PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-15:42:40
G10     257.9          34.1                7.5 +/-    2.59      12.1 +/-    2.59  0.500 / 0.290
G13     46.7           23.7                6.3 +/-    2.57      12.7 +/-    2.57  0.580 / 0.440
G15     68.4           52.7                7.5 +/-    0.59       9.1 +/-    0.59  0.180 / 0.940
G16     287.1          15.1                4.6 +/-    3.41      11.5 +/-    3.41  0.190 / 0.710
G20     285.1          57.7                8.8 +/-    1.69      10.2 +/-    1.69  0.050 / 0.050
G21     346.0          65.6                7.9 +/-    0.70       8.6 +/-    0.70  0.040 / 0.050
G26     261.2          12.2                5.4 +/-    7.58      14.3 +/-    7.58  0.040 / 0.050
G27     321.9          11.3               -8.5 +/-   26.92     -23.0 +/-   26.92  0.050 / 0.040
G29     165.9          42.4                9.6 +/-    0.74      13.4 +/-    0.74  0.150 / 0.110