52  0.050 / 0.070