PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-22:57:40
G08     293.0          22.0                7.1 +/-    1.06      14.8 +/-    1.06  0.080 / 0.130
G10     18.9           62.5                9.8 +/-    0.49      10.9 +/-    0.49  0.090 / 0.090
G14     231.9          47.2               10.7 +/-    2.60      14.0 +/-    2.60  0.050 / 0.110
G18     318.0          13.2                6.0 +/-    2.52      15.6 +/-    2.52  0.050 / 0.100
G20     71.1           49.5                8.9 +/-    0.53      11.2 +/-    0.53  0.130 / 0.190
G21     148.7          37.9               10.5 +/-    0.84      15.8 +/-    0.84  0.170 / 0.190
G24     54.0           24.7                8.4 +/-    2.21      16.5 +/-    2.21  0.100 / 0.300
G27     251.0          30.3               11.0 +/-    1.22      19.1 +/-    1.22  0.120 / 0.350
G31     182.3          10.3               -6.1 +/-   12.07     -16.8 +/-   12.07  0.040 / 0.040
G32     253.1          70.9                8.8 +/-    0.64       9.3 +/-    0.64  0.040 / 0.030