PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/26-14:57:40
G10     257.9          34.2                8.6 +/-    2.84      13.8 +/-    2.84  0.520 / 0.370
G13     46.6           23.6                5.8 +/-    2.45      11.8 +/-    2.45  0.530 / 0.440
G15     67.9           52.3                7.7 +/-    0.95       9.4 +/-    0.95  0.050 / 0.040
G20     285.5          58.0                8.6 +/-    1.79      10.0 +/-    1.79  0.040 / 0.040
G21     346.6          65.7                8.3 +/-    0.60       9.1 +/-    0.60  0.050 / 0.050
G26     261.4          12.1                6.2 +/-    1.28      16.6 +/-    1.28  0.040 / 0.040
G27     321.9          11.4               -7.2 +/-   29.64     -19.4 +/-   29.64  0.090 / 0.160
G29     165.9          42.5               10.5 +/-    0.86      14.7 +/-    0.86  0.100 / 0.180