PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-16:12:40
G05     50.8           14.2                9.1 +/-    1.21      23.1 +/-    1.21  0.130 / 0.210
G10     241.2          20.1               12.5 +/-    1.26      27.4 +/-    1.26  0.060 / 0.170
G13     65.0           33.7               10.9 +/-    0.54      17.7 +/-    0.54  0.130 / 0.640
G15     107.1          56.2               12.0 +/-    0.37      14.1 +/-    0.37  0.140 / 0.750
G16     306.4          15.1                5.2 +/-    3.39      12.9 +/-    3.39  0.060 / 0.070
G20     257.3          44.9               11.1 +/-    0.71      14.9 +/-    0.71  0.060 / 0.070
G21     321.2          51.8               12.3 +/-    1.33      15.2 +/-    1.33  0.030 / 0.060
G26     279.7          19.0                8.9 +/-    1.70      20.1 +/-    1.70  0.030 / 0.040
G29     159.0          64.7               12.7 +/-    0.58      13.8 +/-    0.58  0.050 / 0.130